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Dissertations / Theses on the topic 'Agricultural wastewater treatment'

Author: Grafiati

Published: 28 June 2021

Last updated: 13 February 2022

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1

Geber, Ulrika. "Integration of wastewater treatment in agro-ecosystems /." Uppsala : Swedish Univ. of Agricultural Sciences (Sveriges lantbruksuniv.), 2000. http://epsilon.slu.se/avh/2000/91-576-5745-9.pdf.

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2

Alka, U. "Integration of urban wastewater treatment with agricultural reuse in developing countries." Thesis, University of Newcastle Upon Tyne, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.354418.

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3

Sarikaya, Ebru. "Agricultural Reuse Of Water And Nutrients From Wastewater Treatment In Izmir Region." Master's thesis, METU, 2012. http://etd.lib.metu.edu.tr/upload/12614337/index.pdf.

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Rapid urbanization and population growth have represented a great challenge to water resources management, since wastewater generated in urban areas forms a non-conventional source, wastewater reuse is being recognized as a sustainable water management approach. This study focuses on with the potential and practibility of implementing wastewater reuse techniques in Izmir region, especially with the aim to use treated wastewater and nutrient for agriculture. To this end, qualititative and quantitative agricultural water demand were considered. This thesis introduces a wastewater reuse planni

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4

Lefebvre, Louis. "Bioflocculation of Wastewater Treatment Pond Suspended Solids." DigitalCommons@CalPoly, 2012. https://digitalcommons.calpoly.edu/theses/904.

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Bioflocculation of Wastewater Treatment Pond Suspended Solids Louis Lefebvre Wastewater treatment lagoons and high rate algae ponds (HRAPs) can provide cost effective wastewater treatment, but they commonly have high effluent concentrations of total suspended solids (TSS). In this thesis algae pond effluent was treated in a beaker testing apparatus (mixed and aerated) with various mixtures of activated sludge and primary effluent simulating differing activated sludge aeration basin compositions then was allowed to settle to assess settleability. Conventionally, microalgal suspended solids are

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5

Twohig, Eamon. "Evaluating Methane Emissions from Dairy Treatment Materials in a Cold Climate." ScholarWorks @ UVM, 2012. http://scholarworks.uvm.edu/graddis/231.

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Treating elevated nutrients, suspended solids, oxygen demanding materials, heavy metals and chemical fertilizers and pesticides in agricultural wastewaters is necessary to protect surface and ground waters. Constructed wetlands (CWs) are an increasingly important technology to remediate wastewaters and reduce negative impacts on water quality in agricultural settings. Treatment of high strength effluents typical of agricultural operations results in the production of methane (CH4), a potent greenhouse trace gas. The objective of this study was to evaluate CH4 emissions from two subsurface flow

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6

VALENCIA, CLAUDIA ALEXANDRA VIZCARRA. "APPLICATION OF ACTIVATED CARBON AND OTHER CARBONACEOUS MATERIAL IN THE TREATMENT OF AGRICULTURAL WASTEWATER." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2007. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=10607@1.

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COORDENAÇÃO DE APERFEIÇOAMENTO DO PESSOAL DE ENSINO SUPERIOR<br>CONSELHO NACIONAL DE DESENVOLVIMENTO CIENTÍFICO E TECNOLÓGICO<br>A partir do trabalho de campo feito na região agrícola de Nova Friburgo, RJ, determinou-se que o pesticida Paraquat é altamente usado. Investigou-se o processo de adsorção com carvão ativado e carvão vegetal deste pesticida em solução aquosa, como uma alternativa para o tratamento de águas residuarias da região. Foi utilizado um resíduo de carvão vegetal, denominado carvão A; e dois carvões ativados comerciais de procedências distintas, denominados respectivamen

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7

Hofstedt, Charlotta. "Wastewater use in Agriculture in Andhra Pradesh, India : An evaluation of irrigation water quality in reference to associated health risks and agricultural suitability." Thesis, Uppsala University, Department of Earth Sciences, 2005. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-88888.

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<p>Användandet av obehandlat avloppsvatten inom jordbruket är en växande företeelse i många delar av världen. Speciellt i vattenfattiga områden där avloppsvattnet ses som en värdefull och pålitlig resurs. Det höga näringsinnehållet minskar behovet av konstgödsel och detta ökar böndernas inkomster. Men med användandet av avloppsvattnet följer vissa hälsorisker. Bland annat har man sett en högre förekomst av inälvsmaskar hos bönder som använder orenat avloppsvatten jämfört med de som använder rent vatten. Den här vattenkvalitetstudien har utförts längs floden Musi i Andhra Pradesh, Indien. Musi

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8

Chen, Feng. "Evaluating the Performance of Sand/Gravel Bioreactors in Treatment of High Strength, High Salinity Wastewater." The Ohio State University, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=osu1461076223.

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9

Toledo, De Leon Rogelio. "Predicting Hydrological Performance of Engineered (Curtain) Drains for On-Site Wastewater Treatment Systems Installed in Poorly Drained Soil." The Ohio State University, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=osu1417713887.

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10

Ghumrawi, Marwa Jamal. "Potential for Nitrogen Losses from On-Site Wastewater Treatment Systems on Poorly Drained Soils to Curtain Drains." The Ohio State University, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=osu1471876488.

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11

Kromrey, Natalie A., and University of Lethbridge Faculty of Arts and Science. "The effects of wastewater treatment plant effluent and agricultural runoff on the reproductive systems of fathead minnow, Pimephales promelas." Thesis, Lethbridge, Alta. : University of Lethbridge, Dept. of Biological Sciences, c2009, 2009. http://hdl.handle.net/10133/2519.

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Endocrine disrupting compounds and pesticides have been detected in rivers and irrigation canals of Southern Alberta, a semiarid region with irrigation-dependent crop production, intensive livestock operations, and a growing human population. However, little is known about the effects of agricultural runoff or wastewater treatment plant (WWTP) effluent in Southern Alberta on fish. Reproductive effects of WWTP effluents from the cities of Lethbridge and Medicine Hat, as well as agricultural runoff in the Lethbridge Northern Irrigation District canals, were investigated in a field study with wil

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12

Lansing, Stephanie A. "Performance and Optimization of Low-cost Digesters for Energy Production and Treatment of Livestock Wastewater." The Ohio State University, 2008. http://rave.ohiolink.edu/etdc/view?acc_num=osu1223474543.

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13

Talley, Mary Katherine. "Analysis of a pilot-scale constructed wetland treatment system for flue gas desulfurization wastewater." Thesis, Kansas State University, 2012. http://hdl.handle.net/2097/15070.

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Master of Science<br>Department of Biological and Agricultural Engineering<br>Stacy L. Hutchinson<br>Coal-fired generation accounts for 45% of the United States electricity and generates harmful emissions, such as sulfur dioxide. With the implementation of Flue Gas Desulfurization (FGD) systems, sulfur dioxide is removed as an air pollutant and becomes a water pollutant. Basic physical/chemical wastewater treatment can be used to treat FGD wastewater, but increased regulations of effluent water quality have created a need for better, more economical wastewater treatment systems, such as cons

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14

Starnes, Daniel L. "THE EFFECTS OF MANUFACTURED NANOMATERIAL TRANSFORMATIONS ON BIOAVAILABILITY, TOXICITY AND TRANSCRIPTOMIC RESPONSES OF CAENORHABDITIS ELEGANS." UKnowledge, 2016. http://uknowledge.uky.edu/pss_etds/74.

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In recent decades, there has been a rapid expansion in the use of manufactured nanoparticles (MNPs). Experimental evidence and material flow models predict that MNPs enter wastewater treatment plants and partition to sewage sludge and majority of that sludge is land applied as biosolids. During wastewater treatment and after land application, MNPs undergo biogeochemical transformations (aging). The primary transformation process for silver MNPs (Ag-MNPs) is sulfidation, while zinc oxide MNPs (ZnO-MNPs) most likely undergo phosphatation and sulfidation. Our overall goal was to assess bioavailab

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15

Rinquest, Zainab. "Poultry slaughterhouse wastewater treatment using a static granular bed reactor (Sgbr) coupled with a hybrid sidestream membrane bioreactor." Thesis, Cape Peninsula University of Technology, 2017. http://hdl.handle.net/20.500.11838/2638.

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Thesis (MTech (Chemical Engineering))--Cape Peninsula University of Technology, 2017.<br>An increase in the demand for poultry products coupled with the potable water shortages currently experienced in South Africa (SA), attributed to climate change among other factors, makes it crucial for SA to develop water conservation strategies to minimize potable water consumption by water-intensive industries, such as the poultry industry. The development of innovative wastewater treatment processes is therefore paramount in attempting to counteract the large quantity of wastewater generated as we

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16

Bezerra, Keyve Mayane. "Characterization of sludge generated at wastewater treatment plants health of the metropolitan region of Fortaleza aiming its use in agriculture." Universidade Federal do CearÃ, 2014. http://www.teses.ufc.br/tde_busca/arquivo.php?codArquivo=12683.

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CoordenaÃÃo de AperfeiÃoamento de Pessoal de NÃvel Superior<br>A elevada produÃÃo de lodo nos grandes centros urbanos, aliada Ã necessidade de destinaÃÃo final adequada, tem gerado sÃrios problemas ambientais no paÃs. A maior parte do lodo produzida no mundo Ã destinada Ã incineraÃÃo, disposiÃÃo em aterros e uso agrÃcola. Dentre as alternativas de reaproveitamento, uma tÃcnica viÃvel Ã a utilizaÃÃo como adubo orgÃnico, devido aos nutrientes contidos, tornando-o um insumo com elevado valor econÃmico. O objetivo desse trabalho foi caracterizar o lodo proveniente de estaÃÃes de tratamento de esg

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17

Basitere, Moses. "Performance evaluation of an up- and down-flow anaerobic reactor for the treatment of poultry slaughterhouse wastewater in South Africa." Thesis, Cape Peninsula University of Technology, 2017. http://hdl.handle.net/20.500.11838/2632.

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Thesis (DTech (Chemical Engineering))--Cape Peninsula University of Technology, 2017.<br>The process of anaerobic digestion (AD) is one of the most cost-effective and environmentally sustainable technologies to treat wastewater in the agricultural sector. In South Africa, in some industries in the agricultural sector, such as the poultry industry in particular, slaughterhouses have the highest consumption of potable water, culminating in the production of a large quantity of high strength wastewater. This high consumption of potable water has become a concern in South Africa due to water scarc

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18

Mancl, Karen M. "Environmental Technology Transfer to Rural China." The Ohio State University, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=osu1275426853.

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19

Furtado, Ricardo Dourado. "Tratamento de efluentes gredaos pela lavagem de aeronaves agrícolas e pelo descarte das aplicações aéreas de agrotóxicos." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2012. http://hdl.handle.net/10183/70046.

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Esta tese tem como objetivo analisar a eficiência de um sistema de tratamento de efluentes gerados na lavagem de aeronaves agrícolas e pelo descarte dos agrotóxicos não utilizados na aplicação aérea. O sistema é composto por piso de lavagem impermeabilizado, tanque de decantação, sistema de oxidação por ozônio e leito de volatilização. Esta pesquisa foi dividida em duas fases. Na Fase 1, acompanhou-se as campanhas de aplicações aéreas, coletando-se dados como: quantidade de efluente gerado, de água consumida e os agrotóxicos utilizados a fim de gerar informações para o experimento proposto e c

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20

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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21

Henderson, Kelsey. "Reverse Osmosis as a Chemical-Free Technology for the Removal of Nutrients from Cure Meat Processing Wastewater." The Ohio State University, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=osu1563470474960378.

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22

Uhlířová, Marcela. "Využití membrán pro zpracování odpadních vod ze zemědělství." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2021. http://www.nusl.cz/ntk/nusl-443232.

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This thesis deals with an agricultural wastewater treatment (liquid digestate) by membrane technology. There is a fundamental description of characteristics of membrane technology with regard to application of agricultural wastewater treatment in this thesis. Experimental device for treatment of liquid digestate is designed and it consists of three steps – microfiltration, ultrafiltration and reverse osmosis. The first step consists of four filters with different pore sizes (80, 25, 10 and 5 µm). The second step is ultrafiltration and the third and key step is reverse osmosis. In the final ste

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23

Lama, Felipe Morais Del. "Aproveitamento da água residual do processamento do pescado em irrigação." Universidade de São Paulo, 2018. http://www.teses.usp.br/teses/disponiveis/64/64135/tde-14112018-112541/.

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A água residual do processamento do pescado contém elevados teores de matéria orgânica, íons e microrganismos. Devido a essa composição, há a necessidade de tratamento antes do retorno do efluente aos corpos hídricos ou ao meio ambiente. Mesmo após o tratamento, ainda pode haver contaminantes presentes no efluente tratado. Desse modo, práticas sustentáveis de gerenciamento de resíduos, tais como o reúso destes na agricultura, mostram-se adicionais ao tratamento e alternativas ao lançamento do material residual nos diferentes ecossistemas. O objetivo deste trabalho consistiu, inicialmente, em

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24

Littlefield, Joanne. "Constructed Wetlands for Dairies: Component Aids Dairy Wastewater Treatment System." College of Agriculture and Life Sciences, University of Arizona (Tucson, AZ), 2002. http://hdl.handle.net/10150/622240.

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25

Shepherd, Jessica Grace. "Ochre and biochar : technologies for phosphorus capture and re-use." Thesis, University of Edinburgh, 2017. http://hdl.handle.net/1842/28907.

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Despite recent instability in the global supply of phosphate-rock derived fertiliser and the potential for this to continue into the future, the recovery of phosphorus (P) from wastewater treatment systems, where P is abundant and accessible, is well below maximum potential. Considerable resource is spent on removing P from wastewater in order to comply with environmental standards and to protect aquatic ecosystems from eutrophication, yet there is little emphasis on capturing the P in a way that is optimised for re-using it as agricultural fertiliser. To address this lack of innovation in the

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Santos, Jeferson Gaspar dos. "Análise parasitológica em esgotos tratados utilizados na agricultura." Universidade de São Paulo, 2010. http://www.teses.usp.br/teses/disponiveis/6/6134/tde-28102010-173745/.

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A diminuição da disponibilidade de água de boa de qualidade em nível mundial é resultado, entre outros fatores, do consumo elevado exercido pela agricultura irrigada. A fim de minimizar os impactos ocasionados por essa atividade aos recursos hídricos, muitos países demonstram a viabilidade do emprego de efluentes de esgoto tratado na agricultura. Contudo, esta prática oferece riscos à saúde pública através dos organismos patogênicos capazes de sobreviver no esgoto. Entre estes patógenos a OMS destaca os protozoários e os helmintos parasitas do homem, pelo fato de apresentarem maior período de

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27

Calabria, Jorge Luis. "Wastewater Nutrient Recovery Using Anaerobic Membrane Bioreactor Permeate for Hydroponic Fertigation." Scholar Commons, 2014. https://scholarcommons.usf.edu/etd/5348.

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The imbalance between global population growth and resource consumption is indicative of unsustainable practices and foreshadows a grim future of continued resource depletion, food and water scarcity, social inequality, and deteriorating public and environmental health. Meanwhile, the urban centers of the world continue to experience exponential growth resulting in overwhelmed food, water, and sanitation infrastructure. Decentralized and satellite wastewater treatment technologies capable of resource recovery, such as anaerobic membrane bioreactors (AnMBR), foster synergistic opportunities to

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Johnson, Hailey E. "Co-utilisation of microalgae for wastewater treatment and the production of animal feed supplements." Thesis, Rhodes University, 2011. http://hdl.handle.net/10962/d1003999.

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Microalgae have a variety of commercial applications, the oldest of which include utilisation as a food source and for use in wastewater treatment. These applications, however, are seldom combined due to toxicity concerns, for ethical reasons, and generally the requirement for cultivation of a single algae species for use as a feed supplement. These problems might be negated if a “safer” wastewater such as that from agricultural and/or commercial food production facilities were to be utilised and if a stable algae population can be maintained. In this investigation preliminary studies were car

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29

Seidel, Georgetta. "Detection of non-CPE producing enteric viruses via ICC-PCR at wastewater land application sites in Arizona and California; endocrine disruption activity after wetland, pond, and soil aquifer treatment of wastewater." Diss., The University of Arizona, 2003. http://hdl.handle.net/10150/280323.

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In the arid Southwest where groundwater levels are rapidly declining, reuse of wastewater for groundwater recharge is currently being practiced. Since this practice is known to improve the chemical and biological quality of wastewater, it has been referred to as Soil Aquifer Treatment (SAT). This study investigated the fate of enteric viruses during SAT in Los Angeles, California, and Tucson, Arizona. The sites differed by both the quality and quantity of wastewater applied to spreading basins. At the Tucson site, secondary treated wastewater was applied. In Los Angeles, some sites received st

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30

Belda, Gonzalez Alberto. "The Water-Energy-Agriculture nexus in Jordan : A case study on As-Samra wastewater treatment plant in the LowerJordan River Basin." Thesis, KTH, Energiteknik, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-232826.

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Historically, water, energy and agricultural resources have been naturally scarce in Jordan, but current economic, demographic, geopolitical and environmental conditions are aggravating the situation. The influxes of refugees are increasing the already high natural population growth; better economic conditions and living standards are changing consumption and production patterns; surrounding conflicts affect the supply of resources; and negative effects associated to climate change can be noticed already. Therefore, nexus thinking as a basis for integrated and cross-sectorial natural resources

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Dominato, Daniele Tonon. "Tratamento de efluente anaeróbio = condicionamento em filtro de areia visando lançamento e reúso." [s.n.], 2011. http://repositorio.unicamp.br/jspui/handle/REPOSIP/258255.

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Orientador: Bruno Coraucci Filho<br>Tese (doutorado) - Universidade Estadual de Campinas, Faculdade de Engenharia Civil, Arquitetura e Urbanismo<br>Made available in DSpace on 2018-08-17T23:41:07Z (GMT). No. of bitstreams: 1 Dominato_DanieleTonon_D.pdf: 5136145 bytes, checksum: bc4588de570931c9d0ab9bc99456069f (MD5) Previous issue date: 2011<br>Resumo: A escassez cada vez maior de água doce devido ao crescimento demográfico, a urbanização e, provavelmente, as mudanças climáticas, tem dado lugar ao uso crescente de águas residuárias na agricultura. Atualmente, essa prática é uma realidade, pr

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West, Lu?s Gustavo Macedo. "Uso de efluentes dom?sticos tratados na cultura do girassol (helianthus annuus l.)." Universidade Estadual de Feira de Santana, 2018. http://tede2.uefs.br:8080/handle/tede/659.

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Submitted by Verena Pereira (verenagoncalves@uefs.br) on 2018-07-13T21:59:51Z No. of bitstreams: 1 Uso de efluentes dom?sticos tratados na cultura do girassol (Helianthus annus L.).pdf: 2283233 bytes, checksum: 421fa4a09cacb2392028081a3186d138 (MD5)<br>Made available in DSpace on 2018-07-13T21:59:51Z (GMT). No. of bitstreams: 1 Uso de efluentes dom?sticos tratados na cultura do girassol (Helianthus annus L.).pdf: 2283233 bytes, checksum: 421fa4a09cacb2392028081a3186d138 (MD5) Previous issue date: 2018-03-15<br>Coordena??o de Aperfei?oamento de Pessoal de N?vel Superior - CAPES<br>Agricultura

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Lanoux, Aurélie. "Caractérisation et rôle respectif des apports organiques amont et locaux sur l'oxygénation des eaux de la Garonne estuarienne." Phd thesis, Université Sciences et Technologies - Bordeaux I, 2013. http://tel.archives-ouvertes.fr/tel-00874532.

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L'estuaire de la Gironde est le plus grand estuaire macrotidal d'Europe formé par la confluence de la Garonne (où se situe l'agglomération de Bordeaux) et de la Dordogne. L'une de ses principales caractéristiques est la présence d'une zone à forte turbidité (bouchon vaseux) où les processus hétérotrophes (dégradation de la matière organique) sont favorisés et où au contraire les processus autotrophes (production primaire) sont limités par le manque de lumière. Ainsi, des déficits en oxygène pouvant être préjudiciables à la vie aquatique se développent systématiquement dans la zone du bouchon v

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Causse, Jean. "Temporalité des transferts de nutriments dans les bassins versants à algues vertes." Thesis, Rennes 1, 2015. http://www.theses.fr/2015REN1B012/document.

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En Bretagne, les « marées vertes » sont récurrentes depuis le début des années 70 et occupent une place importante dans le débat public en terme sanitaire, politique et économique. Lors de cette thèse, une large revue bibliographique a été réalisée sur l’export d’azote et une méthodologie innovante a été mise en place afin d’étudier la variabilité spatio-temporelle de l’export de nutriments dans 2 bassins versants à algues vertes à une échelle intra-annuelle et pendant des évènements extrêmes (évènements pluvieux, période touristique de basses eaux,…). Les bassins versants sélectionnés pour le

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Karunarathna, Mudugamuwe Hewawasam Jayan Savinda. "Photochemistry of iron(III) with carboxylate-containing polysaccharides for sustainable materials." Bowling Green State University / OhioLINK, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=bgsu1586468303760847.

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Hsu, Pei-Chen, and 許珮甄. "The Effluent Reuse for Agricultural Irrigation from Municipal Wastewater Treatment Plants - A Case Study of the Pa-Li Wastewater Treatment Plant." Thesis, 2005. http://ndltd.ncl.edu.tw/handle/zsr4wg.

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碩士<br>國立臺北科技大學<br>環境規劃與管理研究所<br>93<br>The water demand is increasing gradually and the water resource shortages problems will be more serious in Taiwan. The reclaimed water from municipal wastewater treatment plant is actually a very reliable alternative water resource, because of its stable quantity and the lower pollution quality. In addition, the water demand of agricultural irrigation is the highest portion in Taiwan. For this reason, the objective of this study is to assess municipal treated water reuse for agricultural irrigation, including water reclamation technologies and water qualit

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Haverstock, Michael James. "An Assessment of a Wetland-Reservoir Wastewater Treatment and Reuse System Receiving Agricultural Drainage Water in Nova Scotia." 2010. http://hdl.handle.net/10222/13103.

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A wastewater treatment and reuse system consisting of a tile drainage system, a constructed treatment wetland (CTW), a reservoir, and an irrigation system was established. The system supplied 780 mm of irrigation water for the 1.8 ha of drained land for the 2008 growing season. A hydraulic tracer study conducted in the CTW supported the use of a length to width ratio of 10:1. During 2008, annual nitrate-nitrogen (NO3--N) and Escherichia coli (E. coli) mass reductions were 67.6 and 63.3%, respectively. Elevated E. coli levels were observed in the reservoir during the warm season. Therefore

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Afroze, Niema. "Performance Evaluation of a New Multi-Environment Wastewater Treatment System for the Removal of Carbon, Nitrogen and Phosphorus from Synthetic and Real Agricultural Wastewaters." Thesis, 2011. http://spectrum.library.concordia.ca/35843/1/Afroze_MASc_F2011.pdf.

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A new integrated multi-environment wastewater treatment technology was evaluated for simultaneous removal of organic carbonaceous compounds as well as inorganic contaminants, notably nitrogen and phosphorus from synthetic and hog wastewater. The influent concentrations of carbon, nitrogen and phosphorus during the reported experiments on synthetic wastewater were in the range of 500 to 4000 mg/L, 42 to 200 mg/L, and 16 to 40 mg/L, respectively. The treatment system operated with food-to microorganisms (F/M) ratio of 0.95 to 3.4 (d-1) and SRT of 10 -200 days, producing removal efficiencies of 8

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Kupeta, Albert Jerry Kafushe. "Synthesis of cross-linked pine cone biosorbent and its applications in industrial wastewater treatment." Thesis, 2014. http://hdl.handle.net/10352/340.

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M. Tech. (Department of Chemistry, Faculty of Applied and Computer Sciences) -- Vaal University of Technology<br>The widespread use of phenols and phenolic derivatives in industrial applications has resulted in their discharge as part of industrial wastewater. These chemicals are toxic and need to be removed from the aqueous environment. Amongst the available pollutant removal technologies, adsorption has been widely used due to its simplicity, ease of operation, cost-effectiveness and ability to sequester pollutants at very low concentrations. Different adsorbents have been applied for remova

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HUANG, YU-MIN, and 黃昱閔. "Water quality purification for agricultural and municipal wastewater by surface flow treatment system in Linluo constructed wetland - a case study." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/84683321800188111837.

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碩士<br>大仁科技大學<br>環境管理研究所<br>100<br>This work we access a free-surface-flow constructed wetland treatment system receiving agricultural runoff and were used to determine water purification efficiency performance in Lin Lo Wetland Park. The access items including: DO, EC, Turbidity, SS, BOD, COD, TN, TP, Chlorophyll-a etc. The process parameters: influent rate 506-1270 CMD, effluent rate 60-173 CMD, hydraulic loading rate 0.042-0.104 m/d, and hydraulic retention time 4.13-9.72day were determined in Lin Lo Wetland Park. Treatment efficiency in parameter SS were: influent concentration 26 mg/L, PLR

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Li, Wen. "Mechanisms for phosphorus elimination in constructed wetlands: a pilot study for the treatment of agricultural drainage water from dairy farms at the Lower River Murray, South Australia / Li Wen." 2002. http://hdl.handle.net/2440/21868.

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Includes list of publications issued during the candidature.<br>Bibliography: leaves 176-197.<br>iii, ix, 197, [22] leaves : ill., maps ; 30 cm.<br>Title page, contents and abstract only. The complete thesis in print form is available from the University Library.<br>Phosphorus retention was measured in five pilot-scaled constructed wetlands with different configurations in terms of macrophyte species and substrates in order to evaluate the phosphorus removal efficiency of water plants and substrates in experimental ponds; assess the contribution of macrophytes to phosphorus removal through dir

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Pete, Kwena Yvonne. "Photocatalytic degradation of dyes and pesticides in the presence of ions." Thesis, 2015. http://hdl.handle.net/10352/308.

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M. Tech. (Department of Chemical Engineering, Faculty of Engineering and Technology), Vaal University of Technology<br>Water pollution caused by organic and inorganic contaminants represents an important ecological and health hazard. Simultaneous treatment of organic and inorganic contaminants had gradually gained great scientific interest. Advanced oxidation processes such as photocatalysis, using TiO2 as a photocatalyst, have been shown to be very robust in the removal of biorecalcitrant pollutants. These methods offer the advantage of removing the pollutants, in contrast to conventional t

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Foureaux, Nathalia Silva. "Monitoring of 17B-estradiol in raw and treated samples of wastewater treatment plants." Master's thesis, 2021. http://hdl.handle.net/10198/23799.

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Mestrado de dupla diplomação com a FUMEC<br>Aquatic environment pollution is a keen subject in the most important discussions surrounding global issues. With the increase of industrialization, globalization and urbanization, as consequence, there is an increase in production of high-level pollutants. Emerging pollutants (EP’s) are compounds which are, usually, not found in natural water sources. Data concerning the occurrence and concentrations of some pharmaceuticals in effluents from WWTPs and surface waters, shows that EP concentrations in effluents fluctuate widely, most probably due to in

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Tavares, Joana Filipa da Costa. "Economic analysis of pharmaceutical water pollution abatement in nursing home effluents." Master's thesis, 2019. http://hdl.handle.net/10071/21376.

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Pharmaceuticals have been detected in surface and groundwater, and even in drinking water. Although concentrations are generally low, there are concerns about their impacts on aquatic organisms and human health. Risks are expected to increase due to rising pharmaceutical consumption and water reuse. From an economic point of view, pollution is an example of so-called market failure that can (and should) be corrected by means of government intervention, although pharmaceutical water pollution is a particularly difficult one to deal with in terms of regulation given that pharmaceutical con

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Vertonha, Maria Thais. "Valorization of leached waters through conversion in liquid fertilizers." Master's thesis, 2018. http://hdl.handle.net/10198/21034.

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Dupla diplomação com a UTFPR - Universidade Tecnológica Federal do Paraná<br>An unprecedented demographic explosion occurred in the last decades at a global level. The negative impacts of this event stand out, affecting the social, economic and mainly environmental spheres. In the environmental aspect, an important consequence is the growing production of solid wastes, due partially to the population increase. However, the development of effective technologies for the treatment of these wastes did not accompany such growth, and currently the most used method for this is landfill disposal. Even

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Rödlová, Sylva. "Změna kvality vody v malých povodích po postavení čistírny odpadních vod." Doctoral thesis, 2010. http://www.nusl.cz/ntk/nusl-299194.

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Změny kvality vody v malých tocích, vyvolané vybudováním čistírny odpadních vod, představují doposud málo studované a přitom velmi aktuální téma současné hydrologie. Tato studie se zabývá popsáním těchto změn a faktorů, které je ovlivňují. Pro účely výzkumu bylo vybráno pět malých, zemědělsky využívaných povodí prvního řádu (čtyři povodí průměrně 6 km2 , jedno 16 km2 ). V každém zájmovém území byla vždy jedna vesnice od 640 do 2 500 obyvatel. Během 7 - 16 let trvajícího měsíčního monitoringu základních indikátorů kvality vody (O2, BSK5, CHSKCr, TOC, konduktivita, N-NH4, N-NO2, N-NO3, PC, P-PO4

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Marques, Vitor da Costa. "Valorization of tangerine peels in the preparation of adsorbents for removal of Ni(II) from aqueous solutions." Master's thesis, 2018. http://hdl.handle.net/10198/22626.

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Mestrado de dupla diplomação com a UTFPR - Universidade Tecnológica Federal do Paraná<br>The discharge of industrial and domestic wastewater is one of the main causes of contamination of water bodies by heavy metals. Among these heavy metals, nickel (Ni) is one of the most used in industrial processes, such as the production of alloys, stainless steel and automotive batteries, as well as electroplating activities, causing high concentrations in the effluents of these industries. Several techniques, such as chemical precipitation and filtration, have been studied in order to promote the removal

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