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Barua, Proma, Md Abid Hasan, Naima Tasnim, Md Tajul Islam, Jyoti Debi, and Rafi Ahsan. "Eco-friendly Entrepreneurship to Promote Plastic Alternatives." Notitia 8, no. 1 (December 17, 2022): 35–51. http://dx.doi.org/10.32676/n.8.1.1.
Повний текст джерелаАнотація:
Plastic production has become a global concern, including in Bangladesh. Among all types of plastic products, single-use plastic is considered treacherous and the most responsible for damaging the natural environment. To replace plastics on a daily usage basis, the entrepreneurs of Bangladesh have reiterated some initiatives to manufacture and promote plastic alternatives. This study aims to assess the market potential, existing challenges, and users’/customers’ perceptions of the plastic alternative industry in Bangladesh. Key informant interviews (KIIs) with structured questionnaires were conducted among 15 plastic alternative entrepreneurs and 30 customers through online platforms. The framework analysis method was used to analyse and interpret the collected data. Despite highlighting some challenges, plastic alternative entrepreneurs contribute significantly to replacing plastic products, and the market potential is quite promising for this industry. Moreover, this study portrays an efficacious inclination of consumer behaviours towards using plastic alternatives. By following the concept of the green economy, the entrepreneurs of the plastic alternative industry in Bangladesh are gradually able to replace plastic products and contribute toward building a sustainable city
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da Rocha, Cecília Gravina, Rodrigo Beck Saldanha, Mariana Tonini de Araújo, and Nilo Cesar Consoli. "Social and environmental assessments of Eco-friendly Pavement alternatives." Construction and Building Materials 325 (March 2022): 126736. http://dx.doi.org/10.1016/j.conbuildmat.2022.126736.
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Olives, Ana I., Víctor González-Ruiz, and M. Antonia Martín. "Sustainable and Eco-Friendly Alternatives for Liquid Chromatographic Analysis." ACS Sustainable Chemistry & Engineering 5, no. 7 (June 21, 2017): 5618–34. http://dx.doi.org/10.1021/acssuschemeng.7b01012.
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Ali, Syaukat, and Suwardo Suwardo. "Mempertahankan Bangunan Lama Ramah Lingkungan Di Kawasan Kampus Universitas Gadjah Mada Yogyakarta." Jurnal Nasional Teknologi Terapan (JNTT) 3, no. 1 (June 29, 2020): 25. http://dx.doi.org/10.22146/jntt.56615.
Повний текст джерелаАнотація:
This study aims to (1) analyze of the old buildings in the green building environment of Green Building Council Indonesia (GBCI); and (2) looking for best alternatives in managing the building by maintaining the old building in order to meet the criteria of environmentally friendly. The sample in this research is building at Civil Engineering Building Vokasi Universitas Gadjah Mada. Methods in eco-friendly building measurements use the criteria in greenship GBCI version 1.1 through observation. The best alternative model in eco-friendly building used best available and best achievable technology for buildings. The results showed that: (1) the building at the Department of Civil Engineering Vocational School of Gadjah Mada University meets the criteria of environmentally friendly in accordance with GBCI greenship of 29.63%; and (2) eco-friendly model of green building management on maintenance of buildings by saving energy, reducing waste and pollution, and using non-toxic materials.
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Avinash, Bhagyalakshmi, BM Shivalinga, S. Jyothikiran, and MN Padmini. "Going Green with Eco-friendly Dentist." Journal of Contemporary Dental Practice 14, no. 4 (2013): 766–69. http://dx.doi.org/10.5005/jp-journals-10024-1400.
Повний текст джерелаАнотація:
ABSTRACT Eco-friendly dentistry is currently transforming the medical and dental field to decrease its affect on our natural environment and reduce the amount of waste being produced. Eco-friendly dentistry uses a sustainable approach to encourage dentists to implement new strategies to try and reduce the energy being consumed and the large amount of waste being produced by the industry. Many reasonable, practical and easy alternatives do exist which would reduce the environmental footprint of a dental office were it to follow the ‘green’ recommendations. Dentist should take a leading role in the society by implementing ‘green’ initiatives to lessen their impact on the environment This article provides a series of ‘green’ recommendations that dentists around the world can implement to become a leading Stewards of the environment. How to cite this article Avinash B, Avinash BS, Shivalinga BM, Jyothikiran S, Padmini MN. Going Green with Eco-friendly Dentistry. J Contemp Dent Pract 2013;14(4):766-769.
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Kefale, Girmaw Yeshanbel, Zerihun Teshome Kebede, and Alehegn Atalay Birlie. "A Systematic Review on Potential Bio Leather Substitute for Natural Leather." Journal of Engineering 2023 (November 13, 2023): 1–11. http://dx.doi.org/10.1155/2023/1629174.
Повний текст джерелаАнотація:
Bio-based leather substitutes are an emerging class of ethically and environmentally responsible natural fabrics that are increasingly exceeding consumer aesthetic and functional expectations as an alternative to bovine and synthetic leathers. This literature review creates a clear and elaborative overview of conventional leather processing along with innovative potential bio-leather substitutes. Plant-driven, fungal-origin, bacterial-driven, and animal-origin bio-leathers are the current innovative research advances addressed in this literature. While traditional leather and its alternatives are sourced from animals and synthetic polymers, these renewable and sustainable leather substitutes are gained from bacterial cellulose, mycelium, plant cellulose, and animal cells using tissue engineering and other eco-friendly techniques. In conclusion, bio-based leather alternatives are eco-friendly, non-toxic, and sustainable and ultimately can substitute natural leather made by conventional processing.
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Fianda, Arif Yoga Ali, Intan Fandinny, Lely Novida Br Kacaribu, Noor A’fiana Desyani, Nuraulia Asyifa, and Pini Wijayanti. "Eco-friendly packaging: Preferensi dan Kesediaan Membayar Konsumen di Marketplaces." Jurnal Ilmu Lingkungan 20, no. 1 (January 1, 2021): 147–57. http://dx.doi.org/10.14710/jil.20.1.147-157.
Повний текст джерелаАнотація:
Peningkatan transaksi di marketplaces menyebabkan lonjakan jumlah pengiriman paket belanja online dan berimplikasi pada timbulan sampah yang didominasi oleh material plastik. Penerapan eco-friendly packaging di marketplaces sangat diperlukan dalam upaya mengurangi timbulan sampah dan dampak negatifnya terhadap lingkungan. Upaya ini pun akan mendukung pencapaian Sustainable Development Goals (SDGs) poin 12.5 yaitu mengurangi timbulan sampah secara substansial pada tahun 2030 melalui upaya pencegahan, pengurangan, daur ulang, dan penggunaan kembali. Penelitian bertujuan untuk 1) mengidentifikasi bentuk-bentuk eco-friendly packaging yang potensial diterapkan di marketplaces, 2) menganalisis preferensi konsumen terhadap penggunaan eco-friendly packaging, dan 3) merumuskan strategi penerapan eco-friendly packaging di marketplaces. Studi literatur, analisis deskriptif kualitatif, dan Contingent Choice Modelling (CCM) digunakan untuk menjawab tiga tujuan tersebut. Penelitian ini memformulasi sembilan alternatif eco-friendly packaging yang dapat diterapkan di marketplaces. Data diperoleh dari literatur dan survei secara blended terhadap 314 responden di Provinsi DKI Jakarta, Jawa Barat, dan Jawa Tengah. Studi literatur menunjukkan recyclable cardboard dan bioplastic dapat menjadi alternatif eco-friendly packaging yang paling relevan untuk marketplaces di Indonesia karena murah dan bahan terbaik. Analisis CCM mengungkap bahwa konsumen berminat terhadap eco-friendly packaging, mayoritas mengetahui manfaat penggunaannya dan bersedia untuk menggunakannya dengan total WTP maksimum sebesar Rp1.348,47 dan Rp4.237,80. Nilai Willingness to Pay (WTP) berpotensi meningkat jika konsumen diberikan edukasi manfaat eco-friendly packaging, dan berdomisili di DKI Jakarta. Lima strategi agar implementasi eco-friendly packaging di marketplaces dapat efektif, yaitu 1) menetapkan harga maksimum eco-friendly packaging sebesar Rp1.348,47, 2) memberikan edukasi manfaat eco-friendly packaging, 3) bila pilot project diperlukan, DKI Jakarta dapat menjadi provinsi percontohan, 4) memberikan voucher eco-friendly packaging, serta 5) mewujudkan kerja sama antara pemerintah, marketplaces, penjual, dan konsumen. Pemerintah dapat menetapkan regulasi yang meminta marketplaces untuk menyediakan opsi eco-friendly packaging pada fitur pemilihan kemasan serta pemberian edukasi dan promosi penggunaan eco-friendly packaging untuk menarik minat konsumen.ABSTRACTMarketplaces have increased the number of online-shopping package shipments and waste generation, which is dominated by plastic materials. Eco-friendly packaging is imperative to reduce waste generation including its negative environmental impacts. This effort is inline with Sustainable Development Goals (SDGs) point 12.5 i.e. by 2030, achieve the sustainable management and efficient use of natural resources. This study aims to 1) identify forms of eco-friendly packaging that to be applied in marketplaces, 2) analyze consumer preferences for eco-friendly packaging, and 3) formulate strategies for implementing eco-friendly packaging in marketplaces. Study literature, descriptive analysis and contingent choice modeling (CCM) were used to answer the objectives. CCM formulated nine alternatives of eco-friendly packagings which can be applied in marketplaces. Data were obtained from literature stud and blended surveys to 314 respondents living in DKI Jakarta, West Java and Central Java provinces. The results show that recyclable cardboard and bioplastic can be an alternative to eco-friendly packaging in marketplaces. CCM analysis reveals that consumers are interested in eco-friendly packaging, most of them are aware to its benefits and willing to use it with a maximum total WTP of IDR 1,348.47 and IDR 4,237.80. These WTPs could increase under two conditions i.e., if the benefits of eco-friendly packaging are described to consumers before they select the packaging and if the consumers are living in DKI Jakarta province. Five strategies for the implementation of eco-friendly packaging in marketplaces include 1) setting the maximum price for eco-friendly packaging at Rp1,348.47, 2) providing education on the benefits of eco-friendly packaging, 3) if a pilot project is needed, DKI Jakarta province can become a pilot province, 4) provide eco-friendly packaging vouchers, and 5) create cooperation between the government, marketplace, sellers, and consumers. The government could set a regulation which ask marketplaces to provide eco-friendly packaging options in the packaging selection features as well as educating and promoting the use of eco-friendly packaging to gain consumer’s interest.
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Kim, Do Hoon, and Kyung Tae Kim. "The Influence of Ethical Leadership on Environmental Organizational Culture and Green Performance." Table and Food Coordinate Society of Korea 18, no. 1 (March 30, 2023): 55–72. http://dx.doi.org/10.26433/tfck.2023.18.1.55.
Повний текст джерелаАнотація:
The study aims to suggest fundamental alternatives for future research on the eco-friendly performance of employees in food service companies by investigating the relationship between ethical leadership, environmental, organizational culture, and eco-friendly performance in food service companies. Ethical leadership in this study is operationalized as temperance, courage, fairness, and prudence, while environmental, organizational culture, and eco-friendly performance are conceptualized as single factors. The study was limited to employees of food service companies in the Seoul area, and a convenience sampling method was used to conduct an online (Google) survey. The hypothesis was tested through a sequence of statistical analyses, including frequency analysis, confirmatory factor analysis, discriminant validity, and structural equation model analysis. This study contributes to the existing literature by examining the influence of ethical leadership, environmental, organizational culture, and eco-friendly performance in food service companies. The study's results support existing theoretical research and provide practical implications for food service companies' operation plans and employees' eco-friendly performance.
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Valencia, Luis, Francisco Javier Enríquez-Medrano, Héctor Ricardo López González, Rishab Handa, Hened Saade Caballero, Ricardo Mendoza Carrizales, José Luis Olivares-Romero, and Ramón Enrique Díaz de León Gómez. "Bio-elastomers based on polyocimene synthesized via coordination polymerization using neodymium-based catalytic systems." RSC Advances 10, no. 60 (2020): 36539–45. http://dx.doi.org/10.1039/d0ra06583h.
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Regmi, Homan, and Yubak Dhoj. "Eco-Friendly Management Of Pulse Beetle." Journal of Agriculture and Environment 12 (February 5, 2013): 81–90. http://dx.doi.org/10.3126/aej.v12i0.7567.
Повний текст джерелаАнотація:
An experiment on eco-friendly approach of managing pulse beetle (Callosobruchus chinensis L.) in chickpea (Cicer arietinum L) was carried out at the Institute of Agriculture and Animal Science (IAAS), Rampur, Chitwan, Nepal from April to July, 2007. The experiment consisted of fourteen treatments laid out in two factors Completely Randomized Design (CRD) with three replications. Among them, storage structure (aluminium sheet bin and jute bag with plastic lining) was considered as one factor and pesticidal materials (Xanthoxylum armatum DC fruit dust@ 30gm kg-1; Acorus calamus L. rhizome dust@ 30 gm kg-1; Cinnamom camphora balls@ 1.5 gm kg-1; Sesamum indicum L. oil@ 5 ml kg-1; Azadirachta indica A. Juss. leaf dust@30gm kg-1; malathion dust@ 1gm kg-1 and control) was as another factor. Among six pesticidal materials tested, mortality of adult bruchids was obtained significantly higher in chickpea treated by C. camphora balls (25.17) followed by A. calamus rizome dust (24.83) and Sesamum oil (24.50). Grain damage and weight loss was nil in chickpea treated by these three materials. Among botanicals used, X. armatum fruit dust and A. indica leaf dust were found ineffective to cause adult mortality (20.33 and 19.67) and adult emergence (1549 and 2292) in chickpea. Malathion, initially was found somewhat effective in adult mortality (21.67) and adult emergence (30.33). However, it was less effective from F2 generation resulting maximum adult emergence (2127). While comparing two storage structures, jute bag with plastic lining was better in terms of maintaining lower moisture (14.64%), higher germination (65.14%) and lesser grain damage (39.95%). Thus, the jute bag with plastic lining was found as a better storage structure and botanical materials such as A. calamus rhizome dust, Sesamum oil and C. camphora balls have been found as effective safe alternatives for the management of C. chinensis L. in the storage of chickpea. The Journal of Agriculture and Environment Vol:12, Jun.2011, Page 81-90 DOI: http://dx.doi.org/10.3126/aej.v12i0.7567
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Etheredge, Coleman L. "Evaluation of Commercial Viability of Eco-friendly Alternatives to Traditional Floral Foam and Their Effects on Vase Life of Five Species of Cut Flowers." HortTechnology 33, no. 6 (December 2023): 550–53. http://dx.doi.org/10.21273/horttech05292-23.
Повний текст джерелаАнотація:
Increasingly, consumers are indicating that they would be willing to pay a premium for floral designs from a more sustainable floral provider. During the past several years, more environmentally sustainable floral foams and foam alternative media have been developed as an eco-friendly alternative to traditional floral foams comprised of phenol-formaldehyde plastics. Phenol-formaldehyde foam breaks down into microplastics, which ends up in landfills, soils, and waterways—including the planet’s oceans—if not disposed of properly. Eco-friendly foam alternatives are made from natural materials such as basalt minerals and coconut (Cocos nucifera) fiber (coir). The objective of this study was to investigate eco-friendly floral substrates for their commercial viability in the floral industry by analyzing the vase life of five of the most commonly use cut flower species in traditional vs. eco-friendly foam alternatives. Flowers selected for the experiment included ‘Freedom’ rose (Rosa hybrid), ‘Orange Queen’ alstroemeria (Alstroemeria hybrid), ‘Atlantis Yellow’ chrysanthemum (Dendranthema grandiflorum), ‘Pink Nelson’ carnation (Dianthus caryophyllus), and ‘Million Star’ baby’s breath (Gypsophila paniculate). The flowers were selected based on their importance to the floral industry with regard to their overall volume of use in floral arrangements and volume of production. The findings from this study indicate the traditional phenol-formaldehyde–based floral foam maintained vase life longer for a majority of the flowers tested when compared with basalt floral fiber medium and coir pouches. However, the basalt floral fiber medium maintained a vase life of more than 7 days for all flowers tested, indicating it is an adequate medium to use in retail floral design production. The coir pouch did not maintain the customer-expected vase life of 7 days for all but one of the cultivars tested. This indicates that coir pouches are generally not suitable for traditional everyday retail floral design use, but could potentially be acceptable for special occasion designs in which the consumer prefers or specifies a more sustainable approach and/or can accept a shorter vase life.
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Singh, Preeti Rajpal, Abhimanyu Gupta, Raghav Verma, Shivam Satija, and Ujjwal Alok. "One time plastics and eco friendly alternatives: A study of consumer behaviour." Asian Journal of Research in Social Sciences and Humanities 11, no. 6 (2021): 28–47. http://dx.doi.org/10.5958/2249-7315.2021.00017.4.
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Shanmugasundar, G., Kamaraj Logesh, Robert Čep, and Ranendra Roy. "Evaluating Eco-Friendly Refrigerant Alternatives for Cascade Refrigeration Systems: A Thermoeconomic Analysis." Processes 11, no. 6 (May 26, 2023): 1622. http://dx.doi.org/10.3390/pr11061622.
Повний текст джерелаАнотація:
A simple vapor-compression refrigeration system becomes ineffective and inefficient as it consumes a huge energy supply when operating between large temperature differences. Moreover, the recent Kigali amendment has raised a concern about phasing out some hydrofluorocarbon refrigerants due to their impact on the environment. In this paper, a numerical investigation is carried out to compare the performance of a cascade refrigeration system with two environmentally friendly refrigerant combinations, namely, R170–R404A and R41–R404A. Refrigerant R170, from the hydrocarbon category, and refrigerant R41, from the hydrofluorocarbon category, are separately chosen for the low-temperature circuit due to their similar thermophysical properties. On the other hand, refrigerant R404A is selected for the high-temperature circuit. An attempt is made to replace refrigerant R41 with refrigerant R170 as a possible alternative. The condenser temperature is kept constant at 40 °C, and the evaporator temperature is varied from −60 °C to −30 °C. The mathematical model developed for the cascade refrigeration system is solved using Engineering Equation Solver (EES). The effect of evaporator temperature on different performance parameters such as the COP, exergetic efficiency, and total plant cost rate is evaluated. The predicted results show that the thermoeconomic performance of the R170–R404A-based system is marginally lower compared to that of the R41–R404A-based system. The system using refrigerant pair R170–R404A has achieved only a 2.4% lower exergetic efficiency compared to the system using R41–R404A, with an increase in the annual plant cost rate of only USD 200. As the global warming potential (GWP) of R170 is less than that of R41, and R170 belongs to the hydrocarbon category, the use of the R170–R404A combination in a cascade refrigeration system can be recommended as an alternative to R41–R404A.
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Sulaeman, Budiawan, Nasaruddin Salam, Andi Erwin Eka Putra, and Lukmanul Hakim Arma. "Development of bioplastics from Tawaro's environmentally friendly sago starch (metroxylon)." Eastern-European Journal of Enterprise Technologies 5, no. 12 (125) (October 31, 2023): 6–16. http://dx.doi.org/10.15587/1729-4061.2023.289626.
Повний текст джерелаАнотація:
Sustainable bioplastics made from Tawaro sago starch are investigated in the study. This study is motivated by the global need to lessen the environmental impact of petroleum-based polymers and discover greener alternatives. Tawaro sago starch's amylose concentration, moisture levels, and ecologically friendly qualities are examined in the study. It carefully blends sago starch, glycerol, and an acetic acid and water activator solution to create a bioplastic. The study will examine these bioplastics' chemical composition, crystalline structure, mechanical properties, and reactions to UV radiation and microbial development. Researchers and developers are interested in sago starch, a staple meal in Palopo City, South Sulawesi Province, Indonesia, as a sustainable material. Sago starch is advantageous due to its renewable nature and eco-friendly properties. XRD, mechanical characteristics, and microbiological development in sago bioplastic are examined in the study, providing valuable insights. Tawaro sago bioplastic has no heavy metals, according to XRD. The mechanical characteristics have improved significantly, reaching 2,867 N/mm². A 48-hour UV radiation exposure within limitations changed the chemical chain, causing the improvement. Furthermore, bacteria grow swiftly on sago bioplastic. This research promotes sago-based bioplastics as an eco-friendly alternative to traditional plastics, promoting environmental sustainability. This research supports the global drive to create eco-friendly materials. Using Tawaro sago starch, creative solutions for a greener, more sustainable future are possible, with bioplastics offering a compelling alternative to existing plastics and lowering their environmental impact.
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Kim, Jin-Up, Oussama Hadadi, Hyunjoo Kim, and Jonghyeob Kim. "Development of A BIM-Based Maintenance Decision-Making Framework for the Optimization between Energy Efficiency and Investment Costs." Sustainability 10, no. 7 (July 16, 2018): 2480. http://dx.doi.org/10.3390/su10072480.
Повний текст джерелаАнотація:
Eco-friendly materials have been developed recently that have made it possible to significantly reduce the maintenance cost of buildings when they are appropriately used in renovation. Indeed, it became extremely important to consider the eco-friendly energy-saving effects on design alternatives during renovation. The present study proposes a framework for the optimum maintenance decision-making model for considering eco-friendly energy to help people interested in making decisions concerning renovation; it requires that both the environmental friendliness and economic feasibility of the target building be simultaneously considered. Several studies mainly cover the structural aspects for energy improvements based on innovation and technology. However, energy simulation in existing buildings needs some additional consideration regarding the economic analysis of energy savings and the recovery period of construction costs. A case study was conducted as a research method by utilizing the proposed framework, which aims to: (1) make energy simulations with different basic design assumptions; (2) perform the energy simulations through building information modeling (BIM) technology; and (3) analyze the economic feasibility of the alternatives. As a result, an alternative combination that can save the net maximum energy cost during the life cycle period and invest the lowest renovation costs has been recommended. Furthermore, effective guidelines were proposed on which items the building owner values, depending on his economic investment conditions in decision-making regarding the level of design, through a comprehensive review of the energy savings by design variable. It is expected that the research findings will be utilized in the decision-making process and for conducting further relevant research in future.
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Afrin, Habiba, Nazmul Huda, and Rouzbeh Abbasi. "An Overview of Eco-Friendly Alternatives as the Replacement of Cement in Concrete." IOP Conference Series: Materials Science and Engineering 1200, no. 1 (November 1, 2021): 012003. http://dx.doi.org/10.1088/1757-899x/1200/1/012003.
Повний текст джерелаАнотація:
Abstract Due to the global urbanization, economic development, and increasing rate of the world’s population, the construction of new buildings and infrastructure is increasing. The manufacture of concrete has become an essential part of our life all over the world. Emitting 5-8% of carbon dioxide (CO2), the production of concrete becomes the main obstacle to reach global climate action under the Paris 2050 Agreement. Reuse of waste or recycled waste materials in concrete as an environmentally friendly construction material has become highlighted as a feature of achieving sustainability, because of its potential environmental and economic benefits. The focus of this paper is to assess the application of alternative eco- friendly substitutes of cement for an innovative, economically attractive, and environmentally friendly alternative, and the transition towards of circular economy by reducing the number of natural resources consumed. Based on the existing studies, waste material (fly ash, bottom ash, coal ash, tire, steel slag, construction and demolition waste, glass, ceramic) incorporated with concrete accepted performance in the environment and economic perspective by reducing energy consumption, greenhouse gas emissions, costs, and other indicators.
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Lee, Sie Huey, Pui Shan Chow, and Chetan Kantilal Yagnik. "Developing Eco-Friendly Skin Care Formulations with Microemulsions of Essential Oil." Cosmetics 9, no. 2 (March 4, 2022): 30. http://dx.doi.org/10.3390/cosmetics9020030.
Повний текст джерелаАнотація:
With the rising public awareness of environmental issues, consumers are increasingly demanding skin care products that create less environmental impact but still provide the same or even greater efficacy. In the skin care arena, microemulsions have been receiving increased attention as the promising delivery technology of skin care actives. Essential oils such as peppermint oil, lavender oil and eucalyptus oil are purported to have excellent antioxidant and antimicrobial properties that could be used as the eco-friendly alternatives for synthetic antioxidants and preservatives in the skin care formulations. This work therefore seeks to develop eco-friendly skin care formulations based on microemulsions of essential oil. Peppermint oil, lavender oil and eucalyptus oil were used as the oil phase to formulate naringin-loaded microemulsions, which demonstrated similar or better antioxidant and antimicrobial properties compared to the synthetic ones. When formulated into gel form, naringin-loaded microemulsion-gel formulations showed enhanced stability and release profile over their unformulated counterpart. Hence, microemulsions of essential oil developed in this work conferred a 4-fold benefits to the skin care formulations: (1) improved release (membrane permeation) of skin care active, (2) improved stability of skin care active, (3) as an eco-friendly alternative to synthetic antioxidant, and (4) a self-preserving system.
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Wang, Tae, and Kim. "Development of a Green Building Materials Integrated Platform Based on Materials and Resources in G-SEED in South Korea." Sustainability 11, no. 23 (November 20, 2019): 6532. http://dx.doi.org/10.3390/su11236532.
Повний текст джерелаАнотація:
Various eco-friendly materials are used in the construction industry. South Korea employs the Green Standard for Energy and Environmental Design (G-SEED), a green building certification system, in which materials account for 11% of the evaluation criteria. However, data for each eco-friendly material are managed individually by different institutions, causing inefficiency, increased costs, and potentially greater environmental impacts associated with material and resource selection. Hence, this study develops a green building materials integrated platform (GIP) that collates information on eco-friendly materials across different industries in South Korea, to support the G-SEED evaluations. Guidelines and standards related to each evaluation item were analyzed and used to compile a green building materials database. The database includes 12,636 data points representing product prices and environmental impact data. This database was used to develop the four-level Excel-based GIP. Case studies were conducted on actual G-SEED buildings to analyze the economic efficiency and environmental performance achieved by using alternative materials to those recommended by the GIP. Case 1 exhibits improvements in economic efficiency and environmental performance of 17% and 10%, respectively, whereas Case 2 exhibits improvements of 8% and 21%, respectively. Thus, both case studies boast superior combinations of green building materials compared to existing alternatives.
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Hazmi, Muhammad, Dyah Ayu Suryaningrum, Iskandar Umarie, Oktarina, and Muh Aniar Hari Swasono. "Emerging Trends and Future Directions in Organic Agriculture and Environmentally-friendly Farming Practices: A Bibliometric Analysis." West Science Interdisciplinary Studies 1, no. 07 (July 31, 2023): 416–25. http://dx.doi.org/10.58812/wsis.v1i07.124.
Повний текст джерелаАнотація:
Organic farming and eco-friendly agricultural practices have gained significant attention as sustainable alternatives to conventional agriculture. This research method employs bibliometric and keyword analysis to explore the field’s emerging trends and future directions. The co-occurrence analysis of keywords reveals prominent research themes, including organic certification, soil health, climate change resilience, agroecological approaches, biodiversity conservation, and integrated pest management. The analysis also identifies influential authors, collaboration networks, and prominent publication venues that disseminate research in sustainable agriculture. The keyword analysis highlights the literature’s focus on adoption, agricultural products, consumer behavior, and sustainable agricultural development. This research provides valuable insights for advancing knowledge, policy development, and practical applications in organic farming and eco-friendly agrarian practices to foster sustainable and environmentally friendly agricultural systems.
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A., Saad, A. S., Elsayed H. M. Tayeb, and Houria L. Metraw. "Botanical oils as eco-friendly alternatives for controlling the rice weevil Sitophilus oryzae." Alexandria Science Exchange Journal 38, no. 6 (December 31, 2017): 921–32. http://dx.doi.org/10.21608/asejaiqjsae.2017.4830.
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Alagawany, Mahmoud, Mohamed E. Abd El-Hack, Mayada R. Farag, Swati Sachan, Kumaragurubaran Karthik, and Kuldeep Dhama. "The use of probiotics as eco-friendly alternatives for antibiotics in poultry nutrition." Environmental Science and Pollution Research 25, no. 11 (March 12, 2018): 10611–18. http://dx.doi.org/10.1007/s11356-018-1687-x.
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Syafri, Edi, Vinod Ayyappan, Vijay Raghunathan, Sanjay Mavinkere Rangappa, and Suchart Siengchin. "Editor's Corner: Green Materials - The Advancements and Applications of Natural Fibers." Journal of Fibers and Polymer Composites 2, no. 2 (October 30, 2023): 168–73. http://dx.doi.org/10.55043/jfpc.v2i2.130.
Повний текст джерелаАнотація:
After the industrial revolution, our world started shifting its focus towards sustainability and eco-friendly green materials to replace their synthetic counterparts. Cellulose fibers have played a significant role in human history, providing clothing and various products for many centuries. However, as technology advanced, the use of natural fibers became limited and minimized by synthetic materials. Growing environmental awareness has compelled industries to rethink their strategies, directing their attention toward sustainable and eco-friendly alternatives. In this context, natural cellulose fibers have gained a significant interest due to their eco-friendliness. These fibers can be derived from various sources, including trees, plants, and grasses. Cellulose fibers obtained from plants possess remarkable properties such as low density, wide availability, considerable mechanical strength, good thermal insulation, affordability, ease of processing, and non-toxicity
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Carrascal-Hernández, Domingo Cesar, Edwin Flórez-López, Yeimmy Peralta-Ruiz, Clemencia Chaves-López, and Carlos David Grande-Tovar. "Eco-Friendly Biocontrol Strategies of Alternaria Phytopathogen Fungus: A Focus on Gene-Editing Techniques." Agriculture 12, no. 10 (October 19, 2022): 1722. http://dx.doi.org/10.3390/agriculture12101722.
Повний текст джерелаАнотація:
Agricultural food production is greatly affected by postharvest diseases worldwide, such as the diseases caused by Alternaria species, which are very common in several crops. The management of fungal infections around the world largely relies on fungicides. In this context, the control of diseases such as early blight caused by Alternaria solani in potatoes and Alternaria linariae in tomatoes has mainly consisted of the application of fungicides, with negative impacts on the environment and human health. Recently, the application of ‘omics’ and gene editing through the CRISPR/Cas9 system and RNAi technologies demonstrated their effectiveness as emerging greener alternatives for controlling phytopathogenic fungi. Additionally, coatings based on essential oils and microbial antagonists suggest alternative strategies for controlling phytopathogenic fungi that are respectful of the environment. This review presents an exhaustive literature review focused on using greener alternatives to the traditional management of postharvest diseases associated with Alternaria species, such as inhibiting pathogenicity from their phytopathogenic genes using gene editing based on CRISPR/Cas9 and RNAi technologies. The review also presents coatings based on essential oils and microbial antagonists as greener strategies for Alternaria control. Biological processes of maximum efficiency can replace chemical methods for controlling phytopathogenic fungi, preserving healthy conditions in agricultural lands and ecosystems. This is possible with the rise of ‘omic’ technologies, the CRISPR/Cas9 tool, and RNAi technology. Greener control methods of Alternaria fungi can increase agricultural production, improving the economy and global health.
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Rahmawati, Novia, Pudji Astuti, Farhanah Rofifah, and Anik Nur Habyba. "Affective Design of Food Delivery Order Packaging." International Journal of Engineering and Advanced Technology 10, no. 2 (December 30, 2020): 6–11. http://dx.doi.org/10.35940/ijeat.b1961.1210220.
Повний текст джерелаАнотація:
Advances in technology encourage Small and Medium Enterprises (UKM) owners to develop their businesses by making online purchases, one of which is Pak Dede's Soto Mie inn. An attractive packaging design can encourage positive perceptions from customers when making online purchases. Therefore, the aim of this research is to design Pak Dede's Soto Mie packaging that involves feelings, emotions, or consumer orientation using the Kansei engineering method. The first stage of the Kansei engineering method in this study is the collection of Kansei words by distributing questionnaires to Pak Dede's Soto Mie customers. The second stage is grouping the Kansei words using the Principal Component Analysis (PCA). The third stage is the formulation of Pak Dede's Soto Mie packaging design concept that will be designed using the Association Rule Mining (ARM). The fourth stage is designing an alternative packaging design for Pak Dede's Soto Mie. Then the last stage is the selection of design alternatives. Based on the results of the Association Rule Mining (ARM), there are two design concepts that are considered, namely simple and eco-friendly. In the selection of design alternatives, the eco-friendly design on the packaging of Pak Dede's Soto Mie is preferred by customers.
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Al-Awami MUHAMMAD, Muhammad. "DEVELOPMENT OF GOLD AND SILVER PLATING SYSTEMS FOR METAL PRODUCTS AS ECO-FRIENDLY ALTERNATIVES." International Journal of Artificial Intelligence and Emerging Technology 1, no. 1 (June 1, 2018): 8–13. http://dx.doi.org/10.21608/ijaiet.2018.181416.
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Santiago-Santiago, Maricela, Gabriela Sánchez-Viveros, Luis Hernández-Adame, Cesar Josué Chiquito-Contreras, Alejandro Salinas-Castro, Roberto Gregorio Chiquito-Contreras, and Luis Guillermo Hernández-Montiel. "Essential Oils and Antagonistic Microorganisms as Eco-Friendly Alternatives for Coffee Leaf Rust Control." Plants 12, no. 20 (October 10, 2023): 3519. http://dx.doi.org/10.3390/plants12203519.
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Coffee leaf rust (CLR) is caused by the biotrophic fungus Hemileia vastatrix Berk. & Br., a disease of economic importance, reducing coffee yield up to 60%. Currently, CLR epidemics have negatively impacted food security. Therefore, the objective of the present research study is to show a current framework of this disease and its effects on diverse areas, as well as the biological systems used for its control, mode of action, and effectiveness. The use of essential plant oils and antagonistic microorganisms to H. vastatrix are highlighted. Terpenes, terpenoids, and aromatic compounds are the main constituents of these oils, which alter the cell wall and membrane composition and modify the basic cell functions. Beneficial microorganisms inhibit urediniospore germination and reduce disease incidence and severity. The antagonistic microorganisms and essential oils of some aromatic plants have great potential in agriculture. These biological systems may have more than one mechanism of action, which reduces the possibility of the emergence of resistant strains of H. vastatrix.
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Grabowski, Thais Theomaris, Juliana Martins Teixeira de Abreu Pietrobelli, and Ramiro José Espinheira Martins. "Eco-Friendly Cement Mortar with Wastewater Treatment Plant Sludge Upcycling." Clean Technologies 5, no. 3 (August 2, 2023): 961–72. http://dx.doi.org/10.3390/cleantechnol5030048.
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This study aimed to investigate the technical feasibility of replacing cement in mortar production with sludge generated in wastewater treatment plants (WWTPs), prepared using different treatments. The sludge used in the experiments was processed using four different methods to investigate the effect of processing on the mechanical strength of the specimens. The sludge was then mixed with mortar in different proportions, and samples were produced for flexural and compressive strength tests. The results showed that specimens with 7% sludge from the burned treatment exhibited the highest resistance, surpassing the standard. Specimens with sludge from the drying treatments showed similar results. This study found that using sludge in mortar production could lead to energy savings compared to traditional cement production methods. Moreover, the incorporation of sludge resulted in mortars that met the specifications of the EN 998-1:2018 standard, thereby indicating their technical feasibility. Therefore, this study demonstrated the potential of using sludge from WWTPs as a substitute for cement in mortar production, which could contribute to the reduction in the environmental impacts caused by civil construction and the development of sustainable alternatives for the disposal of sludge generated in WWTPs.
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Youn, Ilro, Seongtaek Bang, Yoseok Jeong, and Sewook Oh. "Evaluating the Strength and Durability of Eco-Friendly Stabilized Soil Bricks Incorporating Wood Chips." Applied Sciences 13, no. 19 (October 2, 2023): 10929. http://dx.doi.org/10.3390/app131910929.
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The production of commercially used cement-based bricks has significant environmental implications, necessitating the development of robust, environmentally friendly alternatives. This study assesses the strength and durability of soil bricks by utilizing an eco-friendly stabilizer, which includes lime and natural-fiber-derived staple fibers. Soil bricks, each sized 50 mm × 100 mm and featuring varying proportions of stabilizer and wood chips, were subjected to unconfined compression and bending strength tests, permeability assessments, steel ball/golf ball (SB/GB) evaluations, and wetting–drying tests. The results demonstrated that higher stabilizer ratios and lower wood chip ratios led to enhanced unconfined compressive strength. Additionally, repeated wetting–drying cycles reduced the strength by up to 63%, while the relative dynamic modulus of elasticity decreased by as much as 45% with increasing wetting–drying cycles. Notably, the eco-friendly stabilizer significantly improved soil shear strength, ultimately enhancing the durability of the soil bricks.
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Albarbary, Mahmoud M., Ahmed M. Tahwia, and Islam Elmasoudi. "Integration between Sustainability and Value Engineering in the Production of Eco-Friendly Concrete." Sustainability 15, no. 4 (February 15, 2023): 3565. http://dx.doi.org/10.3390/su15043565.
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The global concrete and construction industry’s growth has led to a shift in priorities, with a greater emphasis placed on sustainability. Hence, with technological advances, the concrete industry seeks additional cementitious materials to produce value-added products. By emphasizing the financial, ecological, and technological benefits of using fly ash as a partial cement replacement, the study constructed a framework which integrates the economic, environmental, and social pillars of sustainability through value engineering. Experimental results from 42 previous studies are analyzed and presented to underline the unique characteristics of fly ash concrete alternatives across five criteria (replacement, strength gain, compressive strength, slump, and permeability), showing how they differ from conventional concrete, and how they can be used to implement sustainable practices with positive financial outcomes. This study showed that the alternatives’ value gradually increases up to two times at 50% cement replacement. On the other hand, while the construction cost gradually increased to a peak of 19.69%, the life cycle cost went down by 41.45% at the same percentage. Thus, customers can emphasize the superiority of eco-friendly concrete while also highlighting the economic benefits, making it a more competitive option for them and expanding its market.
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Shanmugam, Loganathan. "HIGHWAY ALIGNMENT ALONG THE CORRIDORS USING REMOTE SENSING AND GEOGRAPHICAL INFORMATION SYSTEM - PERUNDURAI TO PALANI, TAMILNADU, INDIA." JOURNAL OF ADVANCES IN CHEMISTRY 13, no. 10 (February 27, 2017): 6570–80. http://dx.doi.org/10.24297/jac.v13i10.46.
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Best route location and highway alignment selection process is a complicated one due to many variables it must be considered. Geographic Information Systems (GIS) can easily represent such variables, including topography, environment, built-up areas and geology variables. It is to identify the short route for the vehicles travelling from Perundurai to Palani and to diminish the time journey for the vehicles with possible routes for laying eco-friendly highway. This study took compensation of GIS capabilities that present the ability to overlay maps, merge them and execute spatial analysis on different layers of information in either two or three dimensions. GIS model for route location and highway alignment developed and worn to create alternate highway route applications. After the alternatives are preliminarily deliberated using ArcGIS9.3, the imitation is used to analyze, evaluate and to select the best alternative with least impacts on environment and economy. The selected highway is supposed to connect three districts viz. Erode, Tirupur and Dindugal. In final stages of examination and assessment, the replica envelops the high capabilities in analyzing the impacts of every alternatives, with buffering and spatial relations.  Three different routes are identified as left, middle and right routes. Right route is identified as best route which fulfils least cost with eco-friendly environment, material reduction on number of bridges and culverts.
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Mariotti, Nicole, Matteo Bonomo, Lucia Fagiolari, Nadia Barbero, Claudio Gerbaldi, Federico Bella, and Claudia Barolo. "Recent advances in eco-friendly and cost-effective materials towards sustainable dye-sensitized solar cells." Green Chemistry 22, no. 21 (2020): 7168–218. http://dx.doi.org/10.1039/d0gc01148g.
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Zanotto, Federica, Alice Sirico, Sebastiano Merchiori, Francesca Vecchi, Andrea Balbo, Patrizia Bernardi, Beatrice Belletti, Alessio Malcevschi, Vincenzo Grassi, and Cecilia Monticelli. "Durability of Reinforced Concrete Containing Biochar and Recycled Polymers." Key Engineering Materials 919 (May 11, 2022): 188–96. http://dx.doi.org/10.4028/p-mwn300.
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In the field of sustainable construction materials, the production of eco-friendly concretes, obtained by the addition of waste products such as biochar and recycled polymer particles, offers interesting alternatives to traditional materials. Biochar is a carbonaceous solid by-product obtained from the thermo-chemical conversion of biomass and its addition into concrete admixtures can offer an eco-friendly carbon sequestration solution, capable to slightly improve concrete properties. Recycled polymer materials can be used to partially replace conventional aggregates with the aim of obtaining lighter concretes that help to face the disposal challenge presented by this non-degradable plastic waste. However, the influence of these waste additions on the corrosion behavior of steel rebars embedded in these “eco-concretes” is still unexplored. Within this context, this work presents some results of an extensive study dealing with the concrete mechanical and physical properties and the rebar corrosion resistance during cyclic exposures to chloride-containing solutions.
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Gulati, Shikha, Arikta Baul, Anoushka Amar, Rachit Wadhwa, Sanjay Kumar, and Rajender S. Varma. "Eco-Friendly and Sustainable Pathways to Photoluminescent Carbon Quantum Dots (CQDs)." Nanomaterials 13, no. 3 (January 30, 2023): 554. http://dx.doi.org/10.3390/nano13030554.
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Carbon quantum dots (CQDs), a new family of photoluminescent 0D NPs, have recently received a lot of attention. They have enormous future potential due to their unique properties, which include low toxicity, high conductivity, and biocompatibility and accordingly can be used as a feasible replacement for conventional materials deployed in various optoelectronic, biomedical, and energy applications. The most recent trends and advancements in the synthesizing and setup of photoluminescent CQDs using environmentally friendly methods are thoroughly discussed in this review. The eco-friendly synthetic processes are emphasized, with a focus on biomass-derived precursors. Modification possibilities for creating newer physicochemical properties among different CQDs are also presented, along with a brief conceptual overview. The extensive amount of writings on them found in the literature explains their exceptional competence in a variety of fields, making these nanomaterials promising alternatives for real-world applications. Furthermore, the benefits, drawbacks, and opportunities for CQDs are discussed, with an emphasis on their future prospects in this emerging research field.
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Torres, Giovanni Barrera, Carlos T. Hiranobe, Erivaldo Antonio da Silva, Guilherme P. Cardim, Henrique P. Cardim, Flavio C. Cabrera, Elizabeth R. Lozada, et al. "Eco-Friendly Natural Rubber–Jute Composites for the Footwear Industry." Polymers 15, no. 20 (October 21, 2023): 4183. http://dx.doi.org/10.3390/polym15204183.
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Nowadays, biocomposites represent a new generation of materials that are environmentally friendly, cost-effective, low-density, and not derived from petroleum. They have been widely used to protect the environment and generate new alternatives in the polymer industry. In this study, we incorporated untreated jute fibers (UJFs) and alkaline-treated jute fibers (TJFs) at 1–5 and 10 phr into TSR 10 natural rubber as reinforcement fillers. These composites were produced to be used in countersole shoes manufacturing. Untreated fibers were compared to those treated with 10% sodium hydroxide. The alkali treatment allowed the incorporation of fibers without compromising their mechanical properties. The TJF samples exhibited 8% less hardness, 70% more tensile strength, and the same flexibility compared to their pure rubber counterparts. Thanks to their properties and ergonomic appearance, the composites obtained here can be useful in many applications: construction materials (sound insulating boards, and flooring materials), the automotive industry (interior moldings), the footwear industry (shoe soles), and anti-static moldings. These new compounds can be employed in innovative processes to reduce their carbon footprint and negative impact on our planet. Using the Lorenz–Park equation, the loaded composites examined in this study exhibited values above 0.7, which means a competitive load–rubber interaction. Scanning electron microscopy (SEM) was used to investigate the morphology of the composites in detail.
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Gunjal, Samir S., and Nagesh K. Chougule. "Development of Eco-Friendly Composite Brake Pad Lining Material by Using Agave Fiber." IOP Conference Series: Materials Science and Engineering 1248, no. 1 (July 1, 2022): 012103. http://dx.doi.org/10.1088/1757-899x/1248/1/012103.
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Abstract A brake is the most critical safety and important performance component in vehicles. Brake pads were formerly manufactured mainly using asbestos as the friction material (30-70%). Thermally stable temperature for asbestos is up to the 500°C. Asbestos is strong, flexible & available at a reasonable cost but is carcinogenic in nature. This causes serious health problems like lung cancer hence it got banned in India on 21 January 2011. Recently some alternatives are used like low-metallic, semi- metallic, non-asbestos organic & ceramic brake pads but none of these are as good as asbestos in function. So, the purpose of the study is come with a new eco-friendly material. As per the study, it is found that Agave fiber is the right alternative material to asbestos since agave fiber has high strength, is readily available & economical. Further experimentation was done by performing various tests like hardness test, oil socking test, water socking test, Flame resistance test, compression test, pin on disc, and specific gravity to prove that brake Pads manufactured using Agave fiber as the brake material passes through variable testing as per required Standard & the confirms with the standard reference. And the outcomes of this research show that Agave powder can be used supplant for asbestos in brake pad liner material manufacturing.
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Rovisco, Ana, Maria Morais, Rita Branquinho, Elvira Fortunato, Rodrigo Martins, and Pedro Barquinha. "Microwave-Assisted Synthesis of Zn2SnO4 Nanostructures for Photodegradation of Rhodamine B under UV and Sunlight." Nanomaterials 12, no. 12 (June 20, 2022): 2119. http://dx.doi.org/10.3390/nano12122119.
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The contamination of water resources by pollutants resulting from human activities represents a major concern nowadays. One promising alternative to solve this problem is the photocatalytic process, which has demonstrated very promising and efficient results. Oxide nanostructures are interesting alternatives for these applications since they present wide band gaps and high surface areas. Among the photocatalytic oxide nanostructures, zinc tin oxide (ZTO) presents itself as an eco-friendly alternative since its composition includes abundant and non-toxic zinc and tin, instead of critical elements. Moreover, ZTO nanostructures have a multiplicity of structures and morphologies possible to be obtained through low-cost solution-based syntheses. In this context, the current work presents an optimization of ZTO nanostructures (polyhedrons, nanoplates, and nanoparticles) obtained by microwave irradiation-assisted hydrothermal synthesis, toward photocatalytic applications. The nanostructures’ photocatalytic activity in the degradation of rhodamine B under both ultraviolet (UV) irradiation and natural sunlight was evaluated. Among the various morphologies, ZTO nanoparticles revealed the best performance, with degradation > 90% being achieved in 60 min under UV irradiation and in 90 min under natural sunlight. The eco-friendly production process and the demonstrated ability of these nanostructures to be used in various water decontamination processes reinforces their sustainability and the role they can play in a circular economy.
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Han, Heesup, Linda Lho, Amr Al-Ansi, Hyungseo Ryu, Jinah Park, and Wansoo Kim. "Factors Triggering Customer Willingness to Travel on Environmentally Responsible Electric Airplanes." Sustainability 11, no. 7 (April 5, 2019): 2035. http://dx.doi.org/10.3390/su11072035.
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Utilizing a quantitative methodological approach, the present study presented and investigated an integrated model embracing environmental corporate social responsibility, image, emotional attachment, attitude, and moral norms in order to explicate airline patrons’ intention formation for adopting eco-friendly electric airplanes. Our findings revealed that the proposed associations among research constructs were all significant, and that image, emotional attachment, attitude, and moral norms significantly mediated the effect of environmental corporate social responsibility on intention. In addition, the salient role of image of electric airplanes in building intention was uncovered. Despite the importance of greening airline products in the aviation industry, electric airplanes are a topic that has barely been explored. The results of this study can help airline practitioners and researchers to understand consumer readiness and willingness to adopt such eco-friendly alternatives to conventional air-flights. Implications are discussed.
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Pandya, Anokhi, and Carolina Quintero Rodriguez. "A framework to investigate the potential of brewery wastes’ utilization in eco-friendly leather production: A consumer study." International Journal of Sustainable Fashion & Textiles 2, no. 2 (October 1, 2023): 227–50. http://dx.doi.org/10.1386/sft_00031_1.
Повний текст джерелаАнотація:
The extensive utilization and increasing demand for leather and leather alternatives within the fashion industry has raised concerns surrounding ecosystems. To mitigate the environmental impact and excessive reliance on fossil fuels, a lot of effort has gone into substituting synthetic polymers with organic and biodegradable materials. As biotechnological revolution continues to better the leather industry, it is imperative to explore the potential of brewery waste as starting materials to respond to the environmental challenges and meet this demand backed by a framework for its bio-fabrication. An online survey was conducted to explore Australian consumers’ values, and experiences associated with leather and leather alternatives, and to identify their perception and expectations towards brewery waste-based leather as the determinants of its need and prospective fabrication based on the framework. The results indicate that consumers have high environmental awareness, expectations, and value inclination towards the credibility of brewery waste-based leather alternative based on their existing leather preferences. The study is the first to investigate the potentiality of brewery waste for its utilization in eco-friendly leather bio-fabrication in accordance with quantitative consumer research which collectively offers a valuable contribution to the literature by modifying the value-belief-norm (VBN) theory, theory of environmentalism, and by extending existing research on environmental innovation and product values to a preliminary framework for future lines of research within this field. The devised framework and the findings of this study can assist in the prospective development of an eco-friendly leather alternative derived from brewery waste. Overall, this work theoretically demonstrates that brewery waste could bridge the gap in the market regarding the need for a greener supply chain as well as a source of material that facilitates the production of an improved alternative to leather in line with the changing demands of the market and the increase in environmental degradation.
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Kamarulzaman, N. H., H. Salleh, A. N. Dagang, M. S. M. Ghazali, N. Ishak, M. Abdullah, and S. M. Muda. "Eco-Friendly Hybrid Solar Cells using Eugenia Claviflora as New Alternatives Sensitizer to TiO2/PEDOT:PSS." IOP Conference Series: Materials Science and Engineering 1176, no. 1 (August 1, 2021): 012047. http://dx.doi.org/10.1088/1757-899x/1176/1/012047.
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Abstract Studies on HSCs have been focussing on exploration of natural dyes obtained from Eugenia claviflora (EC). This work mainly aimed to enhance device efficiencies related to new dye sensitizer particularly Eugenia claviflora. These samples were then characterised based on morphology, thickness, optical absorption, electrical conductivity and solar cell’s performance in term of efficiency, voltage and current using various techniques including FESEM, EDS, profilometer, UV-Vis, FTIR and autolab with irradiance of 100 mW/m2. TiO2/PEDOT:PSS/ EC obtained an open – circuit voltage (Voc) of 0.43 V with fill factor of 0.2 leading to an efficiency of 1.33%. The absorption of TiO2/PEDOT:PSS/EC was located at 550 nm (between 450 nm to 755 nm) which exhibited an intense broad band in visible light. Hence, fabrication of HSCs was successful thus improving its’ performance.
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Kamarulzaman, N. H., H. Salleh, A. N. Dagang, M. S. M. Ghazali, N. Ishak, M. Abdullah, and S. M. Muda. "Eco-Friendly Hybrid Solar Cells using Eugenia Claviflora as New Alternatives Sensitizer to TiO2/PEDOT:PSS." IOP Conference Series: Materials Science and Engineering 1176, no. 1 (August 1, 2021): 012047. http://dx.doi.org/10.1088/1757-899x/1176/1/012047.
Повний текст джерелаАнотація:
Abstract Studies on HSCs have been focussing on exploration of natural dyes obtained from Eugenia claviflora (EC). This work mainly aimed to enhance device efficiencies related to new dye sensitizer particularly Eugenia claviflora. These samples were then characterised based on morphology, thickness, optical absorption, electrical conductivity and solar cell’s performance in term of efficiency, voltage and current using various techniques including FESEM, EDS, profilometer, UV-Vis, FTIR and autolab with irradiance of 100 mW/m2. TiO2/PEDOT:PSS/ EC obtained an open – circuit voltage (Voc) of 0.43 V with fill factor of 0.2 leading to an efficiency of 1.33%. The absorption of TiO2/PEDOT:PSS/EC was located at 550 nm (between 450 nm to 755 nm) which exhibited an intense broad band in visible light. Hence, fabrication of HSCs was successful thus improving its’ performance.
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Kim, Hyeon-Soo, Ik Kim, Wan-hee Yang, Soo-Young Moon, and Ji-Young Lee. "Analyzing the Basic Properties and Environmental Footprint Reduction Effects of Highly Sulfated Calcium Silicate Cement." Sustainability 13, no. 14 (July 6, 2021): 7540. http://dx.doi.org/10.3390/su13147540.
Повний текст джерелаАнотація:
In South Korea, efforts to reduce carbon dioxide emissions and environmental impacts from the perspective of life cycle assessment (LCA) are important because of the implementation of zero-energy building certification for public buildings and the promotion of net-zero policy. Therefore, it is critical to develop cement alternatives with low embodied energy and less environmental impact. In this study, the applicability of “highly sulfated calcium silicate cement (HSCSC),” an eco-friendly binder developed by our research team, was investigated. Its basic properties and environmental footprint reduction effects were examined in comparison with ordinary Portland cement (OPC) and Portland blast furnace slag cement (PBSC). The environmental impacts of the HSCSC were analyzed using the LCA method. The results confirmed that HSCSC can be considered an excellent alternative to conventional OPC or PBSC in certain areas as an eco-friendly binder that can reduce carbon dioxide emissions and environmental impacts. Moreover, compared to OPC and PBSC, the probability of HSCSC affecting the human body is extremely low. The results of this study may contribute to the development and practical use of cements that minimize climate impacts, as well as improve the efficacy of future research on embodied energy saving.
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Rani B., Yuva, and Sathish Kumar T. "Biopotential of microalgal extracts as a mosquito larvicide: An eco-friendly approach to control Aedes aegypti." Biomedicine 43, no. 1 (February 26, 2023): 151–56. http://dx.doi.org/10.51248/.v43i1.1906.
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Introduction and Aim: The use of chemical pesticides has raised concerns about their safety and toxicological effects on the environment, people, and other species. Therefore, there is a demand for natural alternatives that are eco- friendly, biodegradable, and target specific. The purpose of this study was to test the larvicidal activity of three microalgae namely, Chlorella sp., Chlorococcum sp., and Scenedesmus sp., against Aedes aegypti. Materials and Methods: The microalgal extracts were prepared with different concentrations after suitable pretreatment and extraction process. The effect of extracts was tested on Aedes aegypti larvae exposed to different concentrations after 24 and 48 hours. Results: The ethanol extract of the Scenedesmus sp. showed the highest larvicidal activity. Whereas the larvicidal activity of methanol extract of the Chlorococcum sp. was the lowest. The phytochemical screening of algal extracts revealed the presence of phytochemicals present in the microalgal extracts namely flavonoids, terpenoids, alkaloids, quinones, saponins, and cellulose Conclusion: This study demonstrated the biopotential of microalgae extracts for the control of the dengue vector, Aedes aegypti. Thus, the use of microalgae can be considered as an alternative to the conventional insecticides as it is more sustainable, non-toxic, and eco-friendly.
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Purish, L. M., D. R. Abdulina, and G. O. Iutynska. "Inhibitors of Corrosion Induced by Sulfate-Reducing Bacteria." Mikrobiolohichnyi Zhurnal 83, no. 6 (December 17, 2021): 95–109. http://dx.doi.org/10.15407/microbiolj83.06.095.
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Currently, a lot of researcher’s attention is devoted to the problem of microbiologically influenced corrosion (MIC), since it causes huge damages to the economy, initiating the destruction of oil and gas pipelines and other underground constructions. To protect industrial materials from MIC effects an organic chemical inhibitors are massively used. However, the problem of their use is associated with toxicity, dangerous for the environment that caused the need for development the alternative methods of MIC repression. At the review, the data about different types of inhibitors-biocides usage has provided. The chemical inhibitors features are given and the mechanisms of their protective action are considered. The screening results and use of alternative and eco-friendly methods for managing the effect of corrosion caused by sulfate-reducing bacteria (SRB) are highlighted. Methods of joint application of chemical inhibitors and enhancers, such as chelators, biosurfactants, which contribute to reducing the concentration of chemical inhibitors, are discussed. The possibility of disruption of the quorum sensing interaction in the bacterial community to prevent the biofilm formation is considered. The information about the use of natural plant extracts, food waste, as well as by-products of agro-industrial production to combat MIC is provided. The development of biological corrosion control methods (to combat MIC) is of great importance for creating the best alternative and eco-friendly approaches to managing the effect of corrosion caused by SRB. The analysis of the literature data indicates the need to find the best alternatives and environmentally friendly solutions.
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C, Ramesh, Murugesan A, and Vijayakumar C. "Reducing the Environmental Pollution from Diesel Engine Fuelled with Eco- Friendly Biodiesel Blends." Bulletin of Scientific Research 1, no. 2 (November 16, 2019): 35–44. http://dx.doi.org/10.34256/bsr1925.
Повний текст джерелаАнотація:
Diesel engines are widely used for their low fuel consumption and better efficiency. Fuel conservation, efficiency and emission control are always the investigation points in the view of researchers in developing energy system. India to search for a suitable environmental friendly alternative to diesel fuel. The regulated emissions from diesel engines are carbon monoxide (CO), Hydrocarbons (HC), NOx and Particulate matter. It creates cancer, lungs problems, headaches and physical and mental problems of human. This paper focuses on the substitution of fossil fuel diesel with renewable alternatives fuel such as Biodiesel. Biodiesel is much clear than fossil diesel fuel and it can be used in any diesel engine without major modification. The experiment was conducted in a single-cylinder four-stroke water-cooled 3.4 kW direct injection compression ignition engine fueled with non-edible Pungamia oil biodiesel blends. The experimental results proved that up to 40% of Pungamia oil biodiesel blends give better results compared to diesel fuel. The AVL 444 di-gas analyzer and AVL 437 smoke meter are used to measure the exhaust emissions from the engine. The observation of results, non-edible Pongamia biodiesel blended fuels brake thermal efficiency (3.59%) is improved and harmful emissions like CO, unburned HC, CO2, Particulate matter, soot particles, NOx and smoke levels are 29.67%, 26.65%, 33.47%, 39.57%, +/- 3.5 and 41.03% is decreased respectively compared to the diesel fuel. This is due to biodiesel contains the inbuilt oxygen content, ignition quality, carbon burns fully, less sulphur content, no aromatics, complete CO2 cycle.
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Pushkar, Svetlana. "Life-Cycle Assessment in the LEED-CI v4 Categories of Location and Transportation (LT) and Energy and Atmosphere (EA) in California: A Case Study of Two Strategies for LEED Projects." Sustainability 14, no. 17 (August 31, 2022): 10893. http://dx.doi.org/10.3390/su141710893.
Повний текст джерелаАнотація:
This study aimed to identify different certification strategies for Leadership in Energy and Environmental Design Commercial Interior version 4 (LEED-CI v4) gold-certified office projects in California’s cities and to explore these certification strategies using life-cycle assessments (LCAs). The LEED-CI v4 data were divided into two groups: high- and low-achievement groups in the Location and Transportation (LT) category. The author identified two strategies for achieving the same level of certification across LEED-CI v4 projects: (1) high achievements in LT (LTHigh) and low achievements in the Energy and Atmosphere (EA) category (EALow), and (2) low achievements in the LT category (LTLow) and high achievements in EA (EAHigh). The author adopted LTHigh–EALow and LTLow–EAHigh achievements as functional units for LCA. Three alternatives were LTHigh: typical bus, EALow: gas; LTLow: typical car, EAHigh: gas; and LTLow: eco-friendly car, EAHigh: gas, where a typical bus used diesel, a typical car used natural gas, an eco-friendly car used EURO5diesel, and natural gas was used as a building’s operational energy. The ReCiPe2016 results showed that the LTHigh: typical bus, EALow: gas strategy was preferable from a short-term perspective, and the LTLow: eco-friendly car, EAHigh: gas strategy was preferable in a long-term and an infinite time perspective, while the LTLow: typical car, EAHigh: gas strategy continued to be the most environmentally damaging certification strategy for all the time horizons of the existing pollutants. Thus, it can be concluded that if there are alternative strategies for LEED certification, an analysis of their LCAs can be useful to refine the best sustainable strategy.
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Aiduang, Worawoot, Athip Chanthaluck, Jaturong Kumla, Kritsana Jatuwong, Sirasit Srinuanpan, Tanut Waroonkun, Rawiwan Oranratmanee, Saisamorn Lumyong, and Nakarin Suwannarach. "Amazing Fungi for Eco-Friendly Composite Materials: A Comprehensive Review." Journal of Fungi 8, no. 8 (August 11, 2022): 842. http://dx.doi.org/10.3390/jof8080842.
Повний текст джерелаАнотація:
The continually expanding use of plastic throughout our world, along with the considerable increase in agricultural productivity, has resulted in a worrying increase in global waste and related environmental problems. The reuse and replacement of plastic with biomaterials, as well as the recycling of agricultural waste, are key components of a strategy to reduce plastic waste. Agricultural waste is characterized as lignocellulosic materials that mainly consist of cellulose, hemicellulose, and lignin. Saprobe fungi are able to convert agricultural waste into nutrients for their own growth and to facilitate the creation of mycelium-based composites (MBC) through bio-fabrication processes. Remarkably, different fungal species, substrates, and pressing and drying methods have resulted in varying chemical, mechanical, physical, and biological properties of the resulting composites that ultimately vary the functional aspects of the finished MBC. Over the last two decades, several innovative designs have produced a variety of MBC that can be applied across a range of industrial uses including in packaging and in the manufacturing of household items, furniture, and building materials that can replace foams, plastics, and wood products. Materials developed from MBC can be considered highly functional materials that offer renewable and biodegradable benefits as promising alternatives. Therefore, a better understanding of the beneficial properties of MBC is crucial for their potential applications in a variety of fields. Here, we have conducted a brief review of the current findings of relevant studies through an overview of recently published literature on MBC production and the physical, mechanical, chemical, and biological properties of these composites for use in innovative architecture, construction, and product designs. The advantages and disadvantages of various applications of mycelium-based materials (MBM) in various fields have been summarized. Finally, patent trends involving the use of MBM as a new and sustainable biomaterial have also been reviewed. The resulting knowledge can be used by researchers to develop and apply MBC in the form of eco-friendly materials in the future.
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Kamarian, Saeed, and Jung Il Song. "Review of literature on eco-friendly sandwich structures made of non-wood cellulose fibers." Journal of Sandwich Structures & Materials 24, no. 3 (February 26, 2022): 1653–705. http://dx.doi.org/10.1177/10996362211062372.
Повний текст джерелаАнотація:
In recent years, concerns about environmental pollution have led to the development of natural fiber sandwich structures as alternatives to petroleum-based ones. This paper reviews various studies on sandwich structures composed of non-wood cellulose-nature fibers. These fibers mainly include flax, hemp, jute, kenaf, sisal, coir, and bamboo. The studies are classified based on the type of fibers, the components in which they are used, and experimental tests/numerical investigations. Furthermore, a few suggestions for future research in the field of eco-friendly sandwich structures are made.
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Banger, Anjali, Anamika Srivastava, Anjali Yadav, Ruchika Sharma, and Manish Srivastava. "Application of Green Solvent in Green Chemistry: An overview." Green Chemistry & Technology Letters 9, no. 1 (February 27, 2023): 01–14. http://dx.doi.org/10.18510/gctl.2023.911.
Повний текст джерелаАнотація:
Purpose: Generally, conventional or volatile organic solvents are extracted from petroleum resources and other such resources harmful to living species' environment and wellbeing. Because of this severe threat, researchers developed some eco-friendly alternations to circumvent the difficulties associated with traditional solvents. This review paper provides an overview of different alternatives or substitutes to overcome the toxicity of conventional solvents.
Methodology: The properties of a green solvent, tools, and techniques used to measure the greenness of solvent, its parameters, classification, and applications in various fields are the factors reviewed in this study.
Principal Findings: Chemical and pharmaceutical industries use around 80% of chemical-based solvents out of the total volume for various chemical procedures. The evolution of green chemistry has led to the development of green solvents.
Implications: The use of non-conventional solvents also offers prospects for facilitating the recycling and recovery of the solvents.
Novelty: The novelty of this work includes its eco-friendliness and sustainability over traditional organic solvents. Along with these, green solvents can be recycled for further use. On a green note, we have discussed various types of solvents, parameters, their properties and applications in different fields in this chapter. And all of them possess some unique characteristics and advantages over conventional organic solvents. Some of them are completely eco-friendly and others in a way require some research and enhancement in techniques to behave like one.
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Ogumo, E. O., W. M. Muiru, J. W. Kimenju, and D. M. Mukunya. "Assessment of the Potential of Eco-Friendly Nematicides in the Management of Root-Knot Nematodes on French Beans in Kenya." Current Agriculture Research Journal 7, no. 1 (January 5, 2019): 62–67. http://dx.doi.org/10.12944/carj.7.1.08.
Повний текст джерелаАнотація:
Root-knot nematodes (RKN) (Meloidogyne spp) are a serious pest causing heavy economic losses in a wide range of agricultural crops. A trial was carried out to evaluate the effectiveness of various eco-friendly nematicides in the management of RKN affecting French bean. The field trial was carried out in two seasons with the following treatments; Rigel-G (salicylic acid), Phyto Protect (Sesame oil extract), Mytech (Paecilomyces lilacinus), Neemraj 0.3% (Azadirachtin), Vydate® (Oxamyl) as a positive control and an untreated control. Various rates; Rigel –G (2.5 ml/l), Phyto Protect (10 l/ha), Mytech (125 g/ha) Neemraj 0.3% (3L/ha) and Vydate® (6 l/ha) of treatments were administered and damage on plants was assessed based on galling indices, crop biomass and yield whereas nematode reproductive potential was assessed based on the J2 counts. There was no significant difference (P ≥ 0.05) in the nematode population densities and galling indices observed among the eco-friendly nematicides and the conventional nematicide (Vydate®). Eco-friendly nematicides had a significant (P ≤ 0.05) reduction of RKN J2 population densities compared to the negative control. The negative control had the highest mean of root-knot nematode densities (240 RKN/200 cc soil) and a galling index of 3.77 while Vydate and Neemraj had the lowest mean density (40 RKN/200 cc soil) in the first season. Similar results were observed in the second season with control having the highest RKN J2 population densities (285 RKN/200 cc soil) and a galling index of 3.89 and Vydate had the lowest (23 RKN/200 cc soil). The results of this study clearly indicate that eco-friendly nematicides can be fully adopted to suppress RKN in French beans as alternatives to conventional nematicides.
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Hassan, Sidra. "Plastics: A brief review of its disasters and degradation techniques." Science Proceedings Series 1, no. 2 (April 24, 2019): 100–102. http://dx.doi.org/10.31580/sps.v1i2.698.
Повний текст джерелаАнотація:
This review article focuses on the growth of Platic industry, the disasters caused by it and an overview of degradation mechanisms. Plastics being considered the benign substances came into headlines when their presence was first detected in the food chain. These plastics can persist in the environment for hundreds of years. Degrading these persistant pollutant is of major concern for many scientists across the globe. Incinerating plastics is one option but it has many environmental consequences. Besides, bioremediation is the process that many scientists are interested in, as different microbes has the ability to degrade plastics at different rates. Research is needed to come up with the economical and eco-friendly approaches, fast enough to degrade tons of plastic with minimum effect on the environment. Major concern is not only degrading plastics but also minimizing its use and coming up with alternatives that are not only eco-friendly but also cost effective.