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Dissertations / Theses on the topic 'Wastewater influent and effluent'

Author: Grafiati

Published: 2 June 2025

Last updated: 31 July 2025

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1

Oladapo, Francis Olumide. "Investigation of androgen receptor antagonist compounds present in influent and effluent from a wastewater works." Thesis, University of Sussex, 2012. http://sro.sussex.ac.uk/id/eprint/39730/.

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A wide range of synthetic chemicals and their metabolites present in the environment can antagonise the receptor activity of androgen hormones present in wildlife and humans. With increasing global production of new synthetic chemicals, little is known about their environmental fate, health consequences and end-points. This study was conducted to identify and characterise chemicals with anti-androgenic activity present in wastewater influent and effluent. This study was undertaken by applying a combination of biological and analytical chemistry techniques involving Solid Phase Extraction (SPE)

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2

Jiwani, Ashifa. "Influence of plant operating conditions on the dewaterability of surplus activated sludge." Thesis, Imperial College London, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.243950.

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3

Waltman, Elise Lyn. "Concentrations of Triclosan in the City of Denton Wastewater Treatment Plant, Pecan Creek, and the Influent and Effluent of an Experimental Constructed Wetland." Thesis, University of North Texas, 2004. https://digital.library.unt.edu/ark:/67531/metadc4562/.

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The Pecan Creek Waste Reclamation Plant in Denton, Texas, an activated sludge WWTP, was sampled monthly for ten months to determine seasonal and site variation in concentrations of triclosan (5-chloro-2-(2,4-dichlorophenoxy)phenol), an antibacterial additive. SNK separation after the highly significant ANOVA on ranked data were: summer = fall > winter = spring and influent > downstream = effluent = wetland inflow > wetland outflow (a=0.05). After the plant converted to ultraviolet disinfection, measurements were made before and after the UV basin to determine if significant amounts of triclos

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4

Peterson, Mark. "Electrodisinfection of Municipal Wastewater Effluent." ScholarWorks@UNO, 2005. http://scholarworks.uno.edu/td/294.

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To avoid the spread of disease from sewage treatment effluents, pathogenic microorganisms present must be destroyed by one or a combination of disinfection methods. Chlorine remains the predominant disinfectant used although it consumes considerable amounts of energy and has associated exposure risks from production, transportation and storage of this poisonous gas. In addition to bacteria and other objectionable microorganisms, color, suspended and colloidal solids also require removal from water for reuse. Aluminum and iron additions have been used to coagulate and remove non-settle

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5

Chan, Kwok Ho. "Potential Reuse of wastewater effluent in Macau." Thesis, University of Macau, 2009. http://umaclib3.umac.mo/record=b1944060.

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6

Schrader, Guillo Alexander. "Direct nanofiltration of wastewater treatment plant effluent." Enschede : University of Twente [Host], 2006. http://doc.utwente.nl/55981.

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7

Littlehat, Jr Peter. "Thyromimetic and Proteomic Analysis of Secondary Wastewater Effluent." Diss., The University of Arizona, 2007. http://hdl.handle.net/10150/193857.

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Wastewater reclamation and reuse is imperative in water-starved areas such as the southwestern United States. In the Tucson Active Management Area, a geographic region defined for the purpose of groundwater management, the total demand for water already exceeds the available water supply, which consists of renewable ground water and the regional entitlement to Central Arizona Project water. Thus, the regional demand cannot be satisfied without resorting to groundwater mining unless water is reclaimed for local beneficial use. Less certain are the acceptable uses for reclaimed water and the nat

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8

Miqdadi, Issam Mahmoud Ahmad. "Removal of algae from facultative pond effluent." Thesis, University of Newcastle Upon Tyne, 1992. http://hdl.handle.net/10443/475.

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Wastewater stabilization ponds have gained popularity as a means of secondary wastewater treatment because of their low cost and simplicity of operation and maintenance, in addition to several other advantages. However, the presence of algae in the effluent from facultative ponds may cause undesirable environmental impacts, such as DO depletion or eutrophication, in water bodies to which this effluent is discharged. Thus, regulations and/or the adverse environmental impacts of effluents containing algae sometimes necessitate reduction or removal of algae from pond effluents. Many methods have

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9

Frieberg, Kim. "Effects of effluent wastewater in developing zebrafish (Danio rerio)." Thesis, Uppsala universitet, Institutionen för biologisk grundutbildning, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-348556.

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Traditional wastewater treatment is known not to be specifically designed to eliminate the new generation of chemical residues that ends up in the sewage system. Polluted wastewatereffluent therefore reaches the aquatic environment possibly causing adverse effects in aquatic wildlife. The effects of effluent water from five Swedish sewage treatment plants sampled on 6 occasions 2017, were studied in developing zebrafish (Danio rerio). The study included morphological, physiological and behavioural endpoints. Overall there were few effectswhere deviations from control animals could be seen in t

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10

Vajda, Alan Milan. "Reproductive disruption of fishes by endocrine-active wastewater effluent." Diss., Connect to online resource, 2006. http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:3207688.

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11

Alcalá, Borao Raquel. "Oxidation of pharmaceuticals by chlorine dioxide in wastewater effluent." Thesis, KTH, Mark- och vattenteknik, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-171862.

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The presence of pharmaceuticals in the environment has raised an emerging interest due to the fact that they pose negative environmental impact and health hazards related to long-term toxicity effects. As conventional treatments are not able to totally remove these substances it is necessary to seek for alternative advanced technologies such as oxidation with chlorine dioxide (ClO2). The objective of this master thesis is thus to find the most optimal dose – reaction time of ClO2 for the oxidation and maximum removal of selected environmentally relevant pharmaceuticals. Factorial design and su

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12

Marshall, Melanie M. "Interactive effects of wastewater effluent on stream food webs." Bowling Green State University / OhioLINK, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=bgsu1563457844184326.

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13

De, Bel Maud. "Techniques for the evaluation of wastewater treatment processes." Thesis, Cranfield University, 2001. http://dspace.lib.cranfield.ac.uk/handle/1826/10437.

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This study focussed on extending and applying techniques to measure hydrodynamic characteristics in treatment units at sewage works. Use was made of tracer dye studies and a spreadsheet based analysis tool. The resulting infonnation about residence time, tank conguration and pathological behaviour was linked to other infonnation from respirometry and flow and load studies. Characterising the wastewater process will become increasingly important as the economic and compliance drivers in the operation of wastewater treatment facilities become increasingly pronounced. Case studies at Royton WWTW,

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14

Thomas, David N. "Flocculation modelling in wastewater treatment." Thesis, Cranfield University, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.323835.

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15

Hosseini, Rahilsadat. "Wastewater's total influent estimation and performance modeling: a data driven approach." Thesis, University of Iowa, 2011. https://ir.uiowa.edu/etd/2716.

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Wastewater treatment plants (WWTP) involve several complex physical, biological and chemical processes. Often these processes exhibit non-linear behavior that is difficult to describe by classical mathematical models. Safer operation and control of a WWTP can be achieved by developing a modeling tool for predicting the plant performance. In the last decade, many studies were realized in wastewater treatment based on intelligent methods which are related to modeling WWTP. These studies are about predictions of WWTP parameters, process control of WWTP, estimating WWTP output parameters character

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16

Carolan, R. P. "Industrial wastewater treatment by dissolved air flotation and sedimentation." Thesis, Queen's University Belfast, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.368757.

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17

Ilunga, Wighens Ngoie. "Reduction of ammonia from wastewater effluent using modified activated clay." Thesis, Cape Peninsula University of Technology, 2013. http://hdl.handle.net/20.500.11838/916.

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Thesis submitted in partial fulfilment of the requirement for the degree of Master of Technology: Chemical Engineering at the Cape Peninsula University of Technology, 2013<br>It has been noticed that effluent from wastewater treatment plants in South Africa does not comply with the minimum requirements of environmental standards of wastewater effluent for discharge into the environment. This is due to the presence of soluble, persistent organic pollutants (POPs) and other related pollutants, in particular ammonia (PakWaterCare Services, 2011). To rectify this situation, this study sought to tr

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18

Song, Zhi. "Investigation of the treatment of mixed tannery wastewater." Thesis, University of Sheffield, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.341800.

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19

Denvir, Adrian James. "Electrochemical preparation and application of the ferrate (VI) ion for wastewater treatment." Thesis, University of Southampton, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.296446.

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20

Bodoh, Michael J. "Reduction of chloride in wastewater effluent with utilization of Six Sigma." Menomonie, WI : University of Wisconsin--Stout, 2006. http://www.uwstout.edu/lib/thesis/2006/2006bodohm.pdf.

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21

Lettie, Lucia. "REMOVAL OF REFRACTORY TKN FROM AN EFFLUENT WASTEWATER USING SODIUM FERRATE." Master's thesis, University of Central Florida, 2006. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/4326.

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This research addresses refractory forms of nitrogen that, even with advanced biological nitrification-denitrification systems are not removed completely from domestic wastewater. TKN (Total Kjeldahl Nitrogen), ammonia plus organic nitrogen, is one of the forms to measure the levels of nitrogen present in effluent wastewaters. Ferrate, a strong oxidant, was used for the treatment of these nitrogen forms with the objective of producing nitrogen compounds that can be removed by subsequent biological processes. Bench-scale experiments were performed on effluent samples taken prior to chlorination

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22

Flugaur, Nicholas J. "Wastewater effluent treatments and control technologies in the beef processing industry." Online version, 2003. http://www.uwstout.edu/lib/thesis/2003/2003flugaurn.pdf.

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23

Paraskeva, Panagiota. "The treatment of a secondary municipal effluent by ozone." Thesis, Imperial College London, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.298426.

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24

Stear, Robert Martin. "Effects of salinity on the settling properties of activated sludge." Thesis, University of Nottingham, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.243497.

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25

Santín, López Ignacio. "Application of control strategies in wastewater treatment plants for effluent quality improvement, costs reduction and effluent limits violations removal." Doctoral thesis, Universitat Autònoma de Barcelona, 2015. http://hdl.handle.net/10803/305238.

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En este trabajo se aplican diferentes estrategias de control en las plantas de tratamiento de aguas residuales. El primer objetivo es la mejora del rendimiento de control. Básicamente, esto sirve como una prueba de que la estrategia de control propuesta se ha aplicado correctamente. El objetivo final es el efecto de la estrategia de control aplicada sobre el rendimiento de la planta. En concreto, mejorar la calidad del efluente, reducir costes de operación y evitar violaciones de los límites establecidos en el efluente. La evaluación de las diferentes estrategias de control se lleva a cabo en

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26

Gunn, Kpoti Mawutodzi. "Developing Strategies For Year-Round Spray Irrigation of Wastewater Effluent in Ohio." The Ohio State University, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=osu1262207613.

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27

Meng, Fanlin. "The impact of innovative effluent permitting policy on urban wastewater system performance." Thesis, University of Exeter, 2015. http://hdl.handle.net/10871/19393.

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This thesis investigates innovative effluent point-source permitting approaches from an integrated urban wastewater system (UWWS) perspective, and demonstrates that three proposed permitting approaches based on optimal operational or control strategies of the wastewater system are effective in delivering multiple and balanced environmental benefits (water quality, GHG emissions) in a cost-efficient manner. Traditional permitting policy and current flexible permitting practices are first reviewed, and opportunities for permitting from an integrated UWWS perspective are identified. An operationa

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28

Conroy, Otakuye. "Estrogenic and Anti-estrogenic Activity Present in Wastewater Effluent and Reclaimed Water." Diss., The University of Arizona, 2006. http://hdl.handle.net/10150/195538.

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Water demand in the semiarid southwestern United States is approachingsustainable limits. Treated wastewater is frequently the last major untapped waterresource. Secondary effluent contains traces of hormones and other endocrine disruptingcontaminants. In Tucson, the vast majority of treated wastewater is either discharged tothe Santa Cruz River (which would otherwise be dry for 10-11 months of the year, orinfiltrated for groundwater recharge at the Sweetwater Recharge Facility (SRF). Soilaquifertreatment at the SRF is relied upon to polish effluent prior to its recoveryand reuse for landscape

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29

Tyldesley, Kathryn Victoria. "The effects of wastewater treatment processes on the oestrogenic and anti-androgenic activity of UK wastewater treatment works effluent." Thesis, University of Exeter, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.441795.

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30

Savage, Matthew John. "Integrated Treatment Processes For Primary Wool Scouring Effluent." Thesis, University of Canterbury. Chemical and Process Engineering, 2003. http://hdl.handle.net/10092/1125.

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The increasing cost of effluent treatment in the wool scouring industry is rapidly becoming a determining factor in the viability of existing scouring operations and new installations alike. This thesis details the development of an integrated effluent treatment process capable of treating the worst polluted effluent from a wool scour "heavy flow-down", to the point where it can either be economically discharged to local trade waste sewer, or directly discharged to river or ocean outfall with minimal environmental impact. The existing proprietary chemical flocculation process, Sirolan CF™, was

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31

Campos, Pena Aline C., L. F. Trierweiler, and M. Gutterres. "Influence of Photoperiod on Biomass Production and Removal of Nutrients from Tannery Effluents with Microalgae Consortium - 19." Verein für Gerberei-Chemie und -Technik e. V, 2019. https://slub.qucosa.de/id/qucosa%3A34223.

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Content: Wastewater from tanneries besides having toxic compounds also contain nutrients such as carbon, phosphorus, and nitrogen, which facilitate the rapid multiplication of microalgae. Currently, many types of researches search microalgae capable of growing in industrial effluents, exploiting the advantages of removing the nutrients present in these waters and producing biomass with high value- added. The liquid effluents produced in tanneries for finished leather have essential nutrients for the growth of microalgae, but also some compounds that may restrict or hinder the growth of microal

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32

Addleton, Andrew Mark. "Microbial degradation of aromatic compounds in a Gravel Bed Hydroponic (GBH) system." Thesis, University of Portsmouth, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.310474.

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33

Ye, Zhi Hong. "Heavy metal tolerance, uptake and accumulation in populations of Typha latifolia L. and Phragmites australis (Cav.) trin ex. streudel." Thesis, University of Sheffield, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.319446.

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34

Rowan, Michael A. "The utility of drip Irrigation for the distribution of on-site wastewater effluent." The Ohio State University, 2004. http://rave.ohiolink.edu/etdc/view?acc_num=osu1078848711.

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35

Paul, Craig M. "Microbial and Chemical Affects on Leachate from Calcareous Soils Treated with Wastewater Effluent." BYU ScholarsArchive, 2005. https://scholarsarchive.byu.edu/etd/462.

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Increasing human populations are placing greater strain on water resources, prompting the use of treated wastewater effluent for irrigation in some areas, including the desert regions of the Western United States. To determine the potential effects of using secondary effluent for irrigation, we applied wastewater effluent and irrigation waters to natural and artificially constructed calcareous soils in greenhouse and field lysimeters, and in soil columns. The leachate from one field lysimeter contained increased fecal coliform counts than the effluent. Leachate coliform counts were decreased o

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36

Bäckström, Nilsson Wilma. "Catalytic Ozonation with MnOx-CeOx/ γ-Al2O3 for Wastewater Treatment of Textile Effluent". Thesis, KTH, Skolan för kemi, bioteknologi och hälsa (CBH), 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-266156.

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In China, the textile industry is important for the economy. However, the industry contributes to emissions of organic material and other pollutants. This affects the environment and the quality of life for people and animals. All over the world, water scarcity is becoming an increasing problem, which is why the UN has water purification as one of the goals for sustainable development. To achieve these goals and the regulations in countries, wastewater is purified in water treatment plants before it is discharged. One of the methods that can be used to purify water is catalytic ozonation, an o

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37

Loo, Maylene G. K. "Effects of wastewater effluent on macrobenthic infaunal communities at Christies Beach, South Australia /." Title page, table of contents and abstract only, 2001. http://web4.library.adelaide.edu.au/theses/09PH/09phl8625.pdf.

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38

Bragg, Amanda Leann. "Phosphorus reduction in dairy effluent through flocculation and precipitation." Thesis, Texas A&M University, 2003. http://hdl.handle.net/1969.1/1646.

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Phosphorus (P) is a pollutant in freshwater systems because it promotes eutrophication. The dairies in the North Bosque and its water body segments import more P than they export. Dairies accumulate P-rich effluent in lagoons and use the wastewater for irrigation. As more P is applied as irrigation than is removed by crops, P accumulates in the soil. During intense rainfall events, P enters the river with stormwater runoff and can become bio-available. Reducing the P applied to the land would limit P build up in the soil and reduce the potential for P pollution. Since wastewater P is ass

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39

Grabowiecki, Piotr. "Combined permeable pavement and ground source heat pump systems." Thesis, University of Edinburgh, 2010. http://hdl.handle.net/1842/4649.

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The PhD thesis focuses on the performance assessment of permeable pavement systems incorporating ground source heat pumps (GSHP). The relatively high variability of temperature in these systems allows for the survival of pathogenic organisms within the sub‐base. Salmonella sp, Escherichia coli, Enterococci and total heterotrophic bacteria were analysed in order to assess potential risk to health. Supplementary carbon dioxide monitoring indicated relatively high microbial activity on the geotextile and within the lower parts of the sub‐base. Anaerobic processes were concentrated in the space ar

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40

Duncan, Carla S. "Wastewater renovation with soil depth as influenced by additional treatment of septic tank effluent." Thesis, This resource online, 1994. http://scholar.lib.vt.edu/theses/available/etd-10312009-020406/.

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41

Vela, Arturo Castro. "POTENTIAL FOR USE OF EFFLUENT WASTEWATER TREATED BY SOIL AQUIFER TREATMENT IN BANNING, CALIFORNIA." CSUSB ScholarWorks, 2015. https://scholarworks.lib.csusb.edu/etd/210.

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With the ever increasing demand for potable water due to the continued increase in population coupled with the threat of California’s current drought, water will remain a limited resource that must be managed responsibly. In order to strategically plan and manage water use in the most beneficial manner, water providers must take into account all sources of water, including recycled water and their applications. Recycled water as a source for supplementing high quality potable water is a sustainable strategy that will prove to be an essential tactic in any water management plan. The purpose of

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42

Alvares, A. Brenda C. "Ozone pretreatment to improve the biodegradation of recalcitrant textile azo dyes during wastewater treatment." Thesis, Cranfield University, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.391572.

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43

Sabienski, Lina. "Characterization of microplastics in wastewater." Thesis, Örebro universitet, Institutionen för naturvetenskap och teknik, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:oru:diva-86249.

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This study aims to detect how many microplastics and what kind are released from the wastewater treatment plant (WWTP) Skebäck, in Örebro. The study was limited to the analysis of three filters with 50 μm mesh size and one filter with 300 μm mesh size. The samples were taken at different times, two in the fall of 2019 and one in the spring of 2020. Visual characterization was used for the quantification of microplastics, and a lower and upper bound was used. The lower bound represents particles that were deemed identifiable as plastic with high certainty, while the upper bound also includes pa

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44

Pinheiro, José Alberto Ribeiro. "Aproveitamento de águas de ETAR para abastecimento de cisternas, autotanques e equipamentos similares e rega de espaços públicos. O caso da Estação de tratamento de águas residuais de Fernão Ferro no concelho do Seixal." Master's thesis, ISA/UTL, 2011. http://hdl.handle.net/10400.5/4085.

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Mestrado em Engenharia do Ambiente - Tecnologias Ambientais - Instituto Superior de Agronomia<br>TheEarth's water resourcesare limited and its availabilityisnotgeographicallyevenlydistributed.Only1% of all existing water is fresh waterandistherefore likely tobe usedfor human consumption. To achieve environment sustainability, it is essential the protection of complex ecosystems and the wise use of natural resources; our survival could depend on this. Sustainability cannot be achieved with current models of consumption and the disproportionate use of resources. One solution to this problem is t

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45

Aryal, Ashok. "Investigation of pre-treatment used for organic foulant removal from wastewater effluent on fouling of membranes used for wastewater treatment and reuse." Thesis, Curtin University, 2009. http://hdl.handle.net/20.500.11937/1891.

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The volume of global water is very large. However, the source of water on the globe is finite and also distributed in quite uneven manner. In addition to this, freshwater source is dwindling and becoming scarce from human intervention including anthropogenic input, reduced rainfall due to climate change and increased water demand for drinking, hydropower, irrigation and industrial use combine with increasing pollution load from urban, industrial and agricultural discharges. This results many part of the world with only limited or no fresh water source to meet the increasing water demand. So, d

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46

Ntshoko, Zintle. "Low cost pineapple peel biosorbent for the removal of aqueous cobalt from textile wastewater effluent." Thesis, Cape Peninsula University of Technology, 2020. http://hdl.handle.net/20.500.11838/3114.

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Thesis (MEng (Civil Engineering))--Cape Peninsula University of Technology, 2020<br>The concept of waste and waste management is a Civil Engineering problem. Billions of Rands is spent each year to cater for industrial and municipal waste of a constantly increasing population. Traditional waste management practice prioritises landfilling as a primary and ultimate means of waste disposal. All capital-intensive projects end up transferring the original waste from one form to another or entombing the waste as is the case with landfilling. An alternative solution to the conventional practices in s

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47

Perusini, Heather Brittany. "Temporal Variation of Mercury in Effluent from Two Municipal Wastewater Treatment Plants in Southwest Ohio." Wright State University / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=wright1472248610.

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48

Vins, Wesley J. "Residential Septic Tank Effluent Treatment by Disturbed Darien Soil." Connect to resource online, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=ysu1266610669.

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49

Treese, Samantha. "Stream/Aquifer Interactions in a Semi-Arid Effluent Dependent River: A Clogging Conceptual Model." Thesis, The University of Arizona, 2008. http://hdl.handle.net/10150/193317.

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Treated wastewater (effluent) has been used as a water source for aquifer recharge and sustaining perennial surface water flow. Artificial recharge basins allow effluent to seep into the ground relieving stressed aquifers. However, these basins frequently become clogged due to physical, chemical, and biological processes. Effluent is also used to replace baseflow for dry streambeds. However, little is known about the effect of effluent on stream-aquifer interactions. Effluent from the Nogales International Waste Water Treatment Plant sustains perennial flow in the Upper Santa Cruz River, Ariz

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50

Chipula, Grivin. "Optimising nutrient potential from compost and irrigation with wastewater to meet crop nutritional requirements." Thesis, Cranfield University, 2013. http://dspace.lib.cranfield.ac.uk/handle/1826/7951.

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Globally agricultural production is facing serious challenges to provide adequate food supply to meet a growing population. However, the reduced capacity of soil to support and sustain agricultural production as a result of soil fertility decline is impacting negatively on agricultural growth. Increase in the price of inorganic fertilisers and limited availability of nutrients from organic amendments has reduced progress in improving soil fertility. This research therefore aims at contributing knowledge towards evaluating the maximisation/optimisation of nutrients in compost and secondary trea

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