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Journal articles on the topic 'Waste treatment'

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Author: Grafiati

Published: 4 June 2021

Last updated: 21 February 2023

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1

Dani Alsyah, Anang, Adriani Darmawati, and Sumarsono Sumarsono. "Respon pertumbuhan dan produksi tanaman Pakchoy (Brassica chinensis L.) akibat pemberian berbagai pupuk limbah organik." Journal of Agro Complex 2, no. 1 (February 25, 2018): 59. http://dx.doi.org/10.14710/joac.2.1.59-67.

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The purpose of this study was to determine the effect of fertilizer application types such as wasted tea fertilizer, leaf litter fertilizer, and market wasted fertilizer on growth and yield of pakchoy mustard. The experimental design was Mono factorial Complete Randomized Design with 8 treatments and 3 replications. The treatments were without fretilization (A0), Tea Wasted fertilizer (A1), Leaf Litter fertilizer (A2), Market Wasted fertilizer (A3), Tea Wasted fertilizer + leaf litter fertilizer (A4), Tea Wasted fertilizer + Market Wasted fertilizer (A5), leaf litter fertilizer + Market Wasted fertilizer (A6), Urea fertilizer 300 kg/ha (A7). Each treatment was replicated in three times and produced 24 experimental units with experimental plots area of 1 m x 1.5 m. The observed parameters were plant height, number of leaves, leaf area index and fresh canopy production. Data were analyzed by Analysis of Variance and continuedby Duncan Multiple Range Test (DMRT) 5%. The results showed that fertilizer treatment of various types of organic waste fertilizer Tea Wasted fertilizer, Leaf Litter fertilizer, Market Wasted fertilizer, Tea Wasted fertilizer + leaf litter fertilizer, Tea Wasted fertilizer + Market Wasted fertilizer, leaf litter fertilizer + Market Wasted fertilize resulted in plant height, number of leaves, fresh leaf canopy production significantly different from treatment without fertilization and urea fertilization. The best result of fresh canopy production was found in the treatment of market waste fertilizer weighing 2,778.47 g / m², the fertilizer application of market waste fertilizer and the combination treatment of tea and market waste fertilizer yielded the best plant height with 31.16 cm, the combination treatment of waste fertilizer Tea and market produces the best leaves as much as 12.44 leaflets, and fertilizer treatment of tea waste fertilizer, market waste fertilizer, tea waste fertilizer + market waste fertilizer, and leaf litter fertilizer + market waste fertilizer yield value index of leaf area 1.23. Keywords : Organic Fertilizer, Organic Wasted Fertilizer, Pakchoy

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2

Ismail, Norasyikin, and Farid Nasir Ani. "Solid Waste Management and Treatment in Malaysia." Applied Mechanics and Materials 699 (November 2014): 969–74. http://dx.doi.org/10.4028/www.scientific.net/amm.699.969.

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A huge amount of solid wastes are generated daily in Malaysia. A staggering amount of municipal solid waste (MSW) is produced by one person daily in both urban and rural areas. Apart from these there would also be wastes that come from sewage sludge, industrial waste, agricultural waste, and clinical waste. Statistics of waste generated in Malaysia from each sector mention is presented in this paper. As the population of the country keep expanding, so does the generation of solid waste. However, we could take advantage of the situation by converting these wastes into syngas; which is known to be potentially capable in replacing natural gas for industrial and consumer’s energy application. In addition, existing treatment and processing of biomass and solid fuels such as coal has been widely used in industrial scales to generate electricity. Treatment of solid waste is one of many ways to manage this massive amount of solid waste generated.

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3

Ranalli, A. "Microbiological treatment of oil mill waste waters." Grasas y Aceites 43, no. 1 (February 28, 1992): 16–19. http://dx.doi.org/10.3989/gya.1992.v43.i1.1191.

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4

Glass, David J. "Waste Management: Biological Treatment of Hazardous Wastes." Environment: Science and Policy for Sustainable Development 33, no. 9 (November 1991): 5–45. http://dx.doi.org/10.1080/00139157.1991.9933177.

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5

Nieminen, Matti, Markus Olin, Jaana Laatikainen-Luntama, Stephen M. Wickham, Slimane Doudou, Adam J. Fuller, Jenny Kent, et al. "Thermal treatment for radioactive waste minimisation." EPJ Nuclear Sciences & Technologies 6 (2020): 25. http://dx.doi.org/10.1051/epjn/2019040.

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Safe management of radioactive waste is challenging to waste producers and waste management organisations. Deployment of thermal treatment technologies can provide significant improvements: volume reduction, waste passivation, organics destruction, safety demonstration facilitation, etc. The EC-funded THERAMIN project enables an EU-wide strategic review and assessment of the value of thermal treatment technologies applicable to Low and Intermediate Level waste streams (ion exchange media, soft operational waste, sludges, organic waste, and liquids). THERAMIN compiles an EU-wide database of wastes, which could be treated by thermal technologies and documents available thermal technologies. Applicability and benefits of technologies to the identified waste streams will be evaluated through full-scale demonstration tests by project partners. Safety case implications will also be assessed through the study of the disposability of thermally treated waste products. This paper will communicate the strategic aims of the ongoing project and highlight some key findings and results achieved to date.

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6

Dobilaitė, Vaida, Milda Ališauskienė, and Virginija Sacevičienė. "Study of Textile Waste Generation and Treatment in Lithuania." Fibres and Textiles in Eastern Europe 25 (December 31, 2017): 8–13. http://dx.doi.org/10.5604/01.3001.0010.5360.

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The constantly encouraged worldwide production and consumption of textile products is leading to an increase in wastes, which causes environmental problems. This research is aimed at identifying the present state of textile waste generation and treatment in Lithuania and compare the trends obtained with other EU countries. The investigation is based on statistical data of textile waste generation and management from 2009 to 2014 in Lithuania. Municipal textile wastes and those from the leather, fur and textile industries as well as other fields of this kind of waste generation were taken for analysis. On average, 6500 tonnes per year of total textile waste was generated during the period analysed. According to these data, Lithuania is in a middle position in comparison with other EU countries. A significant growth in the collection of municipal wastes is observed. From 2012, pre-consumer textile waste amounts to on average 32 percent of the total textile waste collected. The dominant practice of treatment was disposal in landfills, but an increasing tendency to recycle textile waste was observed. Nevertheless a great deal more effort should be made to promote the prevention of waste production and to achieve the average EU waste management indicators.

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7

Holt, Erika, Maria Oksa, Matti Nieminen, Abdesselam Abdelouas, Anthony Banford, Maxime Fournier, Thierry Mennecart, and Ernst Niederleithinger. "Predisposal conditioning, treatment, and performance assessment of radioactive waste streams." EPJ Nuclear Sciences & Technologies 8 (2022): 40. http://dx.doi.org/10.1051/epjn/2022036.

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Before the final disposal of radioactive wastes, various processes can be implemented to optimise the waste form. This can include different chemical and physical treatments, such as thermal treatment for waste reduction, waste conditioning for homogenisation and waste immobilisation for stabilisation prior to packaging and interim storage. Ensuring the durability and safety of the waste matrices and packages through performance and condition assessment is important for waste owners, waste management organisations, regulators and wider stakeholder communities. Technical achievements and lessons learned from the THERAMIN and PREDIS projects focused on low- and intermediate-level waste handling is shared here. The recently completed project on Thermal Treatment for Radioactive Waste Minimization and Hazard Reduction (THERAMIN) made advances in demonstrating the feasibility of different thermal treatment techniques to reduce volume and immobilise different streams of radioactive waste (LILW) prior to disposal. The Pre-Disposal Management of Radioactive Waste (PREDIS) project addresses innovations in the treatment of metallic materials, liquid organic waste and solid organic waste, which can result from nuclear power plant operation, decommissioning and other industrial processes. The project also addresses digitalisation solutions for improved safety and efficiency in handling and assessing cemented-waste packages in extended interim surface storage.

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8

Kumar Das, Chandan. "Bio-Detoxification Treatment of Waste Water Containing Cadmium." International Journal of Engineering and Technology 4, no. 1 (2012): 72–75. http://dx.doi.org/10.7763/ijet.2012.v4.321.

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9

S.Mahima, S. Mahima. "Environmentally Sound Electronic Waste Treatment Technologies - An Analysis." Global Journal For Research Analysis 3, no. 5 (June 15, 2012): 21–24. http://dx.doi.org/10.15373/22778160/may2014/9.

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10

Liu, Jianquan, and Wentai Dai. "Overview of nuclear waste treatment and management." E3S Web of Conferences 118 (2019): 04037. http://dx.doi.org/10.1051/e3sconf/201911804037.

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Nuclear energy is an efficient energy source. Nuclear fuel has the advantages of high energy density and convenient transportation and storage. After decades of tortuous development, nuclear energy has been well utilized in many ways, especially in the field of nuclear power generation. However, as the number of nuclear power plants continues to increase, the problem of nuclear waste disposal is becoming more and more serious. Nuclear waste disposal is a complex process. For nuclear waste treatment, people initially only temporarily deposit these nuclear wastes or dump them directly. However, as people’s awareness of nuclear waste increases, and the huge potential threat of nuclear waste is known, it is necessary to analyze the current characteristics of nuclear waste and its pollution status in order to find a better nuclear waste treatment and management method.

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11

Ong, Siew-Teng, Pei-Sin Keng, Weng-Nam Lee, Sie-Tiong Ha, and Yung-Tse Hung. "Dye Waste Treatment." Water 3, no. 1 (February 16, 2011): 157–76. http://dx.doi.org/10.3390/w3010157.

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12

Đonlagić, Mirsad, Dalila Ivanković, and Fuad Ćatović. "Thermal Waste Treatment." Science, Art and Religion 1, no. 1 (May 6, 2022): 121–26. http://dx.doi.org/10.5005/jp-journals-11005-0012.

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13

Gómez-Brandón, María, and Sabine Marie Podmirseg. "Biological waste treatment." Waste Management & Research 31, no. 8 (July 22, 2013): 773–74. http://dx.doi.org/10.1177/0734242x13497685.

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14

Angell, E. "Pathogenic waste treatment." Environment International 23, no. 3 (1997): IX—X. http://dx.doi.org/10.1016/s0160-4120(97)88023-3.

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15

Estrada, V. E. E., and D. E. A. Hernández. "Treatment of piggery wastes in waste stabilization ponds." Water Science and Technology 45, no. 1 (January 1, 2002): 55–60. http://dx.doi.org/10.2166/wst.2002.0008.

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The piggery industry produces high effluent loads. This is due to the high concentration of animals kept in a confined space, foods with high protein content that are not well assimilated by the animals, and poor on-farm water management. In this study, we present the characteristics, design, site selection, soil study, and the construction of a pilot pond system for a family farm located in a warm climate area. The design includes a solids sedimentation phase, an anaerobic pond, a facultative pond and three maturation ponds. Once the system had reached steady state, the organic and bacterial kinetic constants were determined for each pond. The control parameters were determined and the dissolved oxygen and removal efficiency profiles were obtained. The results indicate that the effluent from the second maturation pond complies with the Official Mexican Standard for reuse in agriculture (≤1000 FC/100 ml).

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16

Karns, Jeffrey S. "Biotechnology for the Treatment of Pesticide Waste." HortScience 31, no. 4 (August 1996): 699c—699. http://dx.doi.org/10.21273/hortsci.31.4.699c.

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The use of microbes and/or microbial processes for the bioremediation of soils contaminated with pesticides is an idea that has enjoyed considerable interest over the past several years. Many microbes with specific pathways for the degradation of particular pesticides, or classes of pesticide, have been isolated and characterized. Unfortunately, most sites that are heavily contaminated with pesticides contain a mixture of the many different types of pesticides that have been used over the last 5 decades. This complex mixture of compounds may inhibit microbial degradation or may require multiple treatments to assure that all the chemicals are degraded. Treatment of wastes before they contaminate the environment is one way to avoid the problems associated with mixed wastes. We have isolated a number of microorganisms that detoxify insecticides, such as carbaryl of parathion via the action of hydrolase enzymes. These enzymes can be used to treat waste pesticide solutions before disposal. A system was developed for the disposal of one high-volume organophosphate insecticide waste by treatment with parathion hydrolase, followed by ozonation to yield harmless products that were readily degraded by other soil microorganisms. A second method for disposal of this waste involves altering the environmental conditions in the waste to stimulate the growth of microorganisms naturally present in the material utilizing the pesticide as a carbon source. This accomplishes degradation of the material over a 2-week period. Many, if not all, pesticides are degradable to some degree by microorganisms, and this fact can be exploited to provide cost-effective methods for the safe disposal of pesticide wastes.

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17

Choi, Hyeong-Jin, Yong Choi, and Seung-Whee Rhee. "A new concept of advanced management of hazardous waste in the Republic of Korea." Waste Management & Research 37, no. 11 (August 13, 2019): 1153–60. http://dx.doi.org/10.1177/0734242x19865337.

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In order to activate the recycling of hazardous wastes, the hazardous characteristics of wastes should be removed or stabilized. However, most recyclers in recycling companies do not understand how to remove the hazardous characteristics in wastes with the proper technology. The aim of a new form of advanced management of hazardous waste is to inform recyclers and operators in industries about hazardous characteristics and the treatment methods required for all management processes, from waste generation to final treatment. In a new method of advanced management of hazardous wastes, chemicals in the waste should be initially examined at the generation source in each industry to create a chemical catalogue. Since hazardous characteristics can be determined by a chemical catalogue obtained from the waste, the hazardous characteristics of wastes can be established and considered when choosing the proper treatment method. Then, the categories of waste treatment methods for each hazardous characteristic can be introduced for generators to treat hazardous wastes properly. Therefore, it is possible to create a link between the source and the final treatment of hazardous wastes using a new concept of industry (In), waste (W), hazardous chemicals and their hazardous characteristics (Ha) and treatment methods (T). This new concept of the “InWhat” system, which includes all management processes in Korea, from waste generation to final treatment, will be proposed as a tool in the advanced management of hazardous wastes.

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18

AMIMOTO, Hirotaka, and Tetsuo KIMURA. "Waste incineration. Treatment technology of waste residue." Journal of Environmental Conservation Engineering 27, no. 3 (1998): 214–20. http://dx.doi.org/10.5956/jriet.27.214.

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19

YASUDA, Kenji. "Waste incineration. Optimizations in waste treatment system." Journal of Environmental Conservation Engineering 27, no. 3 (1998): 226–29. http://dx.doi.org/10.5956/jriet.27.226.

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20

Habib, MA, R. Khatun, and MS Hossen. "Impact of organic wastes on soil environment and yield of T-aman rice." Progressive Agriculture 26, no. 2 (December 15, 2015): 122–28. http://dx.doi.org/10.3329/pa.v26i2.25966.

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Organic wastes are rich in nutrients that can improve soil fertility and enhance crop yield. A study was conducted at the experimental field of Department of Environmental Science, Bangladesh Agricultural University, Mymensingh during July-December 2014 to examine the effect of different organic wastes on soil quality and rice yield. The experiment was laid out in a randomized complete block design (RCBD) taking five treatments with three replications. The treatments were: T1 (recommended chemical fertilizers), T2 (50% farm waste + 50% poultry manure), T3 (50% poultry manure + 50% municipal solid waste), T4(50% cowdung + 50% farm waste) and T5 (50% farm waste+25% poultry manure +25% cow dung). All wastes were applied at one time after final land preparation and before 15 days of rice (BRRI dhan 49) transplanting. Minimum and maximum soil moisture content was 26.16% and 30.83% recorded at T1 and T2 treatments and that of pH values were 5.26 and 5.93 at T3and T4 treatments, respectively. Incase of soil nutrient content, organic matter, N and S content was highest in T2 treatment and P and K contents were highest in T4 treatment whereas lowest values were observed in T1 treatment. Pb and Cd contents were highest at T5 treatment and lowest at T1 treatment. However, the values of Pb and Cd were below the permissible limit for agricultural soil. The highest grain yield (4.72 t ha-1) was recorded in T4 treatment and the lowest grain yield (3.87 t ha-1) was observed in T1 treatment. Considering crop yield and soil properties, treatment T4 was better compared to other treatments. The present study clearly indicated that the quality of soil and yield increased due to the application of organic waste compared to chemical fertilizer.Progressive Agriculture 26 (2): 122-128, 2015

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21

Sazan, Mohammed, and Farhan Salah. "Hospital hazardous waste management: Treatment, storage and disposal." Reciklaza i odrzivi razvoj 15, no. 1 (2022): 41–60. http://dx.doi.org/10.5937/ror2101043a.

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Rapid population growth, industrialization, and growth of demand for raw materials for industrial and medical production result in generating a huge amount of hazardous waste. Hazardous waste is identified by its toxicity, flammability, and radioactivity characteristics. Disposing hazardous waste into the natural environment has a significant impact on health and all living things in the environment. Nowadays, numerous hospitals and industrial places generate a large amount of hazardous waste. The objective of this study is to evaluate the management system of hazardous hospital waste in Erbil city. Additionally, the focus is on hazardous hospital waste management and characterizations and situation of the waste in Erbil city as well. The generation rate of hazardous wastes from hospitals in Erbil city was collected for 12 months from 2015 to 2020. The results showed that the highest amount of medical hazardous waste was generated in 2019. Moreover, the number of onsite incineration centres should be increased to reduce the cost of storage and transportation.

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22

Tanguay-Rioux, Fabrice, Robert Legros, and Laurent Spreutels. "Particle size analysis of municipal solid waste for treatment process modeling." Waste Management & Research: The Journal for a Sustainable Circular Economy 38, no. 7 (May 5, 2020): 783–91. http://dx.doi.org/10.1177/0734242x20918007.

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Several unit operations used in municipal solid waste (MSW) processing facilities are based on physical properties of the waste materials, such as particle size, density and shape. Reliable expressions describing particle size distribution (PSD) of the different waste components present in MSW are not readily available in the context of process modeling. In this study, the characterization data for household wastes and construction and demolition (C&D) wastes were analysed with the purpose of selecting the most representative PSD expression for these waste streams. The Rosin–Rammler distribution was identified over the log-normal and the gamma distributions as the best-fitting PSD for the waste samples. This was demonstrated for both raw and processed waste samples. Parameters were derived and validated for every category of MSW materials considered in the characterization. A model for mixed household waste PSD was developed based on the summation of Rosin–Rammler expressions corresponding to each category of waste materials, as the composition was determined to be the main factor influencing particle size. A simplified model was also derived for mixed waste as a bimodal distribution since two main modes were observed in household waste – one for the “organic” fraction and one for the “inorganic” fraction.

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23

Shin, I. K. C. "The Situation and the Problems of Hazardous Waste Treatment in Germany." Water Science and Technology 26, no. 1-2 (July 1, 1992): 31–40. http://dx.doi.org/10.2166/wst.1992.0383.

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Yearly 4 900 000 tons of hazardous waste are generated in West Germany. The Germany Waste Disposal Act regulates not only the import and the export, but also the transit of wastes. Also avoidance of waste generation and recycling of wastes are emphasized by the act. To reduce waste amounts the collected wastes are treated preliminarily by chemical, physical and biological methods. 740 000 tons of hazardous waste are combusted annually in 27 incineration plants. 18 additional incineration plants are planned. Disposal of diluted acids in the North Sea was completely stopped by the end of 1989. Chlorinated hydrocarbons were burned on a German incineration ship. This was stopped in 1989. The most usual disposal process is the sanitary landfill. Rainfall results in water and soil pollution caused by leachates. A roof above the landfill could eliminate the generation of leachates. The safest disposal is the deep underground deposition in salt domes.

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24

Ahring, B. K., I. Angelidaki, and K. Johansen. "Anaerobic Treatment of Manure Together with Industrial Waste." Water Science and Technology 25, no. 7 (April 1, 1992): 311–18. http://dx.doi.org/10.2166/wst.1992.0163.

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A joint large-scale biogas plant treats animal manure together with organic industrial and household solid waste and produces biogas and organic fertilizers. In the presentation we will discuss the importance of combined treatment of manure and organic waste. Furthermore, data will be shown on the effects of addition of lipid- and protein- containing wastes to thermophilic digesters treating cattle manure.

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25

Giakoumakis, Georgios, Dorothea Politi, and Dimitrios Sidiras. "Medical Waste Treatment Technologies for Energy, Fuels, and Materials Production: A Review." Energies 14, no. 23 (December 2, 2021): 8065. http://dx.doi.org/10.3390/en14238065.

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The importance of medical waste management has grown during the COVID-19 pandemic because of the increase in medical waste quantity and the significant dangers of these highly infected wastes for human health and the environment. This innovative review focuses on the possibility of materials, gas/liquid/solid fuels, thermal energy, and electric power production from medical waste fractions. Appropriate and promising treatment/disposal technologies, such as (i) acid hydrolysis, (ii) acid/enzymatic hydrolysis, (iii) anaerobic digestion, (vi) autoclaving, (v) enzymatic oxidation, (vi) hydrothermal carbonization/treatment, (vii) incineration/steam heat recovery system, (viii) pyrolysis/Rankine cycle, (ix) rotary kiln treatment, (x) microwave/steam sterilization, (xi) plasma gasification/melting, (xii) sulfonation, (xiii) batch reactor thermal cracking, and (xiv) torrefaction, were investigated. The medical waste generation data were collected according to numerous researchers from various countries, and divided into gross medical waste and hazardous medical waste. Moreover, the medical wastes were separated into categories and types according to the international literature and the medical waste fractions’ percentages were estimated. The capability of the examined medical waste treatment technologies to produce energy, fuels, and materials, and eliminate the medical waste management problem, was very promising with regard to the near future.

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26

M. Faisal. "ANALISIS LAJU ALIR SAMPAH DAN EMISI CARBON YANG DIHASILKAN KOTA BANDA ACEH." Jurnal Teknik Kimia USU 3, no. 4 (January 8, 2015): 6–11. http://dx.doi.org/10.32734/jtk.v3i4.1646.

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This research aims to analyze the material flow of solid waste of Banda Aceh city by using Material Flow Analysis (MFA) method. The domestic wastes used in this research are limited to organic waste, plastic and paper. Results show that the solid wastes in Banda Aceh city do not treated well and thus required further treatment process. Wastes are separated at the kampong Jawa waste treatment process. Leaves waste are treated for compost, while no treatment process for plastic and paper wastes. The percentage of organic wastes, paper and plastic produced from Banda Aceh city were 89,1 %; 2,5 %; 0,74 %, respectively. Total amount of waste in the city of Banda Aceh is 86057,64 t/month producing carbon emission of 83726,6 t/month.

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Koenig, A., and W. C. Yiu. "Waste management in Hong Kong abattoirs." Water Science and Technology 40, no. 1 (July 1, 1999): 379–87. http://dx.doi.org/10.2166/wst.1999.0070.

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This paper reports the results of an extensive investigation on the waste management in Hong Kong abattoirs with the following objectives: (i) to identify the existing waste management practices in relation to sources and quantity of wastes generated, methods of storage and handling of wastes, any in-house treatment, and final disposal of wastes, (ii) to identify the problems of existing waste management practices, and (iii) to evaluate the future development. To obtain up-to-date data and reliable information, site visits were conducted and the management of the abattoirs were interviewed in detail about the operation and waste management practices. For each abattoir and one associated by-product plant, detailed material balances were established for liquid and solid wastes. Complete quantitative results on waste loads, water consumption and material/waste flows are presented. Operational problems regarding wastewater treatment, as well as waste reduction and potential for reuse or recycle of solid wastes are discussed in the context of Hong Kong. Finally, information on the proposed new slaughterhouse (design capacity 5000 pigs and 400 cattle daily) is provided which will include a novel underground wastewater treatment plant.

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Bellopede, Rossana, Lorena Zichella, and Paola Marini. "Glass Waste3: A Preliminary Study for a New Industrial Recovery Processing." Sustainability 12, no. 5 (March 5, 2020): 1997. http://dx.doi.org/10.3390/su12051997.

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In recent times, the selection and treatment of glass waste are implemented in processing plants where a secondary raw material (SRM) named glass cullet, which is suitable for glass production, and a waste containing a high percentage of glass (glass waste2) is obtained. In the literature, there are many studies conducted on the recovery of the cullet, while few are the studies on the recovery of the waste that is produced by cullet processing. According to the 2013 Joint Research Centre (JRC) Reference report, the cullet produces savings in terms of energy and raw materials. However, it has a high current cost and its availability is becoming difficult, therefore its use is not always economically advantageous. The goal and strategy of the European Union is zero waste. For this purpose, further treatment of glass waste has been investigated. Through the industrial treatment of the glass waste2, a glass waste3 constituted again by an SRM made of glass is obtained together with a high quantity of presumed SRM (e.g., heavy plastic, corks, iron, non-ferrous metals, etc.). The process treatment separating these SRMs from the glass waste3 is, in this case, a pilot plant that needs to be optimized in order to reach an economic and sustainable industrial process solution. In particular, the materials to be recycled are exploitable product fractions with different particle sizes and physical properties (such as density, shape and resistance). This research is based on data collected from a North Italy process plant and is aimed at solving the issue of waste in this kind of process by implementing a pilot plant already present. Representative samples of feed material (glass waste3) and different products of the pilot plant have been analyzed. Moreover, laboratory tests were executed to improve separation efficiency and to valorize the different product fractions. A flow sheet of a new treatment plant has been developed and an economic evaluation has been made. The materials that will be separated in the new plant could be traded as SRM—e.g., plastics, metals, synthetic and cork stoppers—which constitute almost 90% of the total feed of the plant.

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Zhang, Qi Wu, and Fumio Saito. "Novel Waste Processing by Means of Mechanochemical Treatment." Materials Science Forum 561-565 (October 2007): 1569–73. http://dx.doi.org/10.4028/www.scientific.net/msf.561-565.1569.

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As the extension of mineral processing, recycling metals from wastes is very important for a sustainable society. We have been working on mechanochemistry and its engineering applications. One of the applications is to recover and separate useful components from different kinds of wastes emitted in our society. When a waste sample is subjected to grinding in air so called mechanical treatment, it changes its structure to disordered system, resulting in chemical reactions with other substances when it takes over the certain level of energy. Depending on the existing states of target elements in the wastes, mechanical activation and mechanochemical (MC) reaction can be applied for the recycling of useful compositions and a process based on MC treatment has been developed. We will report several examples from our research experiences at the conference. The first example is to recover rare earths from fluorescent powders in waste lamps. The waste is firstly subjected to dry grinding to cause amorphization of their structures. This amorphization makes it possible to dissolve the rare earths from the waste at high yield by leaching with mild acid solution at room temperature. Similar phenomenon can be seen in the case of ITO (indium tin oxide) scrap when it is ground, followed by leaching with acid solution. In this case, dry grinding the scrap induces disordering the In2O3 in the scrap, leading to high dissolution of In2O3 by leaching with weak acid solution at room temperature. The presence of alumina (α-Al2O3) in the scrap plays a significant role to the amorphization. Another advanced waste processing is to recover molybdenum (Mo), vanadium (V) and nickel (Ni) sulphide in catalysts in oil refineries. The processing is based on MC reactions between the sulphides and additives. That is, the sulphides are subjected to dry grinding with additives such as CaO, MnO2 and Na2CO3 to transform them into molybdate and vanadate. Subsequent water leaching allows us to recover Mo and V from the ground product. Other successful example is dry grinding metals or their oxides with polyvinyl chloride (PVC) to transform into chlorides, which dissolve easily in water at ambient condition. The waste processing described above is now in the investigation on industrial applications, and this is a great expectation in the field of industries which emit such waste materials.

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Vollprecht, Daniel, and Renato Sarc. "Special Issue on “Advanced Technology of Waste Treatment”." Processes 10, no. 2 (January 24, 2022): 217. http://dx.doi.org/10.3390/pr10020217.

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The protection of human health and the environment (representing the main reason for waste management), as well as the sustainable use of natural resources, requires chemical, biological, physical and thermal treatment of wastes [...]

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Yoon, Jeongyeon, Younghan Yoon, Sang Leen Yun, and Wontae Lee. "The Current State of Management and Disposal of Wastes Related to COVID-19 : A review." Journal of Korean Society of Environmental Engineers 43, no. 12 (December 31, 2021): 739–46. http://dx.doi.org/10.4491/ksee.2021.43.12.739.

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Abstract:

Objectives : This paper summarizes effective waste management and disposal methods for plastic and medical wastes during the prolonged COVID-19 pandemic.Methods : We reviewed the literatures reporting and identifying the current status and characteristics of wastes related to COVID-19, and the management and treatment guidelines for those wastes. We also investigated various technologies for waste treatment and disposal, and assessed the current status and future direction of the technologies in Korea.Results and Discussion : In the first half of 2020 in Korea, the amount of plastic waste produced had increased by 15.6% year-on-year, and medical waste production also increased significantly from 0.6 ton in January 2020 to 2,928 ton in August 2021. All of the infectious wastes are currently being incinerated in Korea, but there are concerns on air pollutant emissions and insufficient treatment facilities. Municipal solid waste also suffers from a lack of landfill capacity and low price competitiveness in the recycling industry.Conclusions : Policy and system need to be improved to reduce the infectious waste generation from the sources, and treatment and disposal technologies for produced wastes also need to be developed. Furthermore, hospitals and health care facilities should establish their own waste reducing systems which may include chemical treatment and sterilization units.

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NAKAMURA, Hiroshi. "Treatment of waste water." Jitsumu Hyomen Gijutsu 33, no. 8 (1986): 327–36. http://dx.doi.org/10.4139/sfj1970.33.327.

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TACHIKAWA, Hirotaka, Norio YOSHIMOTO, and Takuro KODAMA. "PCB Waste Treatment Programs." Journal of Japan Association on Odor Environment 36, no. 6 (2005): 331–38. http://dx.doi.org/10.2171/jao.36.331.

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Cha, Daniel K., Pei C. Chiu, Jae S. Chang, and Sang D. Kim. "Hazardous Waste Treatment Technologies." Water Environment Research 72, no. 6 (October 1, 2001): 1105–63. http://dx.doi.org/10.2175/106143000x138607.

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Khan, Eakalak, C. P. Huang, and Brian E. Reed. "Hazardous Waste Treatment Technologies." Water Environment Research 73, no. 6 (October 1, 2001): 1130–92. http://dx.doi.org/10.2175/106143001x143745.

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Khan, Eakalak, C. P. Huang, and Brian E. Reed. "Hazardous Waste Treatment Technologies." Water Environment Research 74, no. 6 (October 1, 2002): 903–89. http://dx.doi.org/10.2175/106143002x140648.

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Khan, Eakalak, C. P. Huang, and Brian A. Reed. "Hazardous Waste Treatment Technologies." Water Environment Research 75, no. 6 (October 1, 2003): 1106–229. http://dx.doi.org/10.2175/106143003x145273.

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Khan, Eakalak, C. P. Huang, and Brian E. Reed. "Hazardous Waste Treatment Technologies." Water Environment Research 76, no. 6 (September 2004): 1872–966. http://dx.doi.org/10.2175/106143004x145768.

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Khan, Eakalak, C. P. Huang, and Brian E. Reed. "Hazardous Waste Treatment Technologies." Water Environment Research 77, no. 6 (September 2005): 2144–243. http://dx.doi.org/10.2175/106143005x54560.

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Khan, Eakalak, C. P. Huang, and Brian E. Reed. "Hazardous Waste Treatment Technologies." Water Environment Research 78, no. 10 (September 2006): 1809–55. http://dx.doi.org/10.2175/106143006119422.

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Chen, Ye, and Jay J. Cheng. "Anaerobic Waste Treatment Processes." Water Environment Research 79, no. 10 (September 2007): 1430–50. http://dx.doi.org/10.2175/106143007x218430.

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Khan, Eakalak, Minghua Li, and C. P. Huang. "Hazardous Waste Treatment Technologies." Water Environment Research 79, no. 10 (September 2007): 1858–902. http://dx.doi.org/10.2175/106143007x218601.

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Khan, Eakalak, Minghua Li, and C. P. Huang. "Hazardous Waste Treatment Technologies." Water Environment Research 80, no. 10 (October 2008): 1654–708. http://dx.doi.org/10.2175/106143008x328770.

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Li, Minghua, and C. P. Huang. "Hazardous Waste Treatment Technologies." Water Environment Research 81, no. 10 (September 10, 2009): 1817–35. http://dx.doi.org/10.2175/106143009x12445568400377.

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Li, Minghua, Rovshan Mahmudov, and C. P. Huang. "Hazardous Waste Treatment Technologies." Water Environment Research 82, no. 10 (January 1, 2010): 1720–47. http://dx.doi.org/10.2175/106143010x12756668801770.

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Li, Minghua, Rovshan Mahmudov, and C. P. Huang. "Hazardous Waste Treatment Technologies." Water Environment Research 83, no. 10 (January 1, 2011): 1598–632. http://dx.doi.org/10.2175/106143011x13075599869894.

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Mahmudov, Rovshan Habil, and C. P. Huang. "Hazardous Waste Treatment Technologies." Water Environment Research 84, no. 10 (October 1, 2012): 1586–605. http://dx.doi.org/10.2175/106143012x13407275695517.

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Li, Minghua, Rovshan Mahmudov, and C. P. Huang. "Hazardous Waste Treatment Technologies." Water Environment Research 85, no. 10 (October 1, 2013): 1646–77. http://dx.doi.org/10.2175/106143013x13698672322705.

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Mahmudov, Rovshan, Minghua Li, and C. P. Huang. "Hazardous Waste Treatment Technologies." Water Environment Research 87, no. 10 (October 1, 2015): 1445–70. http://dx.doi.org/10.2175/106143015x14338845156029.

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Wang, Po Yen, Minghua Li, and C. P. Huang. "Hazardous Waste Treatment Technologies." Water Environment Research 88, no. 10 (October 1, 2016): 1467–86. http://dx.doi.org/10.2175/106143016x14696400495253.

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