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Capacitive deionization tehnology TM development and evaluation of an industrial prototype systemWelgemoed, Thomas J. January 2005 (has links)
Thesis (M.Eng.)(Chemical)--University of Pretoria, 2005. / Title from opening screen (viewed March 14, 2005). Includes summary. Includes bibliographical references.
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An evaluation of wastewater reuse benefits a dissertation in partial fulfillment ... for the degree of Doctor of Public Health (Environmental Health Sciences and International Health) ... /Nkuchia, John. January 1994 (has links)
Thesis (D.P.H.)--University of Michigan, 1994.
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By-product synergy in the textile industry indigo waste recovery in the demin finishing process /Wambuguh, Dennis. January 2009 (has links)
Thesis (Ph. D.)--University of Texas at El Paso, 2009. / Title from title screen. Vita. CD-ROM. Includes bibliographical references. Also available online.
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Membrane contractor processes for desalination of brackish water reverse osmosis brines /Martinetti, C. Riziero. January 2008 (has links)
Thesis (M.S.)--University of Nevada, Reno, 2008. / "May, 2008." Includes bibliographical references (leaves 35-38). Library also has microfilm. Ann Arbor, Mich. : ProQuest Information and Learning Company, [2008]. 1 microfilm reel ; 35 mm. Online version available on the World Wide Web.
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A field study of the agricultural use of wastewater sludgePostle, Jeffrey K. January 1984 (has links)
Thesis (M.S.)--University of Wisconsin--Madison, 1984. / Typescript. eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references (leaves 89-100).
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Adsorption of europium and thulium onto pine wood sawdust /Ahmad, Iftikhar. January 1900 (has links)
Thesis (Ph. D.)--University of Idaho, 2006. / "May 31, 2006." Includes bibliographical references (leaves 94-101). Also available online in PDF format.
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The role of selected plant and microbial metabolites in the nutrient solution of closed growing systems in greenhouses /Jung, M. C. Victoria. January 2003 (has links)
Thesis (doctoral)--Swedish University of Agricultural Sciences, 2003. / Appendix consists of reprints and manuscripts of five papers co-authored with others. Includes bibliographical references. Also partially available online in PDF format; online version lacks appendix.
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Evaluation of land application of wastewater as a nutrient reduction control strategy in the Chesapeake Bay watershedWilliams, Marlyse K. January 2006 (has links)
Thesis (M.C.E.)--University of Delaware, 2006. / Principal faculty advisor: William Ritter, Dept. of Civil & Environmental Engineering. Includes bibliographical references.
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Living sites : rethinking the social trajectory of the Tophane area in IstanbulPelen Karelse, Övgü January 2015 (has links)
The aim of this research is to account for the life of an industrial site and to show the dynamism of the site by exploring what its trajectory in space and time can tell us about socio-economic and political tendencies occurring during its lifespan. This research will focus on the micro life of a particular industrial site in order to grasp the rhythm of societal change including its cultural and political overtones, and to explore the strategies of transformation of industrial sites in contemporary societies. In addition, this research aims to contribute to a better understanding of the concepts of waterfront regeneration and urban transformation by investigating the life of an industrial site. The objectives of the research are firstly to understand the site life and the rhythm of change of the examined industrial site with the intention of understanding the urban transformation, urban policy and planning. Secondly, to discuss how the site has been transformed, redeveloped and reused through time; and lastly to analyse the roles of various actors involved in the trajectory of the site. In order to support this argument, this research will benefit from inter-disciplinary literature studies. Three main bodies of literature will be put forward; these are waterfront redevelopment, cultural geography, and architectural theory. The dynamic life of the Tophane site in Istanbul is the case study that is analysed in this research. The Tophane site has been, and still is, a very controversial and multi-dimensional site with respect to its use and transformation. Due to its strategic location at the connection point of the Golden Horn and the Bosporus, overlooking the historical peninsula. It has been used for a variety of functions in its history, such as artillery barracks, warehouses, exhibition spaces for the Istanbul Art Biennials, Museum of Modern and Contemporary Arts as well as cruise port. It has been subject to some of the most controversial urban transformation proposals in Istanbul, both regarding the use of the site as well as the bidding processes associated with these proposals. This PhD will cover the different phases of this site's lifetime from the beginning of the twentieth century until 2014 and investigates the crucial roles played by various actors in its transformation and in the resistance to its transformation. The innovative aspect of the dissertation is that it crosses the boundaries of cultural geography and architectural theory. In addition, the original use of research methods such as thick description, actor network theory, controversy mapping and layering aspires to contribute to architectural studies. Furthermore, the focus on the Tophane site in Istanbul aims to expand the geographical scope of both waterfront redevelopment and cultural regeneration literature. The ultimate contribution of the dissertation is to demonstrate how a thorough analysis of the complexity and the versatile nature of a site, including its changing phases and layers, can lead to a better understanding of the macro scale processes that shape the urban environment.
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Avaliação do processo de eletrodiálise reversa no tratamento de efluentes de refinaria de petróleoMachado, Mara de Barros January 2008 (has links)
Este trabalho teve como objetivo avaliar a aplicação da eletrodiálise reversa no tratamento de efluente final de refinaria para reuso em sistema de resfriamento. O estudo foi conduzido nas instalações da Refinaria Gabriel Passos (REGAP)- MG, com efluente real, proveniente da saída da Estação de Tratamento de Despejos Industriais (E.T.D.I.), e utilizando para os testes uma unidade-piloto de eletrodiálise reversa com capacidade de tratamento de 2 m3/h. A utilização do processo de dessalinização por EDR teve o objetivo de reduzir sólidos totais dissolvidos no efluente de aproximadamente 1.240 mg/L para 310 mg/L, o que equivale a cloretos de 460 mg/L e 100 mg/L respectivamente, para atingir a qualidade requerida para água de make-up da torre de resfriamento da REGAP. Inicialmente foi feita uma avaliação comparativa com o processo de osmose inversa, no qual foi constatada, com o uso da EDR, a maior continuidade operacional, menores problemas de incrustação e menor exigência para o pré-tratamento do efluente. No estudo com a EDR foram realizados testes variando-se a vazão, de 600 a 2000 L/h de produto; voltagem de 200 a 370V e número de estágios. Durante os testes foi realizado o monitoramento operacional e analítico da água de alimentação da EDR, do produto (solução diluída) e do rejeito (concentrado salino), sendo os dados avaliados e correlacionados para determinação da densidade de corrente, taxa hidráulica, eficiência e taxa de remoção de sais. A análise da formação de incrustações e deposições na superfície das membranas levou ao estabelecimento de um procedimento de limpeza química. O estudo foi conduzido de forma a obter a otimização da operação com rendimento necessário na remoção de sólidos dissolvidos, menor custo energético e de manutenção. Após os testes foi selecionada a condição otimizada da unidade piloto: módulo em 2 estágios, vazão de 1,1 m3/h e voltagem de 275V. Para este condição o consumo energético foi de 1,95 KWh/m3 de efluente tratado. Os resultados mostraram a viabilidade técnica-econômica do uso da EDR para remoção de sais de efluente final de refinaria para aplicação em reposição de sistemas de resfriamento. / This study aimed the evaluation of the application of electrodialysis reversal in final effluent treatment targeting the reuse in cooling towers. The study was done in Gabriel Passos Refinery (REGAP) - MG, with real effluent, from the Industrial Effluent Treatment Station (ETDI), and was held in a pilot plant of electrodialysis reversal with a treatment capacity of 2 m3 / h. The use of the desalination process with EDR target the reduction of total dissolved solids in the effluent of about 1.240 mg / L to 310 mg / L, equivalent to chlorides of 460 mg / L and 100 mg / L respectively, to reach the required quality of make-up water in the REGAP cooling tower. It was originally done a comparative evaluation with reverse osmosis process, another method of membrane desalination. Electrodialysis was selected because of its operating stability, less problems with scaling and fouling, dispensing the use of conditioning chemicals, and the requirement of a simpler pre- treatment The tests with EDR were carried out ranging the product flux for 600 to 2.000 L/h, the voltage for 200 to 370V and the number of hydraulic stages. During the tests were analyzed operational and analytical data in the EDR feed, product (diluted solution) and reject (concentrated solution), being the parameters analyzed and correlated to determine the current density, hydraulic rate, efficiency and salts removal rate. The analysis of fouling and deposition formation on the membranes surface led to an establishment of a chemical cleaning procedure. This study was conducted in order to obtain the operational optimizing with the necessary income to remove dissolved solids, with lower energy cost and maintenance. After the tests was selected the optimum condition for the pilot plant: stack in 2 stages, flow rate of 1.1 m3/h and voltage of 275V. In this condition the power consumption was 1.95 KWh/m3 of treated effluent. The results showed the technical and economic feasibility for the EDR in removing salts from refinery effluents for reuse in make up of cooling systems.
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