Bibliografías temáticas / Recycling (waster, etc.)

Literatura académica sobre el tema "Recycling (waster, etc.)"

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Publicado: 25 de julio de 2024

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Artículos de revistas sobre el tema "Recycling (waster, etc.)"

1

You, J. S. y Wen Fang Wu. "Designing and Development of Automatic Classification Equipment in Resource Recycling". Applied Mechanics and Materials 251 (diciembre de 2012): 71–74. http://dx.doi.org/10.4028/www.scientific.net/amm.251.71.

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Creat and keep a good living environment is everyone’s responsibility. However, in the high-stressed society, people are driven to be more effective, many disposable products come into being, such as, plastic bottles, plastic products, styrofoam, etc. They are common in low price, and handy enough. Meanwhile, Users are tend to foster the habit of throwing waster about ,which is not only a waste of resources, but also a serious environmental problem. Therefore, it is quite important to classify the garbage and recycle the resources, and transfer the "throwing after using immediately" society into a sustainable society. Hence, the interdisciplinary cooperation method in the design and engineering field to design and develop the productis employed in this thesis.Then, based on the technical feasibility evaluation and the production of the prototype, functions of the products have been checked and achieved. Thus, it can be used to recycle the resources and reate a high quality living environment, further promote the new concept of environmental protection.
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Du, Hong Pu, Yuan Ming Dou y Cheng Ying Qi. "Application of Mine Water for Water-Source Heat Pump System". Applied Mechanics and Materials 291-294 (febrero de 2013): 1701–7. http://dx.doi.org/10.4028/www.scientific.net/amm.291-294.1701.

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Mine water and mine return air is good for the renewable energy due to heat storage underground, and the recycling has been a new technology of the energy utilization in water source heat pump system. Utilizing the waster heat of coal mine is beneficial in reducing the coal consumption of winter heating boiler or even replacing it completely. Comprehensive analysis the research situation and the project example, this paper points out that the technical of mine water applied for water-source heat pump system is feasibility in the practical project and theory in view of advantages, like energy saving, environmental protection, high efficiency and short payback period, etc. Therefore, application of mine water for water-source heat pump system is a new advanced energy-saving technology.
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Jin, Yanming, Zhuonan Li, Xinli Xiao, Conggan Ma, Min Liu y Lingyu Chen. "Research on the evaluation method of the business model for the recycling of hazardous waste in power grid". Advances in Engineering Technology Research 1, n.º 1 (17 de mayo de 2022): 241. http://dx.doi.org/10.56028/aetr.1.1.241.

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Hazardous wastes in power grids include waste transformer oil and waste lead-acid batteries, etc. Due to the problems of extremely large number of points, wide distribution, and small number of units, coupled with differences in hazardous waste recycling technologies, policies, and markets in various regions, so Possible business models need to be listed and evaluated. This paper establishes an evaluation index system for the business model of hazardous waste recycling, and uses the TOPSIS method to evaluate five feasible business models. The evaluation results will help relevant departments of power grid companies at all levels to formulate recycling strategies according to the characteristics of hazardous waste recycling, so as to facilitate the recycling and reuse of hazardous wastes.
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Zia, Umer, Hira Iram, Hafiz Zeshan Haider, Faiza Ameen, Maria Abrar y Muhammad Atif. "Review—Biowaste as a Source of Conductive Carbon". ECS Journal of Solid State Science and Technology 11, n.º 2 (1 de febrero de 2022): 021001. http://dx.doi.org/10.1149/2162-8777/ac4edb.

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Recycling trend has transformed the prerequisites of our cravings. Makeover of waste material into useful goods has become inevitable. Bio waste shares a major portion of waste materials, hence pursued for recycling. Activated carbon from bio waste has been reported remarkable in electrochemical performance (capacitance, charge density, charge-discharge ratio etc.). This survey of data has been compiled for different bio wastes as a source of activated carbons with conductive behavior.
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Nhu, Dung Kim Thi, Duoc Van Tran, Thuat Tien Phung y Toi Trung Tran. "An overview of recycling methods from composite wastes". Journal of Mining and Earth Sciences 62, n.º 3b (20 de julio de 2021): 69–79. http://dx.doi.org/10.46326/jmes.2021.62(3b).08.

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In the era of industrialization and modernization, pollution caused by industrial wastes has become one of the biggest challenges most countries are facing. Wastes such as plastics, ceramics, paper, metals, composite, etc. are the predominant detriments to the environment. Although composite materials account for just a small proportion in the waste stream, they are difficult to process and possess a great number of potential risks to the environment. At the same time, recycling and recovering composite waste materials are more challenging than other easy-to-handle waste materials. This paper will first present an overview of the methods used to recycle composite wastes, then it will further orientate recycling technologies suitable for Vietnam.
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Rovin, S. L., A. S. Kalinichenko y L. E. Rovin. "The return of the dispersed metal waste into production". Litiyo i Metallurgiya (FOUNDRY PRODUCTION AND METALLURGY), n.º 1 (10 de abril de 2019): 45–48. http://dx.doi.org/10.21122/1683-6065-2019-1-45-48.

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The article presents an alternative method of recycling of dispersed metal waste, based on a continuous solid-liquid-phase process, implemented in rotary tilting furnaces (RTF). The new proposed method of recycling allows processing wastes with almost any composition and state from metal to oxide and multicomponent wastes (shavings, fine scrap, mill scale, aspiration dust, sludge, etc.). The wastes can be even contaminated with moisture, oil, and organic impurities. The method developed does not require preliminary preparation of the initial materials (cleaning, homogenization, pelletizing, etc.). The finished products are ingots (pigs) for subsequent processing aiming the particular chemical composition or cast alloys of certain brend.
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Štreimikienė, Dalia. "Waste management in Baltic States: Comparative assessment". JOURNAL OF INTERNATIONAL STUDIES 16, n.º 4 (diciembre de 2023): 39–51. http://dx.doi.org/10.14254/2071-8330.2023/16-4/3.

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In EU waste management policy the waste avoidance and reuse are under the highest priority and the recycling takes the third place while recovery and disposal are the least favourable options. The EU member states have to implement strict waste management policies based on this approach however though all countries have to prepare and implement waste management plants, their have achieved different results in waste management. The article aims to analyse the selected waste management indicators covering all stages of various wastes management ranging from prevention to recycling etc. available at Eurostat database and to present empirical comparative case study on waste management for Baltic. The different Multi Criteria Decision Making models were applied for comparing and ranking Baltic States based on their achievements in waste management in 2020. The case study revealed that the best performing country in waste management among Baltic States was Lithuania having the best indicators of waste generation per GDP and recycling rates of municipal waste and plastic packaging waste. Estonia was lowest ranked country according waste management due to very high overall total generated waste per capita and packaging and plastic waste per capita etc.
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Mishra, Srabani, Sandeep Panda, Ata Akcil, Seydou Dembele y Ismail Agcasulu. "A Review on Chemical versus Microbial Leaching of Electronic Wastes with Emphasis on Base Metals Dissolution". Minerals 11, n.º 11 (11 de noviembre de 2021): 1255. http://dx.doi.org/10.3390/min11111255.

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There is a growing interest in electronic wastes (e-wastes) recycling for metal recovery because the fast depletion of worldwide reserves for primary resources is gradually becoming a matter of concern. E-wastes contain metals with a concentration higher than that present in the primary ores, which renders them as an apt resource for metal recovery. Owing to such aspects, research is progressing well to address several issues related to e-waste recycling for metal recovery through both chemical and biological routes. Base metals, for example, Cu, Ni, Zn, Al, etc., can be easily leached out through the typical chemical (with higher kinetics) and microbial (with eco-friendly benefits) routes under ambient temperature conditions in contrast to other metals. This feature makes them the most suitable candidates to be targeted primarily for metal leaching from these waste streams. Hence, the current piece of review aims at providing updated information pertinent to e-waste recycling through chemical and microbial treatment methods. Individual process routes are compared and reviewed with focus on non-ferrous metal leaching (with particular emphasis on base metals dissolution) from some selected e-waste streams. Future outlooks are discussed on the suitability of these two important extractive metallurgical routes for e-waste recycling at a scale-up level along with concluding remarks.
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Bhat, Sartaj Ahmad, Jaswinder Singh y Adarsh Pal Vig. "Management of Sugar Industrial Wastes through Vermitechnology". International Letters of Natural Sciences 55 (junio de 2016): 35–43. http://dx.doi.org/10.18052/www.scipress.com/ilns.55.35.

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The present paper discusses the role of earthworms in recycling of sugar industrial wastes. The wastes generated from sugar industry are pressmud, bagasse, bagasse fly ash, sugar cane trash, sugar beet mud, sugar beet pulp, molasses etc. These wastes when mixed with other organic substrates become ideal mixtures for growth of earthworms. These wastes if stored in open field’s causes contamination in the environment and may cause several diseases in public health. But the governments have been unable to tackle the menace of solid waste pollution due to dearth of appropriate technologies, finance and space. Therefore, environment friendly and cost effective technologies for nutrient recycling or remediation of wastes are being advocated as an alternative means for conserving and replenishing natural resources of the ecosystems. Vermicomposting is one such technology that synergises microbial degradation with earthworm’s activity for reducing, reusing and recycling waste materials in a shorter span of time. Earthworm technology can convert sugar industrial wastes into valuable fertilizing material. The final product (vermicompost) produced during the process of vermicomposting is nutrient rich organic fertilizer with plant available nutrients such as nitrogen, potassium, calcium and phosphorus. In the present study an attempt has been made to document the role of earthworms in reuse of sugar industry waste.
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Bhat, Sartaj Ahmad, Jaswinder Singh y Adarsh Pal Vig. "Management of Sugar Industrial Wastes through Vermitechnology". International Letters of Natural Sciences 55 (3 de junio de 2016): 35–43. http://dx.doi.org/10.56431/p-jh3zmh.

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The present paper discusses the role of earthworms in recycling of sugar industrial wastes. The wastes generated from sugar industry are pressmud, bagasse, bagasse fly ash, sugar cane trash, sugar beet mud, sugar beet pulp, molasses etc. These wastes when mixed with other organic substrates become ideal mixtures for growth of earthworms. These wastes if stored in open field’s causes contamination in the environment and may cause several diseases in public health. But the governments have been unable to tackle the menace of solid waste pollution due to dearth of appropriate technologies, finance and space. Therefore, environment friendly and cost effective technologies for nutrient recycling or remediation of wastes are being advocated as an alternative means for conserving and replenishing natural resources of the ecosystems. Vermicomposting is one such technology that synergises microbial degradation with earthworm’s activity for reducing, reusing and recycling waste materials in a shorter span of time. Earthworm technology can convert sugar industrial wastes into valuable fertilizing material. The final product (vermicompost) produced during the process of vermicomposting is nutrient rich organic fertilizer with plant available nutrients such as nitrogen, potassium, calcium and phosphorus. In the present study an attempt has been made to document the role of earthworms in reuse of sugar industry waste.
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Tesis sobre el tema "Recycling (waster, etc.)"

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Wong, Tse-ki Kinny. "Optimal design of municipal solid waste recycling system in Hong Kong /". Hong Kong : University of Hong Kong, 1999. http://sunzi.lib.hku.hk/hkuto/record.jsp?B21301487.

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Lau, Kin-wah. "Management, disposal and recycling of waste organic solvents in Hong Kong /". Hong Kong : University of Hong Kong, 1998. http://sunzi.lib.hku.hk/hkuto/record.jsp?B19945139.

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Cheung, Yan Priscilla. "An analysis of Hong Kong's recycling policy". Hong Kong : University of Hong Kong, 1999. http://sunzi.lib.hku.hk/hkuto/record.jsp?B21037929.

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Lai, Kit-ying. "Campaigns for promoting waste reduction, reuse and recycling case studies in Japan, Singapore and Hong Kong /". Click to view the E-thesis via HKUTO, 2009. http://sunzi.lib.hku.hk/hkuto/record/B42555814.

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Wong, May-ling. "Recycling in Hong Kong : case study on "conserving the Central & Western District materials recycling scheme at Mid-Levels" /". Hong Kong : University of Hong Kong, 2002. http://sunzi.lib.hku.hk/hkuto/record.jsp?B25436156.

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Bolan, Michael D. "European union vs. the United States : recycling policies and management /". Connect to resource online, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=ysu1243439695.

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Collins, Gill. "Local government recycling : a South Australian perspective". Title page, contents and abstract only, 1989. http://web4.library.adelaide.edu.au/theses/09ENV/09envc712.pdf.

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Lai, Kit-ying y 賴潔瑩. "Campaigns for promoting waste reduction, reuse and recycling: case studies in Japan, Singapore and HongKong". Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2009. http://hub.hku.hk/bib/B42555814.

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Lim, Boon Hock. "The kerbside recycling dilemma /". Title page, table of contents and abstract only, 1998. http://web4.library.adelaide.edu.au/theses/09ENV/09envl732.pdf.

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Pekdur, Ömer Keçeci Emin Faruk. "Autonomous Solid Waste Separation System Design/". [s.l.]: [s.n.], 2006. http://library.iyte.edu.tr/tezlerengelli/master/makinamuh/T000522.pdf.

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Libros sobre el tema "Recycling (waster, etc.)"

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Recycling. New York: Children's Press, 2001.

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Rodger, Ellen. Recycling waste. Tarrytown, NY: Marshall Cavendish Benchmark, 2008.

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Venkateswaran, Sandhya. The wealth of waste: Waste pickers, solid wastes, and urban development. New Delhi: Friedrich-Ebert Stiftung, 1995.

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S, Friedman Lauri, ed. Recycling. Detroit: Greenhaven Press, 2010.

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S, Friedman Lauri, ed. Recycling. Detroit: Greenhaven Press, 2010.

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6

Peter, Fečko, Holík Martin, Čablík Vladimír, Pekara Stanislav y Vysoká škola báňská--Technická univerzita Ostrava., eds. Recyklace odpadů II: 27. 11. 1998, Ostrava-Poruba. Ostrava: Vysoká škola báňská--Technická univerzita, 1998.

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Mikoláš, Jan. Recyklace průmyslových odpadů. Praha: SNTL, 1988.

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Peter, Fečko, Březina Peter y Vysoká škola báňská--Technická univerzita Ostrava., eds. Recyklace odpadů: 20. 11. 1997, VŠB-TU Ostrava-Poruba, Společenský sál nové menzy VŠB-TU. Ostrava: Vysoká škola báňská-Technická univerzita, 1997.

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Davies, David. Achieving recycling targets: Best practice in materials recycling. Aylesford: Aylesford Newsprint, 2000.

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Wilcox, Charlotte. Recycling. Minneapolis, Minn: Lerner Publication Company, 2008.

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Capítulos de libros sobre el tema "Recycling (waster, etc.)"

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Faraj, Sirwan y Amin Al-Habaibeh. "Investigating the Utilisation of Waste Sand from Sand Casting Processes for Concrete Products for Environmental Sustainability". En Springer Proceedings in Energy, 117–25. Cham: Springer Nature Switzerland, 2023. http://dx.doi.org/10.1007/978-3-031-30960-1_12.

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AbstractConcrete is one of the fundamental materials in the construction industry. Typically, concrete is composed of sand, cement, aggregate, and added water to the cement ratio. To enhance sustainability and reduce the negative effect on the environment from industrial waste, recycling waste material into the concrete mixture is becoming an area of research by substituting some of the concrete ingredients with some of the recycled waste material in order to reduce the amount of fine natural aggregate used in the construction industry, maximise the strength and minimise the overall weight of the concrete product. Waste foundry sand is a by-product of sand casting, a waste product of the metal casting industry. The improper disposal of this waste foundry sand (WFS) could cause environmental issues. Consequently, its possible use in building materials, product design, construction, and other fields is crucial for mitigating environmental limitations. To minimise negative environmental impacts, researchers have proposed reusing this waste foundry sand by replacing, fully or partially, some of the standard natural sand within the concrete mixture. This paper investigates the mechanical and physical properties of concrete cubes containing recycled sand-casting material by demonstrating the experimental work to determine the potential benefit or limitations of using this material within the concrete in the construction and product design industries. According to the experimental results, waste foundry sand, with a substitution ratio of up to 30%, had a compression strength of circa 23 N/mm2 and reached up to 78% of the strength of a standard control sample within 7 days. The results hence suggest that waste foundry sand can be used in the production of concrete products when such reduction in strength is not critical. Such a range of products could include curbs, garden slabs, cycling pavements, gravel boards, etc. Additionally, utilising waste foundry sand will help to reduce the use of natural sand and the need for landfill sites, which has several advantages, including cost savings and environmental protection by reducing CO2 emissions during transportation.
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Radonjanin, Vlastimir, Mirjana Malešev, Ivan Lukić, Slobodan Šupić, Mirjana Laban y Olivera Bukvić. "Possible Utilization of Used Precast Building Elements Through Consideration of Concrete Carbonation Degree". En Lecture Notes in Civil Engineering, 532–41. Cham: Springer Nature Switzerland, 2024. http://dx.doi.org/10.1007/978-3-031-57800-7_49.

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AbstractSignificant changes in the strategic goals of the construction sector at the global level have been visible in recent years. By implementing the fundamental principles of sustainable development and circular economy, the modern construction industry tries to contribute to a healthier environment by reducing CO2 emissions, minimizing waste landfills, and preserving non-renewable natural resources. The possibilities of reusing prefabricated concrete elements of existing buildings instead of their traditional recycling on a material level or disposing of them in landfills are analyzed in this paper. Special attention in the research was placed on the carbonation of prefabricated reinforced concrete elements of buildings, as it is one of the most frequent processes that accelerate the deterioration of RC structures. Long-term carbonation processes inevitably result in reinforcement corrosion and accompanying damage to the concrete cover, therefore some constrains for the further use of prefabricated RC building elements must be precisely defined. In this study, the potential use of prefab RC building elements was determined by calculating the depth of carbonation while taking into account the age of buildings and environmental conditions (relative air humidity, position of prefab element). Depending on the thickness of the carbonized concrete and the type and intensity of damage to the reinforcement and concrete, various variants for further use of the dismantled prefabricated RC building elements were proposed (reuse without restrictions, use in the interior of new buildings, use in less demanding facilities, reuse after application of a protective coating, replacement of the protective cover and reuse etc.).
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Margaret Popoola, Bukola. "Biodegradable Waste". En Recycling - Recent Advances [Working Title]. IntechOpen, 2022. http://dx.doi.org/10.5772/intechopen.107910.

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Biodegradable wastes are waste materials easily degraded or broken down naturally by factors such as biotic (bacteria, fungi, plants, animals, etc.) and abiotic (pH, temperature, oxygen, humidity, etc.). This process enables complex substances to be broken down into simpler organic compounds which subsequently fade into the soil. This is a natural process that could be prolonged or rapid and poses little risks to the environment. These waste materials could be termed green waste; including food waste, paper waste, and biodegradable plastics such are found in municipal solid waste. Other examples of biodegradable wastes include sewage, manure, sewage sludge, human waste, waste from various slaughterhouses, hospital waste, dead animals, and plants. Biodegradable waste could be said to be recyclable or reused; furthermore, bio-waste recycling may also directly contribute to climate protection. They are generally known as useful waste. Recycling is one of the current waste management strategies having great benefits for the environment.
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Pandey, Binay Kumar, Vinay Kumar Nassa, Digvijay Pandey, A. Shaji George, Monika Gupta, Pankaj Dadheech y A. S. Hovan George. "An Analytical Analysis of the Present-Day Procedures for Disposing of Waste". En Handbook of Research on Safe Disposal Methods of Municipal Solid Wastes for a Sustainable Environment, 24–34. IGI Global, 2023. http://dx.doi.org/10.4018/978-1-6684-8117-2.ch002.

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Population growth, urbanisation, industry, modernization, and digitalization increase residential, industrial, commercial, mining, radioactive, agricultural, hospital, and electronic wastes in the 21st century. Waste management is becoming the biggest global challenge. Waste management includes collecting, transporting, sorting, destroying, processing, recycling, controlling, monitoring, and regulating garbage, sewage, and other waste. Waste management preserves the environment, prevents pollution, and protects health. Global waste management is modern. Biological reprocessing, recycling, composting, waste-to-energy, bioremediation, incineration, pyrolysis, plasma gasification, ocean/sea disposal, etc. Waste management enhances life. This ensures future peace and wellness. Global health depends on waste management. This optimises waste management. This document discusses worldwide garbage management. It also offers the best waste management approach by critically reviewing previous researchers' findings.
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Halevi, Shanee J., Charles R. Giordano y Michael E. Van Brunt. "Moving Up the Waste Hierarchy: Modeled Emissions Reductions from Applying Sustainable Waste Management Practices in the United States". En Proceedings of the 2022 EEC/WTERT Conference, 12–17. ASME, 2023. http://dx.doi.org/10.1115/1.887271_ch3.

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More sustainable waste and materials management and implementation of the Waste Hierarchy could achieve significant reductions in U.S. greenhouse gas emissions across the economy through reductions in waste generation and increases in recycling, composting, and anaerobic digestion. For wastes remaining, landfilling is minimized, especially for biodegradable wastes, and energy recovery is prioritized. With a 35% reduction in per capita municipal solid waste generation, an increase in the overall recycling rate from 27% to 65%, inclusive of composting and anaerobic digestion with digestate reuse, and energy recovery and landfilling rates of 20% and 15% respectively, the U.S. could reduce greenhouse gas (GHG) emissions relative to business-as-usual practices by approximately 700 million metric tons per year by 2050. This level of reduction would contribute roughly 8% of the overall net GHG reductions required to meet a target of net zero GHG emissions by 2050, the level required to ensure that global temperature increases are kept below 1.5°C relative to pre-industrial levels to stem the most severe impacts of climate change. These reductions result from avoided landfill methane emissions, as well as displaced fossil-fuel fired grid connected electricity, and avoided emissions from recycling and waste reduction.
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Garwa, Himanshu y Dr Bharati Veerwal. "VERMICOMPOSTING: A SUSTAINABLE TECHNOLOGY FOR RECYCLING ORGANIC WASTES". En Futuristic Trends in Agriculture Engineering & Food Sciences Volume 3 Book 19, 26–32. Iterative International Publisher, Selfypage Developers Pvt Ltd, 2024. http://dx.doi.org/10.58532/v3bcag19p2ch2.

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Farmers apply fertilizers to their plants to encourage growth as well as their personal financial development. Nonetheless, chemical fertilizers, as we are all aware, contaminate the water and soil, harming the surrounding flora and fauna. Therefore, use of organic waste that has been discarded into the environment is necessary. Based on certain research, earthworm species can be employed for the recycling of organic waste. Regulating soil processes is a major function of earthworms. As the most significant soil ecosystem engineers, they are generally accepted. Earthworm species favor extremely organic food over the soil. We can use waste materials like cow dung, kitchen waste, agro-residues, institutional and industrial wastes, textile industry sludge and fibers, etc. that are released into the environment to make vermicompost because they contain a lot of organic content.
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Meiirbekov, Arshyn, Akniyet Amantayeva, Serik Tokbolat, Aidar Suleimen, Shoaib Sarfraz y Essam Shehab. "Carbon Fiber Composites Application and Recycling in Kazakhstan and Neighboring Countries". En Advances in Transdisciplinary Engineering. IOS Press, 2021. http://dx.doi.org/10.3233/atde210122.

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The use of carbon fiber reinforced polymers (CFRPs) has expanded in many industries due to superior properties compared to traditional materials. Nevertheless, their recycling is challenged by immature recycling market and poor legislative support. This study evaluates the application and disposal of CFRPs within the different industries in Kazakhstan. The study adopted a market-based analysis approach to understand the up-to-date levels of application of CFRPs across manufacturing, construction, aviation, and other relevant industries of Kazakhstan. The study also considered CFRP markets and associated recycling practices in neighboring countries such as China and Russia which have a significant impact on Kazakhstan in terms of import and export of materials and waste. The research findings indicate that the application of CFRPs varies among industries, construction being the most prominent, however, their recycling is not as organized as in other waste types such as plastic, metals, etc. Russia and China will be generating thousands of tonnes of CFRP waste originating from the wind turbine and aviation sectors in future, from which Kazakhstan may also see some benefits. The findings of the study are deemed to be useful for the government of Kazakhstan and waste recycling associated stakeholders for future considerations.
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Sajid, Muhammad, Ayesha Akram, Syeda Fatima Sajjad, Tehmina Siddique y Muhammad Arshad. "Biological Waste Management". En Hazardous Waste - Current Insights [Working Title]. IntechOpen, 2023. http://dx.doi.org/10.5772/intechopen.1003266.

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Biological waste management is an important aspect of environmental sustainability that requires proper disposal and treatment of biological waste produced from different sources. Biological waste is waste that comes from biological processes including wastes from plants, animals, hospitals, household, and municipal solid waste (MSW). Biological waste management involves the collection of waste from waste-producing sources, transport, processing, disposal, or recycling. The biological waste management technologies include composting, incineration, landfill, anaerobic digestion, and bioconversion to produce biofuels, i.e., bioethanol, biodiesel, biogas, etc. Urbanization, industrialization, changing lifestyles, and consumption patterns of the public have resulted in increased production of biological waste worldwide. Production of biological waste is affecting soil health and biodiversity, crop productivity in case of discharge of industrial liquid waste into the fields, and human health, and contributes to global warming and climate change. Furthermore, every year, approximately one-third of the food produced is lost from the food chain as waste, resulting in increasing hunger, economic loss, inflation, and inequality among people. Hence, biological waste needs proper treatment to conserve the environment, and the bioconversion of waste to produce renewable sources of energy like biogas, biodiesel, and bioethanol will result in the reduction of emission of greenhouse gases.
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Thakur, Anukul K., Mandira Majumder, Archana S. Patole y Shashikant P. Patole. "Commercial Aspects, Safety Regulations, Environmental and Health Impacts, and Recycling Strategies of Supercapacitors". En Low-carbon Supercapacitors, 477–98. Royal Society of Chemistry, 2023. http://dx.doi.org/10.1039/bk9781837672479-00477.

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Supercapacitors have great potential for applications in electric and hybrid vehicles, wind farms, and low-power equipment due to their large specific power density and long-term cyclic stability. Waste supercapacitors are required to be recycled for making their use sustainable from the waste electronic equipment perspective. This chapter describes a recycling approach for end-of-life supercapacitors based on shredding and mild thermal treatment. Further, the safety regulations for supercapacitors with respect to the operating conditions like temperature, potential window, self-discharge, leakage current, etc., are discussed. We further include discussion about the impact of supercapacitor applications on human health. We also include a brief analysis about the ethical issues as well as the social impacts of supercapacitor applications. This chapter summarizes the various aspects of the implementation of supercapacitors and their recycling prospects.
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Sindhwani, Kshitiz, Pankhudee Gupta, Amit Kumar y Richa Srivastava. "Evaluation of Plastic Waste Management Methods Using Multi Criteria Decision Making Tool – AHP". En Advances in Transdisciplinary Engineering. IOS Press, 2022. http://dx.doi.org/10.3233/atde220780.

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The immense utilization of plastics has produced an enormous amount of plastic waste. So, basically there is a necessity created for proper method for plastic waste management. As, we know plastics is the most essential part of our life and used in every application and has a very versatile portfolio used everywhere from industries to households. We can say that the use of plastics is inevitable. In the present time adoption of sustainability principles including selection of the best recycling process is important for optimum utilization of the resources. As there are various plastic waste management strategies available, their prioritization on the basis of several criteria like health, safety, the environment impact, etc. is relevant for the stakeholders involved in this sector . Main objective as to apply by using different criteria as multi- criteria decision making to conduct an analysis which are based on a hierarchical structure that is multi-level and analysis of plastic waste management methods. The AHP approach is a (MCDM) tool which we adopt in our study to depict the best suitable method for the Plastic Waste Management for the industries. As the identification of criteria for the plastic recycling process based on the literature review and expert discussions was done for this the study was initiated. Further, the weightage of different criteria and ranking of the available methods were done using AHP. Four commonly used plastic waste management alternatives were evaluated and findings reveal that recycling is the best alternative. This study will help the industries in selection of best possible techniques and methods for plastic waste management. By this deep study we will be able to find out the best method which can be used for plastic waste management and AHP approach gives us a clarity and it takes various attributes to reach out to a result. This technique is inter-related to Operation Research subject. From this paper we can conclude that out of Incineration, landfilling, Mechanical Recycling and Road filling , Mechanical Recycling comes out to be the best method that can be used for Plastic Waste Management and it should be mainly utilized further.
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Actas de conferencias sobre el tema "Recycling (waster, etc.)"

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Cantarella, Jacques y Ingrid Verstraeten. "National Decommissioning Management System: Experience and Lessons Learned". En ASME 2003 9th International Conference on Radioactive Waste Management and Environmental Remediation. ASMEDC, 2003. http://dx.doi.org/10.1115/icem2003-4809.

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Since 1980, the National Agency ONDRAF/NIRAS has been responsible by law for the safe management of all radioactive waste produced in Belgium, including decommissioning waste. In 1991, its responsibility was extended by Royal Decree of 16.10.91 to the field of decommissioning, its main specific assignments being: • The collection and evaluation of data (physical and radiological inventories) from nuclear plants; • The approval of decommissioning programmes, including decommissioning cost evaluations and mechanisms of funding. Already in the early 90s, ONDRAF/NIRAS started with the implementation of its own integrated data processing system, recording the physical and radiological inventories of nuclear plants and allowing the evaluation of the quantities of decommissioning materials and waste as well as of the decommissioning costs of the plants. In 1997, the law on the inventory of nuclear liabilities of 12.12.97 completed and enforced the decree of 1991, stating that the agency will: • Draw up a register specifying the location and condition of all nuclear facilities and all sites containing radioactive substances on Belgian territory; • Estimate the cost of decommissioning and cleaning up these facilities and sites; • Evaluate the availability of sufficient funds to carry out these future or ongoing operations; • Update the inventory every five years. As a result, during these last few years, ONDRAF/NIRAS had to deal with an increasing amount of decommissioning data (submission of inventories, new decommissioning plans and also a first batch of five-yearly revisions) concerning a larger diversity of facility types (enlargement of activities to “smaller” licensees, like universities, hospitals, etc). Simultaneously and consequently, ONDRAF/NIRAS faced the need to integrate a larger range of field-experienced decontamination and dismantling techniques, performed by different decommissioning companies, in order to obtain more refined and “pertinent” cost evaluations. For the same purposes, it appeared necessary to consider alternative waste processing possibilities, especially for very low-level waster arising from decommissioning activities. In 2000, ONDRAF/NIRAS started to upgrade its Decommissioning Management System (DMS) in order to enhance the quality of the database (integrity, intrinsic validity, extrinsic validity, completeness and accuracy) and simultaneously to develop the flexibility and the abilities of the evaluation functions. This paper presents and describes the latest version of the ONDRAF/NIRAS DMS (the data model, interface facilities, and the calculation and reporting possibilities) putting emphasis on experience gained and on some of the first lessons learned. The two first sections of this paper give an overview of the National Agency’s main missions and outline the information and data collection process in the framework of decommissioning and inventory. Indeed, the context in which the updated DMS was developed and the difficulties encountered during the data collection process should inform the reader about the way the upgrading of the data system has been thought out and the alternatives the National Agency had to deal with. In the third section, the main functionalities of the DMS modules are set out in concrete terms, the main modules being: • The “Inventories” module, recording their physical and radiological inventories for the sites that fall within the scope; • The “Techniques” module, integrating measurement, decontamination, dismantling and special recycling techniques, as well as their unit cost elements; • The “Waste” module, integrating standard and special waste categories, their packaging, transportation and processing possibilities, as well as their unit cost elements; • The “Nominal Forecast” module, linking an inventory to selected techniques and waste costs, associated with the “best estimate” reference calculation scenario; • The “Scenario” module, dealing with the storage and evaluation of alternative scenarios (pessimistic or optimistic ones, deferred dismantling, etc). The last section focuses on experience gained through developing the upgraded DMS and putting it into operation. Some potentialities of the upgraded DMS are also discussed.
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TAFRAOUI, S. "Recycling of machining waste fibers in the formulation of new concrete". En Advanced Topics in Mechanics of Materials, Structures and Construction. Materials Research Forum LLC, 2023. http://dx.doi.org/10.21741/9781644902592-57.

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Abstract. The use of waste fibers from the mechanical machining of parts in the formulation of new concretes is of great importance for the protection of the environment because, on the one hand, it makes it possible to recover the materials already used and to on the other hand, it allows nature to be protected from excessive exploitation of the reserve of artificial metallic fibers. The new concretes have high performance (high compressive strength, low porosity and permeability, durability, etc.), however these concretes are fragile and have low tensile strength, which limits their use. The objective of this study is to see the influence of the introduction of waste fibers on the behavior of new concretes. It is necessary to study the physical-mechanical characteristics of these concretes composed of these wastes in the hardened state.
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Nituica, Mihaela, Laurentia Alexandrescu, Mihai Georgescu, Maria Sonmez, Maria Daniela Stelescu, Dana Gurau, Carmen Curutiu y Stefania Stoleriu. "Development and characterization of biodegradable compound based on EPDM and wood waste". En The 8th International Conference on Advanced Materials and Systems. INCDTP - Leather and Footwear Research Institute (ICPI), Bucharest, Romania, 2020. http://dx.doi.org/10.24264/icams-2020.iv.14.

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In the European Union, the potential for recycling technological and post-consumer polymeric waste is untapped. Their recycling and reuse are very low, compared to other types of waste such as glass, paper, etc., and the rates of storage, even of incineration, is very high in terms of percentage. Therefore, by reusing them, but also making use of new advanced technologies, we can contribute to improving the quality of products, and to environmental protection by recycling waste, protecting human health by eliminating toxins during their incineration, but also increasing turnover for global economic agents. Thus, this paper presents the obtaining and characterization of an antibacterial compound based on EPDM elastomer and wood waste (sawdust). The antibacterial compound is characterized from a physical-mechanical and structural point of view (FT-IR), all according to standards in force.
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Wasiuddin, N. M., Nouman Ali y M. R. Islam. "Use of Offshore Drilling Waste in Hot Mix Asphalt (HMA) Concrete as Aggregate Replacement". En ASME 2002 Engineering Technology Conference on Energy. ASMEDC, 2002. http://dx.doi.org/10.1115/etce2002/ee-29168.

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Despite continuous research and development on drilling fluids and waste minimization during the last 40 years, offshore drilling waste (OSDW) remains a significant environmental concern for the petroleum industry. OSDW contains three types of contaminants namely, heavy metals from drilling fluid, oil from oil based mud or petroleum contamination and naturally occurring radioactive substances from exposed formations. In this study a promising and permanent solution based on recycling of OSDW as road construction materials has been investigated. It has been revealed previously that five to ten percent of some waste materials such as recycled asphalt pavement, tire rubber, glass, roofing shingles, polythene etc. can be added to hot mix asphalt (HMA) concrete without sacrificing its strength and performance. These wastes can be added to the HMA by either replacing the mineral filler or proportionately reducing the amount of virgin material in the original mix. In this laboratory test study, different percentages of OSDW were added as aggregate replacement and the properties of resulting blends were evaluated. Three beneficial actions, namely, incineration, dilution and solidification took place. At the end, the effectiveness of using OSDW was determined with the Marshall stability and flow, permeability of HMA concrete, leachability and resilient modulus. It has been found that for the drilling waste used in this research the percentage that can be used in HMA concrete without sacrificing its properties is as high as 20%. Even though the percentage of waste that can be used as aggregate replacement varies with waste types and properties, the proposed technique offers significant promises for OSDW recycling.
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Themelis, Nickolas J. "Changes in Public Perception of Role of Waste-to-Energy for Sustainable Waste Management of MSW". En 19th Annual North American Waste-to-Energy Conference. ASMEDC, 2011. http://dx.doi.org/10.1115/nawtec19-5439.

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In the last ten years, public and government perceptions of waste-to-energy have changed considerably. Most people who bothered to visit waste management facilities recognize that landfilling can only be replaced by a combination of recycling and thermal treatment with energy recovery. During the same period, the Earth Engineering Center (EEC) of Columbia University research and public information programs have concentrated on advancing all means of sustainable waste management in the U.S. and abroad. The results of EEC research are exemplified in the graphs of the Hierarchy of Waste Management and the Ladder of Sustainable Waste Management of nations; in this paper, the latter has also been used to compare the waste management status of the fifty states of the Union. This paper also describes how the European Union has directed that thermally efficient treatment of MSW is equivalent to recycling. The rapid growth of WTE in this century is exemplified by the hundreds of new WTE plants that have been built or are under construction, most with, government assistance as in the case of other essential infrastucture. The need for concerted action by concerned scientists and engineers around the world has led to the formation of the Global WTERT Council. By now there are sister organizations of EEC and WTERT in Brazil, Canada, China, France, Germany, Greece (SYNERGIA) and Japan. Others are being formed in other countries.
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Quade, Ulrich, Thomas Kluth y Rainer Kreh. "Melting of Low-Level Radioactive Non-Ferrous Metal for Release". En The 11th International Conference on Environmental Remediation and Radioactive Waste Management. ASMEDC, 2007. http://dx.doi.org/10.1115/icem2007-7036.

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Siempelkamp Nukleartechnik GmbH has gained lots of experience from melting ferrous metals for recycling in the nuclear cycle as well as for release to general reuse. Due to the fact that the world market prices for non-ferrous metals like copper, aluminium or lead raised up in the past and will remain on a high level, recycling of low-level contaminated or activated metallic residues from nuclear decommissioning becomes more important. Based on the established technology for melting of ferrous metals in a medium frequency induction furnace, different melt treatment procedures for each kind of non-ferrous metals were developed and successfully commercially converted. Beside different procedures also different melting techniques such as crucibles, gas burners, ladles etc. are used. Approximately 340 Mg of aluminium, a large part of it with a uranium contamination, have been molten successfully and have met the release criteria of the German Radiation Protection Ordinance. The experience in copper and brass melting is based on a total mass of 200 Mg. Lead melting in a special ladle by using a gas heater results in a total of 420 Mg which could be released. The main goal of melting of non-ferrous metals is release for industrial reuse after treatment. Especially for lead, a cooperation with a German lead manufacturer also for recycling of non releasable lead is being planned.
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Constantinescu, Rodica Roxana, Gabriel Zainescu y Iulia Caniola. "Smart biopolymers from protein wastes used in agriculture". En The 8th International Conference on Advanced Materials and Systems. INCDTP - Leather and Footwear Research Institute (ICPI), Bucharest, Romania, 2020. http://dx.doi.org/10.24264/icams-2020.iv.4.

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The area of interest is the synthesis and study of properties of new types of hydrogels made from pelt waste, in order to recover waste from tanneries. The complex aspects related to protein projects in the leather industry are addressed by accurately determining a chemical composition, a skin designer and a different possibility of recovery and claiming a value, the use of biotechnology. The complex aspects related to protein waste in the leather industry are addressed by accurately determining the chemical composition of leather waste and the different possibilities of recovery and recycling using biotechnology. The technologies used in order to obtain a smart hydrogel based on collagen and natural polymers are non-polluting and waste-free. An important aspect to note is that the smart hydrogel is obtained through an almost identical technological process to the one used for medical collagen. An extensive study of the potential for reuse and recycling of leather protein waste in ecological conditions by developing innovative procedures for obtaining an NPK collagen matrix to be used successfully as smart fertilizer for modifying nutrient-poor soils. Hydrogels with collagen structure are characterized by a high-performance instrumental analysis system (FT-IR-ATR, SEM, EDAX, etc.).
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Gundupalli Paulraj, Sathish, Subrata Hait y Atul Thakur. "Automated Municipal Solid Waste Sorting for Recycling Using a Mobile Manipulator". En ASME 2016 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/detc2016-59842.

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Municipal solid waste (MSW), generated at an unprecedented rate due to rapid urbanization and industrialization contains useful recyclable materials like metals, plastic, wood, etc. Recycling of useful materials from MSW in the developing countries is severely constrained by limited door-to-door collection and poor means of segregation. Recovery of recyclables is usually performed by waste pickers, which is highly risky and hazardous for their health. This paper reports the development of a robotic mobile manipulation system for automated sorting of useful recyclables from MSW. The developed robot is equipped with a thermal imaging camera, proximity sensor and a 5-DOF robotic arm. This paper presents an approach for sorting based on automated identification from thermographic images. The developed algorithm extracts keypoint features from the thermographic image and feeds into clustering model to map them into a bag-of-word vectors. Finally, Support Vector Machine (SVM) classifier is used for identifying the recyclable material. We used the developed algorithm to detect three categories of recyclables namely, aluminum can, plastic bottle and tetra pack from given thermographic images. We obtained classification rate of 94.3% in the tests. In future, we plan to extend the developed approach for classifying a wider range of recyclable objects as well as to incorporate motion planning algorithms to handle cluttered environments.
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Urozhaeva, Tatiana. "The Problem of Storage and Disposal of Industrial Waste in the Irkutsk Region in the 1990–2010s". En Irkutsk Historical and Economic Yearbook 2021. Baikal State University, 2021. http://dx.doi.org/10.17150/978-5-7253-3040-3.31.

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In the 1990–2010s in the region, measures were taken to increase the volume of waste processing of large industrial enterprises. However, the following problems remained unresolved: lack of funding, outdated recycling technologies, lack of attention from regional and federal authorities. There were also positive steps. In particular, the disposal of hazardous waste was started at enterprises where this has not happened for a long time (according to Usolekhimprom, Baikal Pulp and Paper Mill, Angarsk Metallurgical Plant, etc.). Huge volumes of ash and slag materials and waste from the timber processing industry were used.
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Meyboom, Annalisa y Kaia Nielson-Roine. "Seven Generations for Wood". En 112th ACSA Annual Meeting. ACSA Press, 2024. http://dx.doi.org/10.35483/acsa.am.112.7.

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While there is much interest from both the construction industry and government to develop new pathways for salvaging and recycling wood products there has not been significant movement in imple-menting large scale wood recycling initiatives. Despite having one of the strictest recycling programs in the country, the city of Vancouver still a significant construction and demolition (C&D) waste problem. The Zero Waste Policies from Metro Vancouver Municipalities has allowed 78% (1.3 million tonnes) of all waste streams to be diverted from regional landfills, but wood C&D waste (31% of all C&D waste) still largely ends up in the landfill.1,2 Given that about 57% of new buildings in Vancouver are light-wood type buildings and the Vancouver Landfill is slated to be decommissioned in 2037, the city needs a strategy to divert these large volumes of wood from being landfilled.3 This proj-ect presents a method to recycle salvaged wood from deconstructed light-wood buildings and use those materials in new deconstructa-ble assemblies. Common wood waste such as dimensional lumber, plywood, oriented strand board (OSB), laminated strand lumber (LSL),and laminated veneer lumber(LVL) can be recycled into new wood products including finger-jointed lumber, OSB, OSB/LSL or Plywood/LVL crosslam tiles, and wood fibre insulation. Typical light- wood frame construction can then be altered to incorporate these recycled materials and to facilitate deconstruction and further reuse. This project proposes that with proper recycling infrastructure and construction practices the value of wood extracted from the urban environment can be maintained across multiple generations of build-ings creating a true circular economy of wood materials.
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Informes sobre el tema "Recycling (waster, etc.)"

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Ducci, Jorge, Alvaro Fisher y Mauricio Arredondo. Regional Review of Economic Instruments for Solid Waste Management in Latin America and the Caribbean: The Regional Situation and Case Studies about the Private Participation in Santiago and Recycling. Inter-American Development Bank, febrero de 2003. http://dx.doi.org/10.18235/0012206.

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The purpose of this document is to present a brief summary of the economic instruments in use for solid waste management in the region and to present two case studies of such use in Chile. These case studies refer to the industrial organization for the collection and disposal of residential solid waste in the city of Santiago and the development of a collection and recycling scheme in the Municipality of La Reina, in Santiago. This document presents, as a frame of reference based on the available bibliography, the main aspects related to the reality of solid waste management in Latin America. On this basis, we comment on the economic instruments that could theoretically be used to improve the usual problems of low coverage, poor service quality, pollution, etc., currently being observed in the region.
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Rao, Nitya, Sheetal Patil, Maitreyi Koduganti, Chandni Singh, Ashwin Mahalingam, Prathijna Poonacha y Nishant Singh. Sowing Sustainable Cities: Lessons for Urban Agriculture Practices in India. Indian Institute for Human Settlements, 2023. http://dx.doi.org/10.24943/ssc12.2022.

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Despite growing interest and recognition of urban and peri-urban agriculture (UPA) as a nature- based solution, there is limited empirical evidence in countries like India on its role in reconfiguring goals on environmental functions (such as biodiversity, waste management, water recycling, micro-climate regulation, etc.) and social wellbeing (such as food and nutrition security, gender relations, work burdens, land tenure and community ties). A need to address this gap led to the ideation of the project ‘Urban and peri-urban agriculture as green infrastructures’ ( UPAGrI ). When UPAGrI started in 2019, the research on UPA in India was thin but growing. However, the practical experience of urban farming across Indian cities is thriving and diverse, built on decades of bottom-up experimentation. Within the landscape of our ever-changing cities, we found vibrant communities-of-practice sharing seeds and knowledge, engaged online influencers discussing composting and water reuse, and stories of farming becoming sites of multi-generational bonding and nutritional security. This compendium is a collection of 29 such innovative UPA practices from across the different cities in the country. These diverse case studies are loosely categorized into four themes: environment and sustainability; food, nutrition and livelihood; gender and subjective well-being; and urban policy and planning. Written mostly by practitioners themselves, the case studies collectively recognise and celebrate UPA innovations and practices, serving as a repository of lessons for peer-to-peer learning, and demonstrating how UPA can be one of the many solutions towards sustainable, liveable Indian cities.
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Rao, Nitya. Sowing Sustainable Cities: Lessons for Urban Agriculture Practices in India. Indian Institute for Human Settlements, 2023. http://dx.doi.org/10.24943/ssc12.2023.

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Despite growing interest and recognition of urban and peri-urban agriculture (UPA) as a nature- based solution, there is limited empirical evidence in countries like India on its role in reconfiguring goals on environmental functions (such as biodiversity, waste management, water recycling, micro-climate regulation, etc.) and social wellbeing (such as food and nutrition security, gender relations, work burdens, land tenure and community ties). A need to address this gap led to the ideation of the project ‘Urban and peri-urban agriculture as green infrastructures’ ( UPAGrI ). When UPAGrI started in 2019, the research on UPA in India was thin but growing. However, the practical experience of urban farming across Indian cities is thriving and diverse, built on decades of bottom-up experimentation. Within the landscape of our ever-changing cities, we found vibrant communities-of-practice sharing seeds and knowledge, engaged online influencers discussing composting and water reuse, and stories of farming becoming sites of multi-generational bonding and nutritional security. This compendium is a collection of 29 such innovative UPA practices from across the different cities in the country. These diverse case studies are loosely categorized into four themes: environment and sustainability; food, nutrition and livelihood; gender and subjective well-being; and urban policy and planning. Written mostly by practitioners themselves, the case studies collectively recognise and celebrate UPA innovations and practices, serving as a repository of lessons for peer-to-peer learning, and demonstrating how UPA can be one of the many solutions towards sustainable, liveable Indian cities.
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Rezaie, Shogofa, Fedra Vanhuyse, Karin André y Maryna Henrysson. Governing the circular economy: how urban policymakers can accelerate the agenda. Stockholm Environment Institute, septiembre de 2022. http://dx.doi.org/10.51414/sei2022.027.

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We believe the climate crisis will be resolved in cities. Today, while cities occupy only 2% of the Earth's surface, 57% of the world's population lives in cities, and by 2050, it will jump to 68% (UN, 2018). Currently, cities consume over 75% of natural resources, accumulate 50% of the global waste and emit up to 80% of greenhouse gases (Ellen MacArthur Foundation, 2017). Cities generate 70% of the global gross domestic product and are significant drivers of economic growth (UN-Habitat III, 2016). At the same time, cities sit on the frontline of natural disasters such as floods, storms and droughts (De Sherbinin et al., 2007; Major et al., 2011; Rockström et al., 2021). One of the sustainability pathways to reduce the environmental consequences of the current extract-make-dispose model (or the "linear economy") is a circular economy (CE) model. A CE is defined as "an economic system that is based on business models which replace the 'end-of-life' concept with reducing, alternatively reusing, recycling and recovering materials in production/distribution and consumption processes" (Kirchherr et al., 2017, p. 224). By redesigning production processes and thereby extending the lifespan of goods and materials, researchers suggest that CE approaches reduce waste and increase employment and resource security while sustaining business competitiveness (Korhonen et al., 2018; Niskanen et al., 2020; Stahel, 2012; Winans et al., 2017). Organizations such as the Ellen MacArthur Foundation and Circle Economy help steer businesses toward CE strategies. The CE is also a political priority in countries and municipalities globally. For instance, the CE Action Plan, launched by the European Commission in 2015 and reconfirmed in 2020, is a central pillar of the European Green Deal (European Commission, 2015, 2020). Additionally, more governments are implementing national CE strategies in China (Ellen MacArthur Foundation, 2018), Colombia (Government of the Republic of Colombia, 2019), Finland (Sitra, 2016), Sweden (Government Offices of Sweden, 2020) and the US (Metabolic, 2018, 2019), to name a few. Meanwhile, more cities worldwide are adopting CE models to achieve more resource-efficient urban management systems, thereby advancing their environmental ambitions (Petit-Boix & Leipold, 2018; Turcu & Gillie, 2020; Vanhuyse, Haddaway, et al., 2021). Cities with CE ambitions include, Amsterdam, Barcelona, Paris, Toronto, Peterborough (England) and Umeå (Sweden) (OECD, 2020a). In Europe, over 60 cities signed the European Circular Cities Declaration (2020) to harmonize the transition towards a CE in the region. In this policy brief, we provide insights into common challenges local governments face in implementing their CE plans and suggest recommendations for overcoming these. It aims to answer the question: How can the CE agenda be governed in cities? It is based on the results of the Urban Circularity Assessment Framework (UCAF) project, building on findings from 25 interviews, focus group discussions and workshops held with different stakeholder groups in Umeå, as well as research on Stockholm's urban circularity potential, including findings from 11 expert interviews (Rezaie, 2021). Our findings were complemented by the Circular Economy Lab project (Rezaie et al., 2022) and experiences from working with municipal governments in Sweden, Belgium, France and the UK, on CE and environmental and social sustainability.
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