Tesis sobre el tema "Sewage – Purification – Nutrient removal"
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Wong, Chiew Hiet. "Intergrated design of biological nutrient removal systems / by Chiew Hiet Wong". Thesis, The University of Sydney, 2001. https://hdl.handle.net/2123/27929.
Texto completo凌偉忠 y Wai-chung Jackson Ling. "Biological nutrient removal in sequencing batch reactors using fibrouspacking medium". Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1996. http://hub.hku.hk/bib/B31213388.
Texto completoSun, Feiyun y 孙飞云. "A membrane bioreactor (MBR) for a biological nutrient removal system: treatment performance, membrane foulingmechanism and its mitigation strategy". Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2010. http://hub.hku.hk/bib/B44903856.
Texto completoZeng, Raymond Jianxiong. "The role of intracellular storage products in biological nutrient removal /". St. Lucia, Qld, 2002. http://www.library.uq.edu.au/pdfserve.php?image=thesisabs/absthe16445.pdf.
Texto completoAbu-Ghararah, Ziad. "The effect of influent organic compounds on the performance of biological nutrient removal systems". Diss., Virginia Polytechnic Institute and State University, 1988. http://hdl.handle.net/10919/77907.
Texto completoPh. D.
Guo, Lei. "Optimization of BNR from wastewater using SBR and A²O processes". Thesis, University of Macau, 2011. http://umaclib3.umac.mo/record=b2493027.
Texto completoZhang, Zhenhua. "Plant growth and nutrient removal in simulated secondary-treated municipal wastewater in wetland microcosmos". University of Western Australia. School of Earth and Geographical Sciences, 2008. http://theses.library.uwa.edu.au/adt-WU2008.0141.
Texto completoGinige, Pushpa. "Decontamination of biosolids for land application : metals bioleaching and process impacts on the nutrient value of biosolids". Thesis, Queensland University of Technology, 1998.
Buscar texto completoau, rkurup@murdoch edu y Rajendra Kurup. "An experimental research on application of sub-surface flow constructed wetlands for meat processing industry effluent treatment and nutrient removal". Murdoch University, 2007. http://wwwlib.murdoch.edu.au/adt/browse/view/adt-MU20070717.142408.
Texto completoRandall, William O. "The Effects of a phosphate detergent ban on a biological nutrient removal plant and anaerobic digester /". Thesis, This resource online, 1990. http://scholar.lib.vt.edu/theses/available/etd-03122009-040637/.
Texto completoIslam, Md Kamrul. "Nutrient removal from urban stormwater using floating treatment wetland system". Master's thesis, University of Central Florida, 2011. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/4936.
Texto completoID: 030422696; System requirements: World Wide Web browser and PDF reader.; Mode of access: World Wide Web.; Thesis (M.S.Env.E.)--University of Central Florida, 2011.; Includes bibliographical references (p. 70-74).
M.S.
Masters
Civil, Environmental and Construction Engineering
Engineering and Computer Science
Abzazou, Souisa Tarik. "Técnicas moleculares para la caracterización microbiológica de los procesos de eliminación de nutrientes en las EDARs = Molecular techniques for microbiological characterization of nutrient removal processes at WWTPs". Doctoral thesis, Universitat de Barcelona, 2016. http://hdl.handle.net/10803/402738.
Texto completoGoolsby, Matthew Allen. "Viability study of a residential integrated stormwater, graywater, and wastewater treatment system at Florida's Showcase Green Envirohome". Master's thesis, University of Central Florida, 2011. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/4767.
Texto completoID: 030646271; System requirements: World Wide Web browser and PDF reader.; Mode of access: World Wide Web.; Thesis (M.S.Env.E.)--University of Central Florida, 2011.; Includes bibliographical references (p. 124-129).
M.S.Env.E.
Masters
Civil, Environmental and Construction Engineering
Engineering and Computer Science
Environmental Engineering
Jomaa, Samir. "Combined sludge treatment and production of useful by-products using hydrothermal oxidation". Thesis, Queensland University of Technology, 2001.
Buscar texto completoSteffens, Marc Alexander. "Advanced process control for nutrient removal activated sludge processes /". [St. Lucia, Qld.], 1997. http://library.uq.edu.au/screens/steffens.html.
Texto completoLing, Wai-chung Jackson. "Biological nutrient removal in sequencing batch reactors using fibrous packing medium /". Hong Kong : University of Hong Kong, 1996. http://sunzi.lib.hku.hk/hkuto/record.jsp?B17489477.
Texto completoCopp, John B. "COD balances in biological nutrient (nitrogen and phosphorus) removal activated sludge systems /". *McMaster only, 1998.
Buscar texto completoMao, Yanping y 毛艷萍. "Biological removal of phosphorus and nitrogen from wastewater : new insights from metagenomic and metatranscriptomic approaches". Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2014. http://hdl.handle.net/10722/206323.
Texto completoPopple, Tina. "The behaviour, fate and removal of pharmaceuticals in biological nutrient removal sewage treatment". Thesis, University of Portsmouth, 2013. https://researchportal.port.ac.uk/portal/en/theses/the-behaviour-fate-and-removal-of-pharmaceuticals-in-biological-nutrient-removal-sewage-treatment(7b67f73d-d777-4a25-9b7b-0ae3edcc58dc).html.
Texto completoCao, Keping. "Simultaneous Removal of Carbon and Nitrogen by Using a Single Bioreactor for Land Limited Application". Thesis, Water Resources Research Center, University of Hawaii at Manoa, 1998. http://hdl.handle.net/10125/22230.
Texto completoChen, Wen y 陳雯. "A membrane bioreactor(MBR) for an innovative biological nitrogen removal process". Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2007. http://hub.hku.hk/bib/B39557959.
Texto completoMorrison, Kirk Murray. "An assessment of the potential for biological phosphorus removal in Canadian wastewater treatment plants". Thesis, University of British Columbia, 1988. http://hdl.handle.net/2429/28507.
Texto completoApplied Science, Faculty of
Civil Engineering, Department of
Graduate
Yan, Qingmei y 嚴慶梅. "Biological nitrogen removal of saline wastewater by ammoniumoxidizers". Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2009. http://hub.hku.hk/bib/B42182116.
Texto completo楊龍元 y Lung-yuen Christopher Yeong. "Removal of wastewater cod and nitrogen using fibrous packing media". Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1991. http://hub.hku.hk/bib/B31210636.
Texto completoZhao, Kang y 趙鈧. "An iron-facilitated chemical and biological process for phosphorus removal and recovery during wastewater treatment". Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2013. http://hdl.handle.net/10722/196027.
Texto completopublished_or_final_version
Civil Engineering
Master
Master of Philosophy
Clayton, John Andrew. "Denitrification kinetics in biological nitrogen and phosphorus removal activated sludge systems". Master's thesis, University of Cape Town, 1989. http://hdl.handle.net/11427/21139.
Texto completoLee, N. P. (Nelson Paul). "The affect of anaerobic volume reduction on the University of Cape Town (UCT) biological phosphorus removal process". Thesis, University of British Columbia, 1990. http://hdl.handle.net/2429/29631.
Texto completoApplied Science, Faculty of
Civil Engineering, Department of
Graduate
Casher, Thomas Christopher. "Biological excess phosphorus removal under high rate operating conditions in a suspended growth treatment process". Thesis, University of British Columbia, 1990. http://hdl.handle.net/2429/29464.
Texto completoApplied Science, Faculty of
Civil Engineering, Department of
Graduate
Brannan, Kenneth P. "Substrate stabilization in the anaerobic stage of a biological phosphorus removal system". Diss., Virginia Polytechnic Institute and State University, 1986. http://hdl.handle.net/10919/49992.
Texto completoBanihani, Qais Hisham. "ANAEROBIC - AEROBIC TREATMENT OF DOMESTIC SEWAGE". Diss., The University of Arizona, 2009. http://hdl.handle.net/10150/193820.
Texto completo黃金華 y Kam-wah Wong. "Deritrification in the activated sludge process with controlled anoxicconditions in the aeration tank". Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1987. http://hub.hku.hk/bib/B31208423.
Texto completoMcClintock, Samuel Alan. "Effects of temperature and mean cell residence time on the performance of high-rate biological nutrient removal processes". Diss., This resource online, 1990. http://scholar.lib.vt.edu/theses/available/etd-08252008-162825/.
Texto completoShetty, Ameesha R. "Metal anion removal from wastewater using chitosan in a polymer enhanced diafiltration system". Link to electronic thesis, 2006. http://www.wpi.edu/Pubs/ETD/Available/etd-050406-115241/.
Texto completoMann, Robert A., of Western Sydney Hawkesbury University y Faculty of Science and Technology. "Phosphorus removal by constructed wetlands : substratum adsorption". THESIS_FST_XXX_Mann_R.xml, 1996. http://handle.uws.edu.au:8081/1959.7/333.
Texto completoDoctor of Philosophy (PhD)(Environmental Science)
Rubidge, Gletwyn Robert. "Evaluation and optimization of selected methods of arsenic removal from industrial effluent". Thesis, Port Elizabeth Technikon, 2004. http://hdl.handle.net/10948/230.
Texto completoCronje, Martin. "Investigation of electrochemical combustion plant for rural water disinfection and industrial organic effluent removal". Thesis, Stellenbosch : University of Stellenbosch, 2004. http://hdl.handle.net/10019.1/16292.
Texto completoENGLISH ABSTRACT: Recent years have seen the development of various treatment methods for the purification of industrial waste waters due to the increased demand for reduced pollutant effluents. Aqueous waste streams containing toxic organic compounds are of special interest, since conventional treatment methods such as biological waste treatment can not always be used. Other popular treatment methods are often ineffective. Catalytic oxidation of organic wastes has been investigated since the 1960s with varying degrees of success. A major problem associated with this method is the high temperatures and pressures required to improve the activation energies involved. Electrochemical oxidation has become a popular method in the literature of treating these wastes, since the applied voltage determines the activation energy, and therefore the process can often be performed at ambient conditions. This thesis investigates the capability of a unique reactor system in the treatment of these wastes. The reactor utilises proton-exchange membrane technology to eliminate the requirement of conductivity in treated waste streams; thus the membrane serves as a solid electrolyte. The reactor system has therefore been referred to as a solid-polymer-electrolyte reactor. Novel metal oxide anodes are responsible for the oxidation of the organic molecules. These metal oxide catalysts show promise in the treatment of a wide variety of organic wastes. A SnO2 catalyst doped with ZrO2 is used as anode in this study. Dopants are added to the catalyst to improve properties such as catalytic activity and conductivity. Kinetic data was obtained on a wide range of values for the chosen experimental parameters (current density and flow rate). Phenol, an organic molecule often referred to in the literature as model contaminant due to its resistance to oxidation,was also used as contaminant in this study. The use of the reactor system in the disinfection of water containing selected pathogens, were included in the experimental work. This kinetic data served in the development of a simple model of the process, and provided the basis for a full analysis regarding potential scale-up and economic feasibility. A requirement of the study was the accurate determination of the various oxidation breakdown products of phenol. This led to the refinement of an HPLC analytical method in order to quantitatively determine these products. The full analysis showed that the current reactor system would not be economically viable — mainly due to very long reactor lengths required for the complete removal of all organic material. Both mass transfer and charge transfer at the chosen experimental conditions influenced the electrochemical oxidation of phenol. High pressure drops, causing low flow rates in the reactor, accounted for this because of the narrow flow channels required in the reactor. Some catalyst deactivation was also suspected to affect the overall reaction, but the full extent of the deactivation was not investigated thoroughly. There is still room for improvement in the electrochemical oxidation of organic wastes. The design of the flow channels, a factor that was not investigated, can significantly improve efficiency. Another aspect that was not investigated was the catalyst type. The catalyst has been identified in the literature as the main contributing factor to the success of the oxidation reaction. A wide variety of metal oxide catalysts are currently being researched and may improve the kinetics of the process even further. Further improvement needs to be made on the membrane/electrode assembly to improve current density distribution. Every improvement of the process in terms of the reactor design and catalyst will impact on the economics of the process, thus making the process more competitive with current treatment technologies.
AFRIKAANSE OPSOMMING: In die afgelope paar dekades, is daar ’n wye verskeidenheid metodes ontwikkel wat gebruik kan word om industri¨ele afvoer strome te behandel. Hierdie ontwikkeling het plaasgevind as gevolg van die verhoogde eis aan skoner afvoerstrome. Wateragtige afvoerstrome wat organiese verbindings bevat, is van besonderse belang omdat hierdie tipe strome soms besonders moeilik kan wees om te behandel. Gebruiklike metodes is in die meeste gevalle ongeskik vir behandelings-doeleindes. Katalitiese oksidasie is sedert die 1960’s gebruik, maar hierdie prosesse benodig dikwels ho¨e drukke en temperature om suksesvol te wees. Elektrochemiese oksidasie het intussen ’n populˆere behandelingsmetode geword, aangesien die aktiveringsenergie vir die oksidasieproses hoofsaaklik afhanklik is van die aangewende potensiaal en dus kan die proses by atmosferiese toestande gebruik word. In hierdie tesis word die geskiktheid van ’n unieke reaktorstelsel vir water-suiwering ondersoek. Die reaktor gebruik ’n proton-uitruilings-membraan om die behoefte vir konduktiwiteit in die water uit te skakel. Die membraan dien dus as ’n tipe soliede elektroliet en as gevolg hiervan word na die reaktorstelsel verwys as ’n soliede-polimeer-elektroliet reaktor. Nuwe metaal-oksied anodes word in die reaktor gebruik aangesien hulle belowende resultate toon in die oksidasie van organiese verbindings. In die navorsing, is ’n SnO2 katalis wat klein hoeveelhede ZrO2 bevat gebruik. Oksiede soos ZrO2 word dikwels gebruik om die aktiwiteit en konduktiwiteit van hierdie kataliste te bevorder. Kinetiese data is oor ’n wye bereik van parameter waardes ingesamel. Die hoof parameters in die eksperimentele werk was stroom digtheid en vloeitempo. Fenol, ‘n komponent wat volgens die literatuur in hierdie tipe van werk gebruik word, isas die besoedelende komponent gekies. Die doeltreffendheid van die reaktor in die ontsmetting van water, wat met ’n verskeidenheid skadelike mikro-organismes besmet is, is ook getoets. ‘n Eenvoudinge model is opgestel m.b.v. die kinetiese data, waarna ’n volledige analise met betrekking tot grootskaalse bedryf en ekonomiese uitvoerbaarheid gedoen is. ‘n Vereiste van die studie was om die konsentrasie van die afbreek-produkte van die oksidasie akkuraat vas te stel. As gevolg hiervan is ‘n ho¨e-druk-vloeistofchromatografie analitiese metode verfyn. Die analise het getoon dat die reaktorstelsel nie ekonomies sou wees nie. Een van die hoofredes hiervoor is die onrealistiese reaktorlengtes wat benodig sou word. Resultate het getoon dat die reaksie deur beide massa-oordrag en lading-oordrag be¨ınvloed word. Ho¨e drukvalle in die reaktor wat gelei het tot lae vloeitempo’s was hiervoor verantwoordelik. Die deaktivering van die katalis be¨ınvloed waarskynlik die reaksie, maar die deaktiveringsverskynsel is nie ten volle ondersoek nie. Die reaktorstelsel kan verder verbeter word deur verskeie elemente van die reaktor te ondersoek. Die ontwerp van die vloeikanale in die reaktor is nie ondersoek nie en kan die werksverrigting van die reaktor verhoog. Uit die literatuur is gevind dat die tipe metaaloksied wat as katalis gebruik word, die reaksie direk be¨ınvloed. Dus kan navorsing wat tans op die kataliste gedoen word nuwe kataliste na vore bring wat meer doeltreffend sal wees. Laastens, is die huidige membraan/elektrode samestelling nog oneffektief en kan die reaktor-opstelling dus nog verbeter word. Elke verbetering wat op die bogenoemde faktore van die reaktor ontwerp verkry word, sal die ekomoniese uitvoerbaarheid van die proses be¨ınvloed. So, sal die proses al meer kompeterend met huidige behandelingsmetodes word.
Pokethitiyook, Prayad. "Nitrate utilization as the final electron acceptor in a biological phosphorus removal system". Thesis, This resource online, 1990. http://scholar.lib.vt.edu/theses/available/etd-03122009-040836/.
Texto completoHijazi, Amal. "Nitrogen and phosphorus transformations in fixed-film biofilters subjected to aeration/no-aeration cycles". Thesis, Queensland University of Technology, 1998. https://eprints.qut.edu.au/36070/6/36070_Digitised_Thesis.pdf.
Texto completoLoemker, Rabea. "Nutrient removal in a constructed wetland treating urban stormwater runoff". Thesis, Queensland University of Technology, 2002. https://eprints.qut.edu.au/36156/1/36156_Loemker_2002.pdf.
Texto completoCameron, Kimberley A. "The efficiency and mechanisms for pollutant removal in biological wastewater treatment systems /". Thesis, McGill University, 2001. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=33724.
Texto completoPattarkine, Vikram Madhao. "The role of metals in enhanced biological phosphorus removal from wastewater". Diss., This resource online, 1991. http://scholar.lib.vt.edu/theses/available/etd-08082007-120247/.
Texto completoKendrick, Martin. "Algal bioreactors for nutrient removal and biomass production during the tertiary treatment of domestic sewage". Thesis, Loughborough University, 2011. https://dspace.lboro.ac.uk/2134/8944.
Texto completoKaschula, Wendy A. "The effect of alternative detergent builders on the nutrient removal activated sludge sewage treatment process". Master's thesis, University of Cape Town, 1993. http://hdl.handle.net/11427/8454.
Texto completoPhosphate is an essential nutrient for photosynthetic plant growth. However if over-supplied in a water body, it leads to excessive algal growth, a condition is termed eutrophication. Eutrophication is not only unsightly, but renders the water less usable. Most of the highly eutrophied water bodies with a high phosphorus load still receive up to 90 of their phosphorus input from effluents discharged by sewage treatment works (Pretorius, 1983). The phosphorus content of domestic sewage originates from two main sources, namely human waste {±60) and detergents {±40) (Heynike and Wiechers, 1986). There is an argument for a ban on phosphate in detergents to reduce the phosphate load on sewage treatment plants and thereby limit phosphate discharges via treated municipal effluent. The removal of phosphate from detergent formulations has been an effective way in many countries of reducing the phosphorous load to receiving waters. In South Africa, detergent manufacturers are anticipating consumer pressure to reformulate their detergent products to eliminate phosphate. The two possible replacements for phosphates are zeolite 4A and high surface area {HSA) calcite. High surface area (SA) calcite is not yet being used as a detergent builder, but is being seriously considered as a potential replacement for phosphate in South African detergent formulations.
Beard, Kelly Marie. "Role of oxidants in the removal of iron and organics from Harwood's Mill Reservoir". Thesis, Virginia Polytechnic Institute and State University, 1985. http://hdl.handle.net/10919/104292.
Texto completoLin, Chung-Ho. "Bioremediation capacity of five forage grasses for Atrazine, Balance (Isoxaflutole) and nutrient removal /". free to MU campus, to others for purchase, 2002. http://wwwlib.umi.com/cr/mo/fullcit?p3052192.
Texto completoHart, Vincent S. "An examination of biological phosphorus removal using bacterial counting and poly-β-hydroxybutyrate analysis in batch and continuous flow systems". Thesis, Virginia Tech, 1994. http://hdl.handle.net/10919/40652.
Texto completoMaster of Science
Hanson, Carter Curtis. "Temporal effect on nitrogen removal in a subsurface flow constructed wetland". Virtual Press, 1996. http://liblink.bsu.edu/uhtbin/catkey/1027117.
Texto completoDepartment of Natural Resources and Environmental Management
Grobbelaar, Loreen. "Treatment of biodiesel wastewater in a hybrid anaerobic baffled reactor microbial fuel cell (ABR-MFC) system". Thesis, Cape Peninsula University of Technology, 2019. http://hdl.handle.net/20.500.11838/2812.
Texto completoThe biodiesel industry produces large volumes of biodiesel wastewater (BDWW) during the purification of crude biodiesel. This wastewater is characterised by high concentrations of chemical oxygen demand (COD), biological oxygen demand (BOD), total suspended solids (TSS), and fats, oils and greases (FOG) which in turn defines BDWW as a highly polluted effluent. The low nitrogen and phosphorous content of BDWW creates an unfavourable environment for the growth of microorganisms, thereby making it difficult to degrade naturally. Biodiesel companies discharge untreated non-compliant wastewater directly to the municipal sewer system. Treatment prior to discharge is a necessity since the disposal of untreated BDWW may raise serious environmental concerns (i.e. disturbance of biological ecosystems) resulting in penalties liable by non-compliant companies due to the implementation of the waste discharge charge system (WDCS) which is regulated by the industrial waste discharge standard limits in South Africa (SA). This study aimed to combine the advantages of the conventional anaerobic baffled reactor (ABR) system with microbial fuel cell (MFC) technology resulting in an innovative technology used to treat high strength industrial BDWW at ambient conditions. Many studies have reported effective treatment of BDWW, however to date literature implementing an ABR equipped with MFC technology has not been reported. The main objectives of the study were to determine which parameters do not meet the industrial wastewater discharge standard limits, whether pH and carbon:nitrogen:phosphorous (C:N:P) ratio adjustments will suffice prior to treatment with the ABR-MFC, the maximum power density (PD) as well as to determine the treatment efficiency of the ABR-MFC.
Hsu, Chung-Jung. "The removal of phenols from oily wastewater by chlorine dioxide". Thesis, Virginia Tech, 1988. http://hdl.handle.net/10919/45159.
Texto completoChlorine dioxide was used for the removal of phenolic compounds from these oily wastewaters. Most of phenolic compounds can be destroyed by chlorine dioxide within 15 minutes if CI02-to-phenol ratios of higher than 5.0 are provided. Factors such as pH, temperature, and COD have little effect on phenol removal.
The effectiveness of chlorine dioxide treatment depends critically on the performance
of the chlorine dioxide generator. High yields of chlorine dioxide generation
can be achieved by maintaining the pH between 2.5 and 3.5, and by
controlling the concentration of feed chemicals.
For small treatment plants, chlorine dioxide treatment may be an economical
process because no expensive equipment is required.
Master of Science
Nash, Jeffrey William. "Characteristics and conditioning of anaerobically digested sludge from a biological phosphorus removal plant". Thesis, Virginia Tech, 1989. http://hdl.handle.net/10919/44128.
Texto completoMaster of Science