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Dissertations / Theses on the topic 'Trickling filter'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

Guo, Feng. "Pilot-scale study of removal of anionic surfactants with trickling filter." Thesis, University of British Columbia, 2008. http://hdl.handle.net/2429/4080.

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Anionic surfactants are wildly used in many industrial and household applications. Because anionic surfactants are used so widely, significant attention has focused on the removal of these contaminants from wastewater. Among various treatment techniques, biofiltration, such as trickling filter technologies, has been employed in many wastewater treatment plants (WWPTs) to remove anionic surfactants. However, current knowledge of the efficacy of trickling filter to remove anionic surfactants from wastewaters is limited. The present study characterized the performance of a high rate (i.e. roughin

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2

Marquet, Richard. "Low-rate trickling filter effluent : characterisation and crossflow filtration." Thesis, Loughborough University, 1999. https://dspace.lboro.ac.uk/2134/27897.

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The low-rate trickling filter is the most common biological treatment process used in small and medium sized sewage works in the UK. It produces an inconsistent effluent quality, which has traditionally been related to seasonal changes in solids accumulation, grazing activity and sloughing of microbial film. The final effluent solids and, organic matter content is then too high for discharge or reuse. Given the increasingly stringent effluent standards, both in terms of quality and consistency, tertiary treatment is often required. This study was designed to investigate the key parameters affe

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3

Mofokeng, Teboho. "Full-scale trials of external nitrification on plastic media nitrifying trickling filter." Master's thesis, University of Cape Town, 2008. http://hdl.handle.net/11427/5024.

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Includes abstract.<br>Includes bibliographical references.<br>In South Africa, many wastewater treatment plants (WWTP) still make us of their rock filled trickling filters. Instead of using them for organics removal and nitrification, there is growing interest in integrating them with biological excess P removal activated sludge (BEPRAS) systems in an external nitrification flow scheme (Hu et al., 2000). In such a scheme, the full influent flow (after primary settling) is discharged to the anaerobic reactor of the BEPRAS system, after which the activated sludge is separated from the water by i

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4

Kaya, Devrim. "Removing Algae From Stabilization Pond Effluents By Using Trickling Filters." Master's thesis, METU, 2005. http://etd.lib.metu.edu.tr/upload/2/12606578/index.pdf.

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The objective of this study is to remove turbidity originating from algae present in oxidation ponds effluents by an easy and inexpensive method. For this reason, a novel lab-scale Step Feed Dual Treatment (SFDT) process was constructed and the efficiency of trickling filter (TF) to remove algae and organic matter was investigated. SFDT process developed in this study is the unique, inexpensive and new system to scavenge algae from oxidation pond effluents. In this system, influent is first treated in a stabilization pond, and subsequently they directed to a TF, so as to provide a dual treatme

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5

Kölbener, Pius Josef. "Biodegradation of aromatic sulfonates - especially linear alkylbenzenesulfonates (LAS) - in a laboratory trickling filter /." [S.l.] : [s.n.], 1995. http://e-collection.ethbib.ethz.ch/show?type=diss&nr=11145.

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6

Enstedt, Henric. "Using a biotrickling filter for degradation of cypermethrin, an insecticide frequently used in Tahuapalca, Bolivia." Thesis, Linköpings universitet, Kemi, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-105079.

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The feasibility of using bench-scale biotrickling filter reactors inoculated with the fungus UBAF004, isolated from soil in Tahuapalca, for treatment of water contaminated with cypermethrin was investigated. Wood chips, gravel and ceramics were tested as packing materials for the reactors in batch experiments in small glass flasks. Wood proved to be the material on which the fungus grew best and was thus chosen as the packing material for the reactors. It was determined that UBAF004 had quite low competitive strength compared to other microorganisms when growing on wood and gravel but not nece

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7

Kristiono, Arie. "Wood Drying Condensate Treatment Using a Bio – Trickling Filter with Bark Chips as a Support Medium." Thesis, University of Canterbury. Chemical and Process Engineering, 2009. http://hdl.handle.net/10092/3555.

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The kiln drying of wood produces huge amounts of vapour. The vapour is released to the environment when the process purges some of the saturated hot air. The main environmental issue regarding the use of kiln drying process are the release of the water vapour which contains organic contaminants. Some of them are hazardous to human health. In addition, there are some wood particles which may released with the water vapour purging process. In this research, the vapour is condensed and analysed for its organic contaminants and their biodegradability. The result showed that the dominant contamina

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8

Deng, Yihuan. "Improvements to the performance of trickling filters by inclusion of alternative surface-active media." Thesis, Loughborough University, 2018. https://dspace.lboro.ac.uk/2134/35988.

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Water pollution has become a global issue with impacts in all countries but particularly those undergoing rapid urbanisation such as China. The review for this thesis established that in 2015 China had 3,910 urban treatment plants with daily treatment capacity of 167million cubic metres. This treatment capacity was able to serve more than 90% of the population in urban regions. Compared to the previous 20 years, these treatment facilities represented a major improvement. However, the thesis uses recent annual environmental reports to show that this level of treatment is still not enough to avo

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9

van, den Akker Ben, and ben vandenakker@flinders edu au. "Removal of ammonia from drinking water by biological nitrification in a fixed film reactor." Flinders University. Medicine, 2008. http://catalogue.flinders.edu.au./local/adt/public/adt-SFU20090623.160149.

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The absence of water catchment protection often results in contamination of drinking water supplies. Waters in South East Asia have been exploited to support extensive agriculture, industry, power generation, public water supply, fisheries and recreation use. Ammonia has been identified as a significant contaminant of drinking water because of its ability to affect the disinfection efficiency of chlorine. The interference of ammonia with chlorination is a prevalent and expensive problem faced by many water treatment plants (WTPs) located throughout South East Asia. The conventional approach fo

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10

Strazdauskas, Konstantinas. "Biofiltracijos procesų taikymo nuotekų valymui tyrimai." Master's thesis, Lithuanian Academic Libraries Network (LABT), 2012. http://vddb.laba.lt/obj/LT-eLABa-0001:E.02~2012~D_20120726_163325-08936.

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Biofiltraciniai įrenginiai - tai alternatyva standartiniams veikliojo dumblo valymo įrenginiams. Tinkamai įrengus ir naudojant šiuos filtrus galima ženkliai sumažinti eksploatacijos išlaidas bei pasiekti pageidaujamų išvalymo kokybės rezultatų. Biofiltrų efektyvumas labai priklauso nuo naudojamo užpildo tipo, todėl šiame darbe buvo nagrinėjama naujo užpildo nuotekų biofiltracijai tinkamumas. Atlikti tyrimai parodė, kad pasirinkti akmens vatos užpildai yra tinkami naudoti laistomuosiuose filtruose ir juose gali vykti organinių medžiagų šalinimas ir nitrifikacija. Organinių medžiagų šalinimo efe

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11

Pramanik, Amit. "Evaluation of organic and hydraulic loading on the performance of a roughing trickling filter tower using sessil media to treat a high strength industrial wastewater." Thesis, This resource online, 1991. http://scholar.lib.vt.edu/theses/available/etd-10102009-020133/.

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12

Júnior, Humberto Carlos Ruggeri. "Pós-tratamento de efluente de lagoa facultativa visando à remoção de nitrogênio amoniacal." Universidade de São Paulo, 2011. http://www.teses.usp.br/teses/disponiveis/3/3147/tde-19072011-103911/.

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Discute o pós-tratamento de efluente de lagoas facultativas visando à remoção de nitrogênio amoniacal. Para isso, foram utilizadas unidades terciárias em escala piloto. A escolha do tipo de unidades para o pós-tratamento do efluente levou em consideração a questão do baixo custo e simplicidade de operação. Desta forma, para o estudo, fez-se opção por lagoas rasas e filtros percoladores como unidades de pós-tratamento. O objetivo principal do trabalho foi associar as taxas de aplicação superficial e volumétricas com as remoções de nitrogênio amoniacal nessas unidades. Para lagoas em escala pilo

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13

Biddle, Jeremy R. "Tertiary nitrification of wastewater in trickling filters." Thesis, Cranfield University, 1994. http://dspace.lib.cranfield.ac.uk/handle/1826/4165.

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This study was designed to investigate, at laboratory and pilot scale, the effects of various loading and climatic factors on the nitrification perfon-nance of four media, and to undertake a comparative assessment of the media. The media used were blast furnace slag and three random plastic media: Flocor RS, Etapak 160 and a new medium, Etapak 210. Laboratory experiments using pure cultures of Nitrosomonas europaea have determined the effect on nitrification of temperature, pH and substrate, BOD and inhibitor concentrations. Optimal values have been resolved for the temperature and pH and half

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14

Leusch, F. D. L. "Estrogenic and androgenic potential of municipal sewage in Australia and New Zealand." Lincoln University, 2004. http://hdl.handle.net/10182/1983.

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Studies in Europe, Japan, and North America have reported that wild fish exposed to treated sewage effluents can exhibit significant physiological and reproductive abnormalities consistent with exposure to hormonally active chemicals. The main objective of this research project was to examine the estrogenic and androgenic activity in treated sewage to determine the risk associated with treated sewage discharges in Australia and New Zealand. Several bioassays, including a sheep estrogen receptor and a rainbow trout androgen receptor binding assay, were set up and validated with model compounds

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15

Reis, José Antonio Tosta dos. "Desenvolvimento de sistemas de controle ótimo para a operação de processos aeróbios de tratamento de esgotos." Universidade de São Paulo, 2003. http://www.teses.usp.br/teses/disponiveis/18/18138/tde-25072016-153652/.

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Neste trabalho, a partir da aplicação da teoria de controle ótimo, são estabelecidos sistemas de controle aplicáveis a três importantes sistemas aeróbios de tratamento de esgotos - filtros biológicos, processos de lodos ativados e os processos combinados formados a partir da combinação dos filtros biológicos e lodos ativados. Para a definição dos sistemas de controle são necessários modelos dinâmicos que descrevam o comportamento dos diferentes sistemas de tratamento. Da literatura são obtidos os modelos dinâmicos destinados à descrição do comportamento do processo de lodos ativados; para o fi

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16

Miller, Stanley David 1960. "Mass separation techniques for the design of fixed film bioreactors." Thesis, The University of Arizona, 1988. http://hdl.handle.net/10150/276846.

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Dissolved organics in wastewater samples were separated into three size fractions (0-1,000 amu, 1,000-10,000 amu, and 10,000 amu-0.22 m) using ultrafiltration (UF) membranes. The mass distribution within each fraction was adjusted by using a new permeation coefficient model to account for membrane rejection. Dissolved organic and soluble BOD (sBOD) removals in a trickling filter were studied for the different size fractions. The Logan trickling filter model was recalibrated and used to generate predicted removals by size fraction of sBOD, dissolved organic carbon (DOC), and biodegradable DOC (

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17

Mezgebe, Bineyam. "Innovative Biological Destruction of Hazardous Chlorinated and Brominated Volatile Disinfection By-products using Bio Trickling Filters." University of Cincinnati / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1515505465180454.

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18

Pang, Haoran. "Etude de l'hydrodynamique, de l'élimination de la DCO et de la nitrification d'un nouveau lit bactérien segmenté." Thesis, Toulouse, INSA, 2014. http://www.theses.fr/2014ISAT0003/document.

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L'objectif principal de ce travail de thèse concerne l'étude de l' élimination de la DCO et de la nitrification dans une nouveau lit bactérien Multi-Section ( MSB ) . Après une caractérisation de l’hydrodynamique et du transfert d’oxygène de ce lit bactérien, les expériences biologiques menées sous des conditions opératoires contrastées (fortes et faibles charges organiques eteaux usées contenant ou pas des matières particulairs) ont été menées. En parallèle, des simulations avec le logiciel Biowin® ont été réalisées. Les principaux résultats sont résumés en suivant :- La rétention de liquide

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19

Franchin, Aline Costanzo. "Nitrificação de efluente de reator anaeróbio compartimentado em filtros percoladores com a utilização da serragem de couro do tipo wet blue como meio suporte." Universidade de São Paulo, 2006. http://www.teses.usp.br/teses/disponiveis/18/18138/tde-23012007-143309/.

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Com a utilização de filtros percoladores aeróbios, procurou-se promover a remoção de nitrogênio amoniacal do esgoto sanitário efluente de reator anaeróbio compartimentado, através do processo de nitrificação. O trabalho foi desenvolvido em duas fases; na primeira foi realizada a preparação da serragem de couro utilizando-se peneiramento e lavagens e a seguir iniciou-se a aplicação do esgoto sanitário em quatro filtros percoladores. Os filtros F1 e F2 foram operados com a mesma taxa de aplicação (1,91 'M POT.3'/'M POT.2'.dia) e diferentes meios suportes, sendo brita e serragem de couro do tipo

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20

Hijazi, 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.

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Despite recent developments in fixed-film combined biological nutrients removal (BNR) technology; fixed-film systems (i.e., biofilters), are still at the early stages of development and their application has been limited to a few laboratory-scale experiments. Achieving enhanced biological phosphorus removal in fixed-film systems requires exposing the micro-organisms and the waste stream to alternating anaerobic/aerobic or anaerobic/anoxic conditions in cycles. The concept of cycle duration (CD) as a process control parameter is unique to fixed-film BNR systems, has not been previously investig

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21

Thiesen, Geraldo Tadeu da Silva. "Influência da cinza pesada e do pó de ferro em compósitos sinterizados obtidos por metalurgia do pó e aplicados como meio de suporte em filtro biológico percolador." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2018. http://hdl.handle.net/10183/179417.

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Com a crescente ideia de sustentabilidade, surge a necessidade de utilização de recursos renováveis e reaproveitamento de resíduos gerados em processos industriais. Neste trabalho foi avaliada a utilização da cinza pesada oriunda da queima do carvão em usinas termoelétricas no desenvolvimento de um Cermet. O compósito Cinza-Ferro (Cz-10Fe) foi obtido por metalurgia do pó e é composto de cinza pesada moída com adição de 10% em massa de pó de ferro puro. A adição do ferro é justificada para melhoria das propriedades mecânicas do material cerâmico. O compósito foi aplicado como meio suporte para

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22

Medeiros, Mônica. "Pós-tratamento de efluente de lagoa facultativa fotossintética em filtros biológicos percoladores visando remoção de nitrogênio amoniacal." Universidade de São Paulo, 2011. http://www.teses.usp.br/teses/disponiveis/3/3147/tde-19072011-163229/.

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Neste trabalho, estudou-se a utilização de filtros percoladores como tratamento complementar de efluente de lagoa de estabilização visando a remoção de nitrogênio, principal causador de problemas como a eutrofização de corpos hídricos em conjunto com o fósforo. A motivação principal para o desenvolvimento desta pesquisa foi a dificuldade encontrada para o atendimento ao padrão definido pela Resolução CONAMA 357/05, a qual define concentração máxima de nitrogênio para lançamento de efluentes em corpos hídricos receptores de 20 mg/l. Em 2008 foi promulgada a Resolução CONAMA nº 397 a qual estabe

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23

Suassuna, Rita de Cascia Avelino. "Utilização de serragem de couro do tipo wet blue como meio suporte de filtros percoladores para pós-tratamento de esgoto sanitário tratado em reator anaeróbio compartimentado." Universidade de São Paulo, 2004. http://www.teses.usp.br/teses/disponiveis/18/18138/tde-12092016-100129/.

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Nesta tese foi estudada a utilização da serragem de couro do tipo wet blue como meio suporte de filtros percoladores no pós-tratamento de esgoto sanitário. O desenvolvimento deu-se em três fases: na primeira fase foram realizadas a classificação e caracterização da serragem, bem como a sua preparação através de peneiramento, lavagens e secagem. Foram realizados dois tipos de lavagens: uma em batelada com solução alcalina de pH em torno de 9,0 e outra contínua com água corrente com pH em torno de 7,0. Na segunda fase foram utilizados quatro filtros percoladores com volume aproximado de 10 litro

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24

Zhu, Jialu. "Modélisation détaillée du fonctionnement de la future filière complète de biofiltration de la station de traitement des eaux usées Seine Aval." Electronic Thesis or Diss., Compiègne, 2020. http://www.theses.fr/2020COMP2574.

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En 2013, le SIAAP a lancé un programme pour moderniser la station Seine Aval, la plus grande STEP en Europe. Après la modernisation, la configuration de traitement de la station sera complexe. Pour évaluer les impacts économiques et environnementaux des choix d’exploitation et identifier les meilleurs choix en fonction des besoins de traitement, les outils de support, comme les modèles mathématiques des procédés de traitement sont demandés. Cette thèse présente la modélisation de la filière biofiltration de la station Seine Aval après sa modernisation. La filière est composée d’un procédé de d

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25

Lin, Ze-min, and 林澤閔. "Removal of Organic Matters from Domestic Wastewater Using GAC Trickling Filter." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/14142455190822275516.

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碩士<br>國立中山大學<br>環境工程研究所<br>100<br>Because of high intense population is in Taiwan, households water use requires a considerable amount. It is substantially reduce daily water use to share primary water resources, if we can reclaim domestic wastewater properly and make it support. Currently, reclaiming water is an emerging requirement for management and application. If we can adequately monitor and treat reclaimed water, reducing environmental contaminants, costs, and environmental feedback is possible. The study treated domestic wastewater of Feng-Shan river using GAC trickling filter with two

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26

Morgan, SJ. "Upgrading a trickling filter wastewater treatment plant to biological nutrient removal standard." Thesis, 1999. https://eprints.utas.edu.au/20959/1/whole_MorganScott1998_thesis.pdf.

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The Selfs Point Wastewater Treatment Plant in Hobart was upgraded to biological nutrient removal standard in early 1997. The upgrade incorporated the existing trickling filter and anaerobic digesters. The new nutrient removal capability is provided by the BioDenipho process, and is supported by prefermentation and alum dosing of the digested sludge sidestream. This study reviews the development of wastewater treatment processes and the history of sewage treatment and collection in Hobart leading to this upgrade. All of the major processes at the Plant are reviewed as to how each impacts and i

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27

Gibb, Allan James. "Optimization of biological nutrient removal in a pilot-scale trickling filter-activated sludge process." Thesis, 1995. http://hdl.handle.net/2429/7143.

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A pilot-scale study was undertaken to further the development of a combined trickling filter-activated sludge process designed for biological phosphorus removal and nitrification-denitrification. The system is called the FGR-SGR (fixed growth reactorsuspended growth reactor) process. The innovative aspect of the FGR-SGR process is the incorporation of a fixed growth (trickling filter) component into the conventional suspended growth (activated sludge) biological nutrient removal treatment train. The objective of the study was to extend and optimize design and operational criteria for bi

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28

LEE, HOU KUN, and 李後昆. "Cost and Benefit Analysis on the Treatment of Printed Circuit Board Organic Wastewater by Trickling Filter." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/66524964716670182902.

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碩士<br>長庚大學<br>企業管理研究所<br>97<br>This project is related to the research on the effectiveness of PCB organic wastewater treatment through trickling filter method. Since PCB organic wastewater is conventionally treated by either activated sludge or contact aerobic basin methods, this project has therefore chosen the trickling filter method which is seldom used in Taiwan and has never been applied for the PCB Industry. After pilot testing as well as the scaled up commercial plant operation, the current daily treatment capacity is approximately 3000 – 4000 tons, and with monthly organic pollutant

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Kardohely, Stephanie L. "Combining existing trickling filter treatment with nitrogen removal technology : optimizing a modified single-sludge nitrification-denitrification system /." 2000. http://emp3.hbg.psu.edu/theses/available/etd-10222001-192210/.

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