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Dissertations / Theses on the topic 'Solid waste biodegradation'

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1

Yagoub, Sally. "Biodegradation of leather solid waste." Thesis, University of Northampton, 2006. http://nectar.northampton.ac.uk/2675/.

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Waste management in the leather industry worldwide is an issue of major importance for both solid and liquid wastes. It has been recognised that there are major environmental impacts from the poorly managed disposal of such wastes and these have a clear health impact upon human society. Within Europe, under EU driven legislation, the costs of wastes management are increasing rapidly and there is a clear need to research improved methods to cost effectively deal with leather industry wastes. Biodegradation (anaerobic), as a management option, of solid wastes from the leather industry is an area
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2

Kelly, Ryan J. "Solid Waste Biodegradation Enhancements and the Evaluation of Analytical Methods Used to Predict Waste Stability." Thesis, Virginia Tech, 2002. http://hdl.handle.net/10919/32484.

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Conventional landfills are built to dispose of the increasing amount of municipal solid waste (MSW) generated each year. A relatively new type of landfill, called a bioreactor landfill, is designed to optimize the biodegradation of the contained waste to stabilized products. Landfills with stabilized waste pose little threat to the environment from ozone depleting gases and groundwater contamination. Limited research has been done to determine the importance of biodegradation enhancement techniques and the analytical methods that are used to characterize waste stability. The purpose of this re
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3

Kim, Jongmin. "Effect of plastics on the lignin results for MSW and the fate of lignin in laboratory solid waste reactors." Thesis, Virginia Tech, 2004. http://hdl.handle.net/10919/35579.

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<p> Cellulose to lignin ratio is one of the widely used indicators of degree of landfill stabilization. This ratio shows the amount of carbohydrate or cellulose consumed by anaerobes compared to relatively inert lignin. However, the method of lignin measurement contains an intrinsic error. Plastics are contained in the landfill samples and these are characterized as lignaceous materials due to their acid-insolubility. Lignin is typically measured as the organic residue that is acid insoluble but is combustible upon ignition. Additionally lignin may degrade under anaerobic, high temperature con
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4

Mooder, Robert Brent. "Numerical simulation of moisture movement, anaerobic biodegradation, and dissolved organic carbon transport in municipal solid waste." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/tape17/PQDD_0007/MQ34394.pdf.

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5

Bricker, Garrett Demyan. "Analytical Methods of Testing Solid Waste and Leachate to Determine Landfill Stability and Landfill Biodegradation Enhancement." Thesis, Virginia Tech, 2009. http://hdl.handle.net/10919/35162.

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This was a study undertaken to investigate municipal solid waste (MSW) landfill stability parameters and landfill leachate properties to determine how solid waste and leachate characteristics can be used to describe stability. The primary objective was to determine if leachate properties could be used to determine stability of the overlying refuse. All landfills studied were engineered landfill bioreactors giving insight to how leachate recirculation affects stability. This study investigated the correlation between cellulose, lignin, volatile solids, and biochemical methane production (BMP)
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6

Gawande, Nitin. "MODELING MICROBIOLOGICAL AND CHEMICAL PROCESSES IN MUNICIPAL SOLID WASTE BIOREACTOR: DEVELOPMENT AND APPLICATIONS OF A THREE-PHA." Doctoral diss., University of Central Florida, 2009. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/3803.

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The numerical computer models that simulate municipal solid waste (MSW) bioreactor landfills have mainly two components--a biodegradation process module and a multi-phase flow module. The biodegradation model describes the chemical and microbiological processes of solid waste biodegradation. The models available to date include predefined solid waste biodegradation reactions and participating species. In a bioreactor landfill several processes, such as anaerobic and aerobic biodegradation, nitrogen and sulfate cycling, precipitation and dissolution of metals, and adsorption and gasification of
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7

Boda, Borbala. "Evaluation of Stability Parameters for Landfills." Thesis, Virginia Tech, 2002. http://hdl.handle.net/10919/34399.

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There are more than three thousand landfills in the United States, in which approximately 55% (1998, U. S. EPA 1999) of the MSW generated in the US is buried. The majority of the landfills are conventional, but in the last two decades new types of landfills, called leachate recycle and bioreactor landfills, have been designed and tested as an enhanced environment for biochemical degradation of municipal solid waste. All the landfills are regulated under Subtitle D of the Resource Conservation and Recovery Act (RCRA). The shortage of time and money has limited the amount of research done on w
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8

Nair, Arjun. "Effect of Leachate Blending on Anaerobic Digestion of Organic Fraction of Municipal Solid Waste." Thèse, Université d'Ottawa / University of Ottawa, 2013. http://hdl.handle.net/10393/24404.

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Anaerobic digestion of the Organic Fraction of Municipal Solid Waste (OFMSW) generates a mixture of methane (CH4), carbon dioxide (CO2) and water (H2O). Beyond the field capacity the water generated is collected and recirculated as leachate in Bioreactor Landfills (BLs.) Leachate recirculation has a profound advantage on biodegradation of the Organic Fraction of Municipal Solid Waste (OFMSW) in the landfills. Mature leachate from older sections of landfills (>20 years) and young leachate were blended prior to recirculation in the ratios 3/3 mature, 3/3 young, 1/3 mature-2/3 young and 2/3 old-
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9

Mortatti, Bruno Cesar 1985. "Determinação da condutividade hidráulica e análise química do lixiviado de resíduos sólidos urbanos utilizando permeâmetros de grandes dimensões." [s.n.], 2013. http://repositorio.unicamp.br/jspui/handle/REPOSIP/287653.

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Orientador: Sueli Yoshinaga Pereira<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Instituto de Geociências<br>Made available in DSpace on 2018-08-23T20:11:00Z (GMT). No. of bitstreams: 1 Mortatti_BrunoCesar_M.pdf: 2082666 bytes, checksum: 0035bd7ef41b771d365f948dd694e18a (MD5) Previous issue date: 2013<br>Resumo: Dois permeâmetros de carga constante e grandes dimensões, com 0,057 e 0,042 metros cúbicos, respectivamente, foram utilizados em laboratório, sob condições controladas, para as determinações das condutividades hidráulicas saturadas de Resíduos Sólidos Urbanos (RSU)
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10

Agustini, Caroline Borges. "Isolamento microbiano na biodegradação de resíduos de curtumes." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2014. http://hdl.handle.net/10183/109147.

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Os resíduos do processo de curtumes e a crescente importância da geração de energia a partir de fontes renováveis fazem com que seja necessário estudar formas de biodegradação dos resíduos produzidos pela indústria coureira e gerar energia a partir disso. Os resíduos sólidos produzidos pelos curtumes contêm cromo e costumam ser dispostos em aterros industriais perigosos. O biogás com alto teor de metano é o produto dessa decomposição, através de digestão anaeróbia. A partir desses conceitos, esse trabalho propõe realizar ensaios de biodegradação com lodo, proveniente de uma estação de tratamen
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11

Francisco, Pedro. "Compostagem biotecnológica acelerada para produção de ração ou adubo a partir de resíduos de lixo verde." Instituto de Ciências da Saúde, 2015. http://repositorio.ufba.br/ri/handle/ri/23515.

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Submitted by Programa de Pós-graduação em Biotecnologia (mebiotec.ufba@gmail.com) on 2017-04-04T15:29:30Z No. of bitstreams: 1 Dissertaçao Final - Pedro Francisco.pdf: 1195456 bytes, checksum: a53bc6eb1a16d4f2d61f8cd28da0a649 (MD5)<br>Approved for entry into archive by Delba Rosa (delba@ufba.br) on 2017-07-06T13:21:07Z (GMT) No. of bitstreams: 1 Dissertaçao Final - Pedro Francisco.pdf: 1195456 bytes, checksum: a53bc6eb1a16d4f2d61f8cd28da0a649 (MD5)<br>Made available in DSpace on 2017-07-06T13:21:07Z (GMT). No. of bitstreams: 1 Dissertaçao Final - Pedro Francisco.pdf: 1195456 bytes, checksum:
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12

Araújo, Maria das Graças Cabral de. "Controle microbiológico e atividade enzimática em compostagem de resíduos de poda de árvores e lodo de esgoto." Universidade Católica de Pernambuco, 2011. http://www.unicap.br/tede//tde_busca/arquivo.php?codArquivo=600.

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O objetivo deste trabalho foi reaproveitar poda de árvores urbanas e lodo de esgoto para compostagem. Foi investigada a adição de cal hidratada e de inóculos em compostagem em laboratório e em campo (esterco bovino). O conteúdo microbiológico, atividades enzimáticas, temperatura, pH e concentrações de carbono e nitrogênio foram determinados. A contagem padrão de bactérias e os fungos (leveduras e fungos filamentosos) atingiram valores máximos na faixa de 1012 e de 108 UFC/mL, respectivamente. A calagem inibiu os coliformes totais e termotolerantes, além das Salmonellas e das quatro enzimas inv
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13

Jouen, Thomas. "Caractérisation de l'évolution de l'état de biodégradation des massifs de déchets non dangereux en post-exploitation : Application de méthodes géophysiques." Thesis, Paris, Institut agronomique, vétérinaire et forestier de France, 2018. http://www.theses.fr/2018IAVF0010/document.

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Le stockage est la méthode de traitement des déchets non dangereux la plus communément utilisée dans le monde entier car elle est un moyen simple et économique pour leur élimination. Malgré une volonté nationale et européenne pour réduire le stockage de déchets biodégradables, une quantité non négligeable est encore enfouie entrainant la mise en place de modes de gestion spécifique. Autrefois exploitées comme de simples fosses de remplissage, les installations de stockage de déchets non dangereux (ISDND) sont aujourd’hui des ouvrages complexes dont l’objectif est de réduire l’impact environnem
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14

MACOMBER, JEFF RAYMOND. "EFFECTS OF SOLIDS RETENTION TIME ON THE TREATMENT OF SYNTHETIC WASTEWATER USING A MEMBRANE BIOREACTOR." University of Cincinnati / OhioLINK, 2001. http://rave.ohiolink.edu/etdc/view?acc_num=ucin981401531.

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15

Grossin-Debattista, Julien. "Fractionnements isotopiques (13C/12C) engendrés par la méthanogenèse : apports pour la compréhension des processus de biodégradation lors de la digestion anaérobie : application aux procédés anaérobies de traitements des déchets non dangereux." Thesis, Bordeaux 1, 2011. http://www.theses.fr/2011BOR14229/document.

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Les procédés anaérobies de traitement de déchets apparaissent clairement pouvoir répondre à l'enjeu socio-économique actuel que représente la valorisation énergétique de la fraction organique contenue dans les déchets ménagers. En effet, les processus de dégradation anaérobies font intervenir en cascade, différentes réactions et populations de micro-organismes permettant de transformer la matière organique en biogaz riche en méthane. Une bonne connaissance des effets des paramètres opérationnels sur l'orientation des métabolismes s'avère ainsi nécessaire à l'émergence de solutions permettant d
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16

Conte, Michele. "Studio del comportamento bio-meccanico dei rifiuti solidi urbani (RSU) e modellazione dei cedimenti secondari." Doctoral thesis, Università degli studi di Padova, 2013. http://hdl.handle.net/11577/3426294.

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One of the strategic aspects of the development of large urban agglomerations is undoubtedly the management of solid wastes. To cope with the need for waste disposal, two strategies can be followed: the incineration and the storage in landfill, with or without pre-treatment. The latter solution, widely practiced in Italy, requires many careful considerations about the environmental, sanitary and geotechnical aspects, in order to ensure the usability of this service in safety conditions during the time of landfill management, which ordinarily exceeds decades. The topic of the research is the t
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17

ARAÚJO, Elaine Patrícia. "Monitoramento de células experimentais de resíduos sólidos urbanos quanto a aspectos físico-químicos e microbiológicos." Universidade Federal de Campina Grande, 2015. http://dspace.sti.ufcg.edu.br:8080/jspui/handle/riufcg/1050.

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Submitted by Emanuel Varela Cardoso (emanuel.varela@ufcg.edu.br) on 2018-06-26T21:18:47Z No. of bitstreams: 1 ELAINE PATRÍCIA ARAÚJO – TESE (UAEMa) 2015.pdf: 3617627 bytes, checksum: 75d4ce737bfec01d38d4b883955b8d81 (MD5)<br>Made available in DSpace on 2018-06-26T21:18:47Z (GMT). No. of bitstreams: 1 ELAINE PATRÍCIA ARAÚJO – TESE (UAEMa) 2015.pdf: 3617627 bytes, checksum: 75d4ce737bfec01d38d4b883955b8d81 (MD5) Previous issue date: 2015-01-30<br>CNPq<br>O estudo com células experimentais de Resíduos Sólidos Urbanos (RSU) permite avaliar a degradação dos diferentes tipos de resíduos
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18

Валерійович, Кравченко Олександр. "Біотехнологічні засади підвищення енергоресурсоефективності та екологічної безпеки процесів на об’єктах комунальної інфраструктури". Thesis, КПІ ім. Ігоря Сікорського, 2019. https://ela.kpi.ua/handle/123456789/26294.

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Дисертація на здобуття наукового ступеня доктора технічних наук за спеціальністю 03.00.20 – біотехнологія. – Національний технічний університет України «Київський політехнічний інститут імені Ігоря Сікорського» Міністерства освіти і науки України, Київ, 2019. Представлені науково обґрунтовані рішення з біотехнологічної інтенсифікації процесів, що використовуються у комунальній інфраструктурі населених пунктів. Розроблено біотехнологію видалення сполук заліза та мангану з підземних вод на швидких фільтрах з цеолітовим завантаженням при внесенні культур мікроорганізмів родів Leptothrix і Sphaero
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19

Hughes, Kevin Lewis William. "Optimisation of methane production from anaerobically digested cow slurry using mixing regime and hydraulic retention time." Thesis, University of Exeter, 2015. http://hdl.handle.net/10871/18869.

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AD is regarded as a sustainable technology that could assist the UK Government meet internationally agreed GHG emission targets by 2050. However, the mature status of the technology is based on expensive systems that rely on high energy feedstock to be profitable. Meanwhile, the natural biodegradation of cow slurry is a recognised contributor to climate change despite having a relatively low CH4 potential because of the large volumes produced. Economic mixing is essential to the cost-effectiveness of farm AD but techniques applied are not always appropriate as slurry is a shear thinning thixot
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20

Chakma, Sumedha. "Modelling settlement of municipal solid waste landfills due to biodegradation." Thesis, 2007. http://localhost:8080/iit/handle/2074/6234.

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21

Aragaw, Tamru Tesseme. "Experimental analysis of municipal solid waste biodegradation using bioreactor landfill in tropical climate." Thesis, 2018. http://localhost:8080/iit/handle/2074/7760.

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22

Shwetmala, *. "Assessment of Environmental Issues And Biodegradation Aspects of Current MSW Practices of Developing Country Metropolises - A Case Study of Bangalore." Thesis, 2016. http://etd.iisc.ernet.in/handle/2005/2724.

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Municipal solid waste (MSW) production has significantly increased in the rapidly urbanizing developing world and also changed composition with increased decomposable organic fraction in MSW (OFMSW) and plastics content. This has stressed the environment in many ways while city managers and citizens have responded with various technological and management solutions leading to a need for scientific, environmental, technological and sustainability assessments of the emerging problems. This sets the research agenda and framework for this study wherein the MSW generation, composition, processing a
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23

Shwetmala, *. "Assessment of Environmental Issues And Biodegradation Aspects of Current MSW Practices of Developing Country Metropolises - A Case Study of Bangalore." Thesis, 2016. http://etd.iisc.ac.in/handle/2005/2724.

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Municipal solid waste (MSW) production has significantly increased in the rapidly urbanizing developing world and also changed composition with increased decomposable organic fraction in MSW (OFMSW) and plastics content. This has stressed the environment in many ways while city managers and citizens have responded with various technological and management solutions leading to a need for scientific, environmental, technological and sustainability assessments of the emerging problems. This sets the research agenda and framework for this study wherein the MSW generation, composition, processing a
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24

Kigozi, Robert. "Design of an anaerobic biodigestion system utilizing the organic fraction of municipal solid waste for biogas production in an urban environment." Thesis, 2015. http://hdl.handle.net/10210/13796.

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M.Tech. (Chemical Engineering)<br>The design process was carried out in two stages: feedstock analysis and system design. Under feedstock analysis, the study investigated the amount of the organic fraction of municipal solid waste (OFMSW) generated at the study area which was situated at the University of Johannesburg’s Doornfontein Campus (UJ DFC) in downtown Johannesburg South Africa. Furthermore, the feedstock analyses involved characterisation studies on the target waste under which several laboratory tests were undertaken. The system design involved sizing of the suitable biogas digester
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