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Dissertations / Theses on the topic 'Waste stabilization pond'

Author: Grafiati

Published: 4 June 2021

Last updated: 17 February 2022

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1

Eland, Lucy Elizabeth. "Waste stabilization pond ecology : a molecular approach." Thesis, University of Newcastle upon Tyne, 2014. http://hdl.handle.net/10443/2441.

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Waste Stabilization Ponds (WSPs) are used to treat wastewater largely in developing countries, though their ecology is not well understood. Past studies have used taxonomic microscopy methods to assess the photosynthetic organisms vital for WSPs functioning. There has been little use of molecular methods based on evolutionary classification in this field. This thesis sets out to develop molecular methods to study the ecology of these systems. Efficient, non-biased DNA extraction is vital for reliable molecular analysis. Commercially available DNA extraction kits were tested for efficiency when

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2

Smallman, David John. "An ecological appraisal of waste stabilization pond performance." Thesis, University of Leeds, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.256265.

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3

Ouedraogo, Faissal Romaric. "Impact of Sludge Layer Geometry on the Hydraulic Performance of a Waste Stabilization Pond." Scholar Commons, 2016. http://scholarcommons.usf.edu/etd/6344.

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Improving the hydraulic performance of waste stabilization ponds (WSPs) is an important management strategy to not only ensure protection of public health and the environment, but also to maximize the potential reuse of valuable resources found in the treated effluent. To reuse effluent from WSPs, a better understanding of the factors that impact the hydraulic performance of the system is needed. One major factor determining the hydraulic performance of a WSP is sludge accumulation, which alters the volume of the pond. In this study, computational fluid dynamics (CFD) analysis was applied to i

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4

Real, Monica Beatriz Arias Ciudad. "Effects of wind on performance of a pilot scale waste stabilization pond with varying layouts." Thesis, University of Surrey, 2014. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.616925.

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Waste stabilisation pond (WSP) techology has been applied in many countries as a cost effective and sustainable solution to treating wastewater. However, their simplicity of design has been overestimated, which has led to many WSPs under-performing. The main causes for this have been attributed to poor operation and maintenance, adverse environmental conditions and inconect design and loading. This research focuses on how environmental conditions affect the pond and what design changes can be applied to improve the hydraulic perfol1nance despite these factors . The three interventions tested w

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5

Arridge, Helen Mary. "The influence of geometry on the performance of waste stabilization pond with special reference to pathogen removal." Thesis, University of Liverpool, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.364197.

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6

Smith, Malin. "Sustainability assessment of sanitation systems in El Alto, Bolivia : A pre-study." Thesis, Uppsala universitet, Institutionen för geovetenskaper, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-403011.

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The Sustainable Development Goal (SDG) Target 6.2 aims at providing access to adequate and equitable sanitation and hygiene for all and to end open defecation by 2030. Yet, 47 % of the population in Bolivia lacked access to basic sanitation services in 2012. There is a risk of actors focusing on only the construction of toilet facilities, without looking at the need for related service required for a sustainable development. El Alto is a rapidly growing city in Bolivia where the sanitation service is expanding fast. In order to enhance knowledge about the sustainability of existing sanitation

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7

Abdel-Razik, Mohamed Hassan. "Dynamic modelling of facultative waste stabilization ponds." Thesis, Imperial College London, 1991. http://hdl.handle.net/10044/1/46634.

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8

Andoh, R. Y. G. "Systems identification of facultative waste stabilization ponds." Thesis, Imperial College London, 1987. http://hdl.handle.net/10044/1/38223.

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9

Safieddine, Taleb. "Hydrodynamics of waste stabilization ponds and aerated lagoons." Thesis, McGill University, 2008. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=18804.

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Performance of waste stabilization ponds and aerated lagoons greatly depends on their hydraulics. Flow visualization experimentation showed that, for basin with a 0.1-m wide open channel inlet, the change in Re from 210 to 1076 did not affect the location of the dead-water region in the middle of the basin. An increase in Re, from 12 to 24 in the presence of one baffle, and from 18 to 36, in the presence of two baffles, did not apparently affect the dead-water regions within the basin. However, in the case of one baffle, increase in Re resulted in an increase in the tracer arrival time at the

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10

Chagnon, Frédéric (Frédéric Jacques) 1975. "Design and dynamic modeling of waste stabilization ponds." Thesis, Massachusetts Institute of Technology, 1999. http://hdl.handle.net/1721.1/9493.

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Thesis (M.Eng.)--Massachusetts Institute of Technology, Dept. of Civil and Environmental Engineering, 1999.<br>Includes bibliographical references (leaves 68-69).<br>Waste stabilization ponds are reviewed as a means to treat wastewater. Processes involved in the three main types of waste stabilization ponds are also reviewed. Empirically derived design guidelines are used to propose a design for a series of lagoons to follow a chemically enhanced primary treatment stage in the city of Tatui, Brazil. An existing dynamic "bio-geo-chemical" waste stabilization pond model is reviewed and modified.

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11

Banda, Chimwemwe Gawasiri. "Computational fluid dynamics modelling of baffled waste stabilization ponds." Thesis, University of Leeds, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.441242.

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12

Esbell, Diane Macedo. "Influência do deságue do sistema de lagoas de estabilização na quantidade de nutrientes no Igarapé Grande, Boa Vista, Roraima." Universidade Federal de Roraima, 2006. http://www.bdtd.ufrr.br/tde_busca/arquivo.php?codArquivo=27.

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior<br>The Igrarapé (small streams) Grande, in Boa Vista, Roraima, is the receiving body of the wasterwater generated starting from the waste stabilization ponds, system of treatment of the sanitary sewers of part of the city. By the hypothesis that the spilling of those wasterwater in referred him body of water contributes so that the same presents physiochemical characteristics that you/they implicate in her degradation, lasting long in a similar way for good part of the course of water, mainly in the mount of nutrients, a manegament

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13

Oliveira, Rui de. "The performance of deep waste stabilization ponds in northeast Brazil." Thesis, University of Leeds, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.277610.

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14

Curtis, Thomas Peter. "Mechanisms of removal of faecal coliforms from waste stabilization ponds." Thesis, University of Leeds, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.291029.

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15

Satelles, José Lopes. "Influência do lançamento do efluente da estação de tratamento de esgoto doméstico no igarapé Grande em Boa Vista/RR." Universidade Federal de Roraima, 2011. http://www.bdtd.ufrr.br/tde_busca/arquivo.php?codArquivo=59.

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior<br>O corpo hídrico, objeto deste estudo, o igarapé Grande, localiza-se no Município de Boa Vista, Estado de Roraima, na região Norte do Brasil. O igarapé Grande possui como afluente à sua margem direita, o igarapé da Paca, tendo sua foz no rio Branco. O presente estudo visa avaliar, através da determinação de parâmetros físico-químicos e biológico (clorofila-a) o nível de contaminação do Igarapé Grande após receber efluente da ETE/Boa Vista-RR e o impacto ambiental causado pelo aporte de substâncias no igarapé e possivelmente no rio B

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16

Fashanu, Julius Olusegun. "A comparative study of anaerobic treatment of citrus processing wastewater." Thesis, University of Newcastle Upon Tyne, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.322159.

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17

Van, der Linde Eleanor Relton Claire. "Nitrogen removal mechanisms and pathways in facultative waste stabilization ponds in the United Kingdom." Thesis, University of Leeds, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.511154.

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18

Athayde, Salena Tatiana Silva. "Algal and bacterial dynamics in waste stabilization ponds and wastewater storage and treatment reservoirs." Thesis, University of Liverpool, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.343989.

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19

Vannoy, Kelly James. "Modeling the Extent of Virus Removal in Waste Stabilization Ponds to Support Reuse of Wastewater." Scholar Commons, 2016. http://scholarcommons.usf.edu/etd/6151.

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Waste stabilization ponds (WSPs) are one of the most prevalent types of domestic wastewater treatment technologies employed worldwide, and global stressors such as urbanization, population growth, climate change, and water scarcity have increased the demand for reusing treated wastewater. The safe reuse of treated wastewater in agriculture can ease water scarcity, aid in food production, and reduce environmental degradation from the discharge of wastewater effluent to surface waters. The ability to predict virus concentrations in wastewater effluent is an important criterion for determining wh

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20

Houghton, Stephen Robert. "The influence of the sulphur cycle on the performance of primary waste stabilization ponds treating domestic wastewater." Thesis, University of Leeds, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.290933.

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21

Granado, Danielli Cristina. "Variações nictemerais e sazonais na estrutura da comunidade fitoplanctônica num sistema de lagoas de estabilização (Novo Horizonte, SP)." Universidade de São Paulo, 2004. http://www.teses.usp.br/teses/disponiveis/18/18138/tde-15072006-195556/.

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O presente estudo visou caracterizar as variações nictemerais e sazonais na estrutura da comunidade fitoplanctônica do sistema australiano de lagoas de estabilização, localizado no município de Novo Horizonte, SP, por meio de análises de abundância, biomassa, densidade, riqueza e de índices de diversidade, dominância e equidade. Para a realização desse objetivo, as amostras foram coletadas nas lagoas facultativa 1 e facultativa 2 e no efluente final, em quatro épocas: maio/2002 outono, agosto/2002 inverno, novembro/2002 primavera e fevereiro/2003 verão, a cada seis horas, durante vinte

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22

Silva, Fernando JosÃ AraÃjo da. "INDICE DE CONCORDÃNCIA E RISCO FUZZY NA AVALIAÃÃO DO DESEMPENHO DE SISTEMAS DE LAGOAS DE ESTABILIZAÃÃO." Universidade Federal do CearÃ, 2010. http://www.teses.ufc.br/tde_busca/arquivo.php?codArquivo=5264.

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No presente trabalho foi empregada a aritmÃtica fuzzy com NFTs para o cÃlculo do Ãndice de ConcordÃncia Fuzzy (ICF) e do Risco Fuzzy (RF), com fins de anÃlise de aspectos operacionais, desempenho e qualidade dos efluentes de 14 ETEs do tipo lagoas de estabilizaÃÃo (6 lagoas facultativas primÃrias - LFPs e 8 sÃries- LSs) em escala real, tratando esgotos domÃsticos. A lÃgica fuzzy provou ser um recurso eficiente na avaliaÃÃo do desempenho de ETEs e suas compatibilidades ambientais. O estudo propiciou tambÃm uma melhor compreensÃo do funcionamento operacional de lagoas de estabilizaÃÃo. Exceto po

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23

Verbyla, Matthew Eric. "Pathogen Removal in Natural Wastewater Treatment and Resource Recovery Systems: Solutions for Small Cities in an Urbanizing World." Scholar Commons, 2015. http://scholarcommons.usf.edu/etd/6044.

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Sanitation, renewable energy, and food security are among the most pressing global development needs of the century, especially for small cities with rapid population growth. Currently, 53% of the world’s population either lacks access to improved sanitation or discharges fecal waste to the environment without treatment. Furthermore, 80% of food consumed in developing regions is produced by 500 million small farms, and while many of them are still rain-fed, irrigated agriculture is increasing. The post-2015 Sustainable Development Goals, recently adopted by the United Nations, include targets

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24

Meneses, Carla Gracy Ribeiro. "Evolu??o da biodegradabilidade da mat?ria org?nica em um sistema de lagoas de estabiliza??o." Universidade Federal do Rio Grande do Norte, 2006. http://repositorio.ufrn.br:8080/jspui/handle/123456789/15938.

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Made available in DSpace on 2014-12-17T15:01:58Z (GMT). No. of bitstreams: 1 CarlaGracyRM.pdf: 2168953 bytes, checksum: c493025d0ce540e9abdc851f15c87e7a (MD5) Previous issue date: 2006-06-13<br>Coordena??o de Aperfei?oamento de Pessoal de N?vel Superior<br>Waste stabilization ponds (WSP) have been widely used for sewage treatment in hot climate regions because they are economic and environmentally sustainable. In the present study a WSP complex comprising a primary facultative pond (PFP) followed by two maturation ponds (MP-1 and MP-2) was studied, in the city of Natal-RN. The main objective

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25

Stibbard, James K. "An in situ study of denitrification in a facultative waste stabilization pond." 1987. http://hdl.handle.net/1993/9444.

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26

Gray, Monica Annmarie. "Determination of hydraulic and treatment characteristics of three waste stabilization ponds in Jamaica." 2004. http://purl.galileo.usg.edu/uga%5Fetd/gray%5Fmonica%5Fa%5F200405%5Fms.

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