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Dissertations / Theses on the topic 'Minimization of chemical waste'

Author: Grafiati

Published: 5 June 2025

Last updated: 1 August 2025

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1

af, Ugglas Samuel. "Waste diagnostic - A caste study of a company’s waste management." Thesis, KTH, Skolan för kemi, bioteknologi och hälsa (CBH), 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-279482.

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This case study of the waste management at a pharmaceutical company investigates the current situation and possible improvements for future work in terms of amount of waste generated, treatment methods and economy. The scope of the project was to assess all current waste streams from the everyday activities and find potential areas for improvement. Chemical/solvent waste have not been investigated thoroughly because of the complexity to make changes within the manufacturing processes. Waste generated during demolition and construction by external contractors have been excluded since it is not

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2

Henrique, Otavio Sperchi. "Residuo quimico gerado em laboratorios da UNICAMP : inventario e avaliação de seu gerenciamento." [s.n.], 2008. http://repositorio.unicamp.br/jspui/handle/REPOSIP/258160.

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Orientador: Egle Novaes Teixeira<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Engenharia Civil, Arquitetura e Urbanismo<br>Made available in DSpace on 2018-08-12T10:47:14Z (GMT). No. of bitstreams: 1 Henrique_OtavioSperchi_M.pdf: 3861292 bytes, checksum: 57038f1738bdb9fc7f880ec1bb3864df (MD5) Previous issue date: 2008<br>Resumo: O resíduo químico apresenta destaque entre os tipos de resíduo gerado devido, muitas vezes, ao seu alto grau de periculosidade. Neste trabalho foi realizado um inventário do resíduo químico ativo gerado em laboratórios de quatro Unidade

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Micaroni, Regina Clelia da Costa Mesquita. "Gestão de residuos em laboratorios do instituto de Quimica da UNICAMP." [s.n.], 2002. http://repositorio.unicamp.br/jspui/handle/REPOSIP/248815.

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Orientadores: Maria Izabel Maretti Silveira Bueno, Wilson de Figueiredo Jardim<br>Tese (doutorado) - Universidade Estadual de Campinas, Instituto de Quimica<br>Made available in DSpace on 2018-08-11T21:06:20Z (GMT). No. of bitstreams: 1 Micaroni_ReginaCleliadaCostaMesquita_D.pdf: 1070226 bytes, checksum: 5f4897fe604125d1616cdf404280c2cc (MD5) Previous issue date: 2002<br>Resumo: Realizou-se o monitoramento das atividades geradoras de resíduo no Instituto de Química (IQ) da UNICAMP visando a implementação de propostas para a minimização da quantidade de resíduo gerada. Inicialmente fez-se um

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4

Clark, Andrea L. "Waste Management Minimization Strategies in Hospitals." ScholarWorks, 2018. https://scholarworks.waldenu.edu/dissertations/5064.

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During the delivery of healthcare services, hospital employees use enormous amounts of water, energy, and nonbiodegradable carcinogenic plastics. In the U.S., hospital staff generate an average of over 7,000 tons of waste per day at an average cost of $0.28 per pound for the disposal of regulated medical trash, which if efficiently managed or reduced, could result in substantial cost savings. Using the organizational learning and the transaction cost economics theories as the conceptual frameworks, the purpose of this qualitative case study was to explore strategies healthcare leaders used to

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5

Kuslyaykina, Dina. "Exploratory Study of Waste Generation and Waste Minimization in Sweden." Thesis, Uppsala universitet, Institutionen för geovetenskaper, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-194013.

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The current thesis presents an exploratory study on municipal solid waste generation and minimization in Sweden, with a focus on their connection to basic socio-economic parameters. The fundamental goal of the study is to investigate into correlations and interdependencies between waste generation, waste minimization and basic socio-economic characteristics on municipal level, and to search for models for explanation of waste management parameters through socio-economic factors. Theoretical background involves reasoning on the role of municipal waste management in sustainable development, and

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6

Liu, Wai-leung. "Legislative support for waste reduction initiatives /." Hong Kong : University of Hong Kong, 1997. http://sunzi.lib.hku.hk/hkuto/record.jsp?B18734182.

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7

Le, Hesran Corentin. "Integrating waste minimization concerns in operations scheduling." Thesis, Lyon, 2019. http://www.theses.fr/2019LYSEI111.

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Confronté à des enjeux économiques et environnementaux croissants, le monde industriel doit s’adapter afin de répondre aux problématiques actuelles. La production industrielle est responsable de 83% de la production mondiale de déchets solides et de 40% de la consommation d’énergie, et l’ordonnancement s’avère être un levier prometteur pour agir sur ces enjeux. L’état de l’art réalisé montre que les travaux de recherche traitent en majorité des enjeux énergétiques. Cette thèse propose de s’intéresser à la problématique suivante : Comment intégrer la réduction des déchets dans l’ordonnancement

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8

Tang, Yan-yi, and 鄧欣宜. "Enhancing waste reduction in Hong Kong : a review on waste separation." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2014. http://hdl.handle.net/10722/207625.

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Waste management is always a headache to the policy makers to tackle with nowadays as we are generating more waste than the past generations. Landfill is the only disposal method in Hong Kong since the early of the 1990s and the three strategic landfills are going to be filled. Therefore, the quantity-based waste charging is going to be implemented in the near future in order to reduce waste generation. A complementary recycling system is a must to complete the newly proposed waste management policy to reduce waste volume. There are some obvious problems existing in the current recycling effor

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9

Bragan, William S. II. "Electrodialysis applied to waste minimization and acid recovery." Thesis, Georgia Institute of Technology, 1998. http://hdl.handle.net/1853/12519.

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10

Lai, Wan-kay Irene. "Waste minimization in Hong Kong households and offices how individuals can create less waste in their every day lives and how different organizations can provide implementation support /." Click to view the E-thesis via HKUTO, 2005. http://sunzi.lib.hku.hk/hkuto/record/B37521871.

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11

Liu, Wai-leung, and 廖為良. "Legislative support for waste reduction initiatives." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1997. http://hub.hku.hk/bib/B31253805.

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12

Wong, Man-yee. "Transforming rubbish into nourishment in a no man's land : food wastage and recycling in Hong Kong /." Hong Kong : University of Hong Kong, 2001. http://sunzi.lib.hku.hk/hkuto/record.jsp?B24534389.

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13

Stefanis, Stavros Konstantinou. "A process systems methodology for environmental impact minimization." Thesis, Imperial College London, 1997. http://hdl.handle.net/10044/1/7158.

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14

Dai, Lai-man Raymond. "A review of the use less plastic bags campaign /." Hong Kong : University of Hong Kong, 1998. http://sunzi.lib.hku.hk/hkuto/record.jsp?B20042152.

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15

So, Yin-fong Yvonne, and 蘇燕芳. "From awareness to action in sustainable waste management : a case study on waste reduction education to foreign domestic helpers in Hong Kong." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2013. http://hdl.handle.net/10722/194575.

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Solving the waste problem is one of the most challenging environmental missions for Hong Kong. Currently, the amount of waste generated has reached an unsustainable level. Hong Kong’s domestic waste disposal rate is significantly higher than other international cities like Tokyo, Taipei City and Seoul. With present trends, this mounting waste has been filled up the three landfill sites at a rate much faster than anticipated. Hong Kong SAR Government is hoping to expand the landfill site and build incinerator(s). However, these plans have not been well-received by the public. Waste reduction at

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16

Alberti, M. (Marina). "Minimization of hazardous waste in Western Europe : policy implementation and harmonization." Thesis, Massachusetts Institute of Technology, 1992. http://hdl.handle.net/1721.1/28015.

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17

Levin, Elizabeth Morris. "Effective litter reduction." Instructions for remote access. Click here to access this electronic resource. Access available to Kutztown University faculty, staff, and students only, 2006. http://www.kutztown.edu/library/services/remote_access.asp.

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Thesis (M.A. )--Kutztown University of Pennsylvania, 2006.<br>Source: Masters Abstracts International, Volume: 45-06, page: 2924. Typescript. Abstract precedes thesis as 2 leaves (iii-iv). Includes bibliographical references (leaves 99-102).

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18

Lai, Wan-kay Irene, and 黎蘊琪. "Waste minimization in Hong Kong households and offices: how individuals can create less waste in their every daylives and how different organizations can provide implementationsupport." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2005. http://hub.hku.hk/bib/B37521871.

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19

Bennen, Wilroy. "The evaluation of waste minimization/waste treatment strategies for a commercial production process of 4-methyl-3-thiosemicarbazide." Thesis, Port Elizabeth Technikon, 2002. http://hdl.handle.net/10948/97.

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Chemical synthesis is closely related to waste minimization. There is no chemical process that does not produce waste. The methods used by industry to deal with this waste is a major environmental concern. This thesis describes the laboratory scale waste minimization and waste treatment strategies for the commercial production process of 4-methyl-3-thiosemicarbazide (MTSC). The production process of 4-methyl-3-thiosemicarbazide was investigated with the aim of increasing the isolated yield of MTSC and at the same time decrease the amount and toxicity of effluent obtained. During this study, pa

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20

Wishart, Lucy J. "A resourceful aspiration : understanding the governmentality of Zero Waste in Scotland." Thesis, University of St Andrews, 2015. http://hdl.handle.net/10023/11946.

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This thesis is about Zero Waste governance in Scotland. The thesis has three aims: empirically, it seeks to develop an understanding of the Scottish Zero Waste policy; theoretically, it aims to critically assess this policy in relation to Governmentality for Sustainable Development; and methodologically, it investigates the use of governmentality as an analytical framework through which to understand governance of complex sustainability issues. The thesis argues that existing studies of Zero Waste have limited engagement with social theories. It is suggested that governmentality offers a poten

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21

Mtyopo, Mteteleli Bethwell. "Optimization of a manufacturing process for atrazine with a focus on waste minimization." Thesis, Nelson Mandela Metropolitan University, 2004. http://hdl.handle.net/10948/259.

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Chemical synthesis is not complete without waste treatment. There is no chemical process that does not produce waste. The untreated effluent discharged by chemical industries poses a major environmental concern. This dissertation describes the results of an investigation carried out on the formation of by-products (impurities) during the synthesis of atrazine by neutralization of the reaction mixture during the actual synthesis procedure, and prior to disposal using carbon dioxide or hydrochloric acid. The main objectives for the said investigation were: {u100083} To optimise the reaction para

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22

Gouws, Jacques Francois. "Development of a complete process integration framework for wastewater minimisation in batch processes." Pretoria : [s.n.], 2009. http://upetd.up.ac.za/thesis/available/etd-04082009-215001/.

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23

Cheng, Hoi-cheung. "Planning on treatments of solid domestic waste in Hong Kong /." Hong Kong : University of Hong Kong, 1997. http://sunzi.lib.hku.hk/hkuto/record.jsp?B19131756.

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24

Pandelova, Marchela Edvart. "Emissions minimization of chlorinated micropollutants in coal solid waste co-combustion by primary measures." [S.l. : s.n.], 2004. http://deposit.ddb.de/cgi-bin/dokserv?idn=974171158.

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25

Ludidi, Nompazamo Alma. "Community participation in waste minimization : the case of Emfuleni Local Municipality / Nompazamo Alma Ludidi." Thesis, North-West University, 2009. http://hdl.handle.net/10394/3091.

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The purpose of this research is to understand factors contributing to successes and challenges in community participation especially in waste minimization initiatives; in order to inform policies and contribute to improve the design of the initiative. The objectives of the research are: firstly, to understand the current state of public participation in waste minimization at Emfuleni Local Municipality. Secondly, it is to determine the extent of willingness of the community to participate in waste minimization initiatives. Thirdly, to determine strategies on how to promote public participation

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26

Gopalakrishnan, Priya. "Effects of the reacting flowfield on combustion processes in a stagnation point reverse flow combustor." Diss., Atlanta, Ga. : Georgia Institute of Technology, 2008. http://hdl.handle.net/1853/22682.

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Thesis (Ph. D.)--Aerospace Engineering, Georgia Institute of Technology, 2008.<br>Committee Chair: Seitzman, Jerry; Committee Member: Gaeta, Richard; Committee Member: Jagoda, Jeff; Committee Member: Neumeier, Yedidia; Committee Member: Yoda, Minami; Committee Member: Zinn, Ben.

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27

Becker, Christopher Chambliss C. Kevin. "Exploring an organometallic redox complex for the remediation and reclamation of ionic contaminants." Waco, Tex. : Baylor University, 2006. http://hdl.handle.net/2104/4955.

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28

Mole, Tracey Lawrence Tarrer Arthur R. "The Auburn Engineering Technical Assistance Program investigation of polyvinyl alcohol film developments pertaining to radioactive particle decontamination and industrial waste minimization." Auburn, Ala., 2005. http://hdl.handle.net/10415/1264.

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29

Arbuckle, Trevor James. "Reduce, reuse, recycle or regulate : the national packaging covenant and its application to the fruit and vegetable industry in Western Australia /." Access via Murdoch University Digital Theses Project, 2004. http://wwwlib.murdoch.edu.au/adt/browse/view/adt-MU20050505.135542.

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30

Lee, Tang-ming Tanton. "Labelling consumer products for reduction in generation of solid waste /." Hong Kong : University of Hong Kong, 1995. http://sunzi.lib.hku.hk/hkuto/record.jsp?B14038730.

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31

Voittonen, Sandra. "Minimization of Fouling for Treatment of Municipal Wastewater with Membrane Filtration." Thesis, KTH, Skolan för kemi, bioteknologi och hälsa (CBH), 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-235946.

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In this thesis project, treatment of municipal wastewater using ultrafiltration is evaluated to investigate ways to prevent or minimize fouling from occurring. The aim of this project is to examine which factors play a significant role in causing different types of fouling, in order to minimize the resulting effect and thereby increase the efficiency and lifetime of the membrane. The project started with a broad literature study, which researched which methods are currently used to treat wastewater on an industrial level and other state-of-the-art solutions that are available. This was then us

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32

Jafaripour, Amir. "Utilisation of waste gas sludge for waste water treatment." Thesis, University of Birmingham, 2014. http://etheses.bham.ac.uk//id/eprint/4784/.

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This hypothesis driven research investigated the removal of Cu, Fe, Zn and Mn from synthetic metal solutions and real Acid Mine Drainage (AMD) from Wheal Jane mine in West Cornwall UK, employing waste gas sludge (BOS sludge) which is an end waste reside generated from steel production. Batch experiments showed the efficiency and adsorption rates increased with reduction in BOS sludge particle size, lower in initial metal concentration, increase in BOS sludge dosage, an increase in initial pH and increase in agitation speed. Fitting of the Langmuir isotherm model to experimental data gave a goo

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33

Xie, Yiran. "Recycling of foundry waste materials." Thesis, University of Birmingham, 2016. http://etheses.bham.ac.uk//id/eprint/6737/.

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The recycling of a foundry ceramic waste from investment casting has been investigated. The waste was reduced in size by fly pressing and disc milling to d50 < 20 μm and cleaned by magnetic separation and acid leaching. The powder contained zircon, alumina and amorphous silica with 37, 38 and 24 wt. % (ZrSiO4: Al2O3: SiO2) respectively. Two products were targeted: zirconia toughened mullite (ZTM) ceramics produced with an addition of alumina and zircon based pigments developed by the removal of alumina and reaction with colourant ions. With an addition of 23.5 wt. % Al2O3, a ZTM containing 30

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34

Kier, D. "Ion-exchange for radioactive waste treatment." Thesis, University of Salford, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.376870.

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35

Walsh, Stephen. "Integrated design of chemical waste water treatment systems." Thesis, Imperial College London, 1993. http://hdl.handle.net/10044/1/8603.

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36

Marc, Katya. "Thermo-chemical recovery of styrene from polystyrene waste." Thesis, McGill University, 1992. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=61312.

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Styrene was recovered from polystyrene by thermo-chemical treatment in a nitrogen atmosphere carried out at 330$ sp circ$C to 410$ sp circ$C, for 30 to 60 minutes. Up to 70% of the polystyrene was converted to styrene at a reaction temperature of 406$ sp circ$C and reaction time of 45 minutes. The styrene yield increased with temperature. At the lower temperatures, the molecular weight of the polystyrene was reduced from 138 000 to 8 900. At the higher temperatures, the polystyrene residue obtained consisted mainly of styrene dimer and trimer. The use of catalysts was evaluated. The catalysts

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37

Yildirir, Eyup. "Chemical engineering of waste plastics via hydrothermal processing." Thesis, University of Leeds, 2015. http://etheses.whiterose.ac.uk/10704/.

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Utilizing a simple, cost effective, feasible and efficient recycling process for waste plastics, which are largely produced from non-renewable sources, is strategically important for a sustainable environment and economy. In Europe, landfilling is still the major waste management method; therefore new routes for recycling are being researched to increase the recycling rates. In this research, hydrothermal processing was used for recycling of waste carbon fibre reinforced plastics (CFRP) and printed circuit boards (PCB) in a batch reactor were investigated. Also, the applicability of the hydrot

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38

Pudasaini, Anup. "Evaluation of biogas generation from turkey waste." Thesis, University of Iowa, 2010. https://ir.uiowa.edu/etd/727.

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This project investigates local industrial biomass streams as feedstocks for the generation of low-cost sustainable energy for The University of Iowa. Methane gas produced during anaerobic digestion would fuel an engine to generate electricity at the University of Iowa Research Park (Oakdale Campus). A current local industry identified for this project is West Liberty Foods (WLF), a turkey processing facility located in West Liberty, Iowa, USA. WLF generates about 6,000 gal/day of blood, 40,000 lb/day of offal (guts), 6,000 lb/day of sludge (process waste water) and 2-4 truckloads/day of feath

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39

Wong, Wai-yuen. "Waste management towards sustainability : a criticial review of the existing policy and way forward /." Hong Kong : University of Hong Kong, 2002. http://sunzi.lib.hku.hk/hkuto/record.jsp?B25140838.

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40

Yaser, Abu Zahrim. "Development of integrated nanofiltration system for highly concentrated dye removal." Thesis, Swansea University, 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.678536.

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41

Lam, Lai Fong Janna. "Zero emission management." Title page, table of contents and abstract only, 2001. http://web4.library.adelaide.edu.au/theses/09ENV/09envl213.pdf.

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42

Kwok, Kin-chung Tommy, and 郭健聰. "The recycling of municipal solid waste in Hong Kong." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2003. http://hub.hku.hk/bib/B31255528.

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43

李騰鳴 and Tang-ming Tanton Lee. "Labelling consumer products for reduction in generation of solidwaste." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1995. http://hub.hku.hk/bib/B31253179.

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44

Lombo, Carrillo Jenny Carolina 1988. "Estudo de aspectos ambientais em produção enxuta." [s.n.], 2012. http://repositorio.unicamp.br/jspui/handle/REPOSIP/265628.

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Orientador: Antonio Batocchio<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Engenharia Mecânica<br>Made available in DSpace on 2018-08-21T13:45:30Z (GMT). No. of bitstreams: 1 LomboCarrillo_JennyCarolina_M.pdf: 4246562 bytes, checksum: 73c3918f87fdff4311620e55062bdcaa (MD5) Previous issue date: 2012<br>Resumo: A variedade de produtos tem se proliferado a um grau exagerado, e a competição por imitação é destruidora da margem de lucro. Nesse ambiente competitivo o modelo de manufatura enxuta (Lean Production) tem sido objeto de grande interesse por parte de empres

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45

AungYong, Lisa. "Fabrication of green sustainable sandwich panels by synthesis of polyurethane-based foams with incorporated "waste" glycerol and agricultural "waste" residue." Thesis, California State University, Long Beach, 2014. http://pqdtopen.proquest.com/#viewpdf?dispub=1527879.

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<p> We are interested in fabricating green materials that could potentially be used in building construction applications. Ideally, the inputs to these materials would not lead to further deforestation, and rely minimally on nonrenewable fossil fuels. To make a sustainable product, we aim to incorporate “wastes” from current industrial and agricultural processes. The green building material will be a “sandwich” composite where foam will serve as the compressible, lightweight core, and a hemp/bioresin board will be the rigid, dense outer sheath. The foam we have made is

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Lin, Zhongye. "Microalgal Growth and Lipid Production from Organic Waste." University of Akron / OhioLINK, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=akron1385429109.

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47

Gokhale, Charlene. "The immobilisation of organic waste by geopolymerisation." Thesis, Stellenbosch : Stellenbosch University, 2001. http://hdl.handle.net/10019.1/52533.

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Thesis (MScEng)--University of Stellenbosch, 2001.<br>ENGLISH ABSTRACT: In excess of24 x 106 tons (1997, Eskom) of coal-derived fly ash is produced annually in South Africa for the production of electric power. A large quantity of this ash is disposed of as a solid waste in landfills, thus posing a serious environmental problem. Due to the shortage of landfill sites, new ways of utilising fly ash are needed. Recently several authors have shown that various combustion fly ashes can be converted into zeolites to obtain industrial products with applicability In environmental management. Ge

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Myamya, Luyolo Ebenezer. "Establishing a waste management system for Cape Peninsula University of Technology." Thesis, Nelson Mandela Metropolitan University, 2016. http://hdl.handle.net/10948/11670.

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Communities around the globe are confronted by environmental challenges such as waste management. These challenges are further aggravated by factors such the increasing volumes of waste, landfills that are running out of capacity and scarcity of suitable land to construct new landfill sites. The National Waste Management Strategy requires participation from all members of society including households, businesses, community organisations, nongovernmental organisations, parastatals and the three spheres of government, to promote practices that minimise the volumes of waste generated. The purpose

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49

Davison, Nigel. "The geochemistry of radioactive waste disposal." Thesis, Aston University, 1987. http://publications.aston.ac.uk/9698/.

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The present study attempted to identify the significant parameters which affect radionuclide migration from a low level radioactive waste disposal site located in a clay deposit. From initial sorption studies on smectite minerals, increased Kd with decreasing initial cation concentration was observed, and three sorption mechanisms were identified. The observation of anion dependent sorption was related to the existence of a mechanism in which an anion-cation pair are bound to the clay surface through the anion. The influence of competing cations, typical of inorganic groundwater constituents,

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Aalla, Anand Reddy Akshay. "A Novel View Of Chemical Recycling Of Plastic Waste." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2021.

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Plastics are a wide range of synthetic or semi synthetic materials which is extremely versatile and ideal for wide range of applications. However, the improper management of plastic waste has caused irreversible losses for the environment. The continuous accumulation of waste plastic into landfills is a huge problem. According to PlasticsEurope, in 2018 global plastic production almost reached 360 million tonnes. In Europe, plastics production has reached almost 62 million tonnes by 2018. Since 2006, the amount of plastic sent to recycling has doubled but 25% of it is still sent to landfill as

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