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Dissertations / Theses on the topic 'Sewage sludge'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

Черниш, Єлізавета Юріївна, Елизавета Юрьевна Черныш, and Yelyzaveta Yuriivna Chernysh. "The sewage sludge detoxification." Thesis, Сумський державний університет, 2013. http://essuir.sumdu.edu.ua/handle/123456789/33561.

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Recycling of organic sewage sludge today is an urgent problem in the whole territory of Ukraine, which requires a solution. At the most of the municipal wastewater treatment plants, unfortunately, current removal, treatment and recycling of sewage sludge are not properly resolved. At present, the general part of sewage sludge is not carried out. Because it contains toxic chemicals, mainly heavy metals (HM) within the industrial waste water coming into the city sewer system after insufficient treatment or without treatment. As a result, sewage sludge is sent to the sludge pit and storage sites,

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2

Heredia, Salgado Mario Alejandro. "Sewage sludge drying and combustion." Master's thesis, Universidade de Aveiro, 2014. http://hdl.handle.net/10773/13409.

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Mestrado em Sistemas Energéticos Sustentáveis<br>A brief review of the paper pulp production process in order to understand the origin of the sewage sludge was performed. Then a general revision of the current treatment options for this type of waste was addressed. The thermal treatment by combustion was focused and a review of the state of the art of this process was performed. The high moisture content of sludge was identified as a major concern. Thus a revision of the state of the art regarding thermal drying of sewage sludge was performed. The drying behavior of sewage sludge from the pul

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3

Chan, Lap-man. "Sludge management : oversea experience and application in Hong Kong /." [Hong Kong : University of Hong Kong], 1994. http://sunzi.lib.hku.hk/hkuto/record.jsp?B13813560.

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4

An, Kyoung Jin. "Reduction of excess sludge in an oxic-settling-anaerobic (OSA) system : a modified activated sludge process /." View abstract or full-text, 2004. http://library.ust.hk/cgi/db/thesis.pl?CIVL%202004%20AN.

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Thesis (Ph. D.)--Hong Kong University of Science and Technology, 2004.<br>Includes bibliographical references (leaves 188-201). Also available in electronic version. Access restricted to campus users.

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5

Burke, Russell Armstrong. "Biological excess phosphorus removal in short sludge age activated sludge systems." Master's thesis, University of Cape Town, 1986. http://hdl.handle.net/11427/7582.

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Includes bibliography.<br>The objective of this investigation was to test, at laboratory-scale, the behaviour of short sludge age biological excess P removal systems, to assess the response of the systems under non-nitrifying and nitrifying conditions, to determine the optimal system configuration(s) and operational parameters, and to check the settling characteristics of the mixed liquor produced in the systems. A secondary objective was to use the observed response data to test the predictive qualities of both the general activated sludge model of Dold, Ekama. and Marais (1985) and the semi-

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6

Nieto, Cebrián Antonio. "Emerging organic contaminants in sewage sludge." Doctoral thesis, Universitat Rovira i Virgili, 2010. http://hdl.handle.net/10803/9048.

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El objetivo de esta tesis es el desarrollo de métodos analíticos para la determinación de un grupo de contaminantes emergentes entre los cuales se incluyen los fármacos y los compuestos de cuidado personal en lodos de depuradora.<br/>Los métodos desarrollados se basan en la extracción presurizada con solventes (PLE) y, debido a la polaridad de estos contaminantes, la cromatografia de líquidos. Como técnicas de detección se han utilizado la espectrometría de masas (con quadrupolo y tiempo de vuelo como analizadores) y la espectrometría de masas en tandem (con triple quadrupolo como analizador)

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7

Lafitte-Trouque, Sandrine. "Enhanced anaerobic digestion of sewage sludge." Thesis, University of Birmingham, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.369392.

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8

Brown, Stanley. "Heavy metal detoxification of sewage sludge." Thesis, University of Manchester, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.302700.

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9

Mess, Harold. "Sewage sludge disposal constraints and opportunities." Thesis, Aston University, 1985. http://publications.aston.ac.uk/15168/.

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10

Dursun, Derya. "Gel-like behavior of biosolids in conditioning and dewatering processes." Access to citation, abstract and download form provided by ProQuest Information and Learning Company; downloadable PDF file, 260 p, 2007. http://proquest.umi.com/pqdweb?did=1362540141&sid=7&Fmt=2&clientId=8331&RQT=309&VName=PQD.

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11

Ng, Yue-hang. "Dewatering and treatment of sewage sludge before landfill /." Hong Kong : University of Hong Kong, 1995. http://sunzi.lib.hku.hk/hkuto/record.jsp?B14723232.

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12

Fong, Chun-yau. "Latest development in waterworks sludge treatment and disposal in Hong Kong /." [Hong Kong : University of Hong Kong], 1993. http://sunzi.lib.hku.hk/hkuto/record.jsp?B13498733.

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13

Walker, David Howey. "CFD Modelling of Sewage Sludge Vitrification Plant." Thesis, University of Canterbury. Chemical and Process Engineering, 2008. http://hdl.handle.net/10092/1717.

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This Technology in Industry Fellowship (TIF) funded Masters Project was structured around Computational Fluid Dynamics (CFD) modelling for Lemar Environmental Ltd (Lemar). This study is a component of a larger programme that is being undertaken by Lemar concerning the vitrification process. The modelling has built on an initial model developed by CSIRO for Lemar and has been carried out under the direction of Canterbury University. The modelling involved computer simulations and detailed comparisons of the gas flow for both high and low swirl vanes, in both the steady state and transient modes

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14

Jing, Jung. "Bioavailability of cadmium in municipal sewage sludge /." The Ohio State University, 1990. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487683049375578.

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15

Samanya, Janat. "Increase of energy recovery from sewage sludge." Thesis, Aston University, 2013. http://publications.aston.ac.uk/20734/.

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The use of the pyrolysis process to obtain valuable products from biomass is amongst the technologies being investigated as a source for renewable energy. The pyrolysis process yields products such as biochar, bio-oil and non condensable gases. The main objective of this project is to increase energy recovery from sewage sludge by utilising the intermediate pyrolysis process. The intermediate pyrolysis has a residence time ranging from 5 to 10 minutes. The main product yields from sewage sludge pyrolysis are 50 wt% biochar, 40 wt% bio-oil and 10 wt% non condensable gases. The project was carri

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16

Day, Arden, Rex Thompson, and Spencer Swingle. "Barley Grain Grown with Dried Sewage Sludge." College of Agriculture, University of Arizona (Tucson, AZ), 1987. http://hdl.handle.net/10150/203763.

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A four-year experiment, conducted at the Mesa Agricultural Center, studied the use of dried sewage sludge from the City of Phoenix as a source of plant nutrients in the commercial production of barley grain. The objective was to compare the effects of sewage sludge and commercial fertilizer on barley growth, grain yield, and quality. Three fertilizer treatments were used: (1) suggested rates of nitrogen (N), phosphorus (P), and potassium (K) in Arizona; (2) dried sewage sludge to supply plant-available N in amounts equal to the suggested rate; and (3) N, P, and K from inorganic fertilizers, in

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17

Steffens, Marc Alexander. "Advanced process control for nutrient removal activated sludge processes /." [St. Lucia, Qld.], 1997. http://library.uq.edu.au/screens/steffens.html.

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18

Wan, Iat-meng. "Physical characterization of dewatered sewage sludge for landfilling /." Hong Kong : University of Hong Kong, 1998. http://sunzi.lib.hku.hk/hkuto/record.jsp?B20717921.

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19

Tshivhunge, Azwiedziswi Sylvia. "Enzymology of activated sewage sludge during anaerobic treatment of wastewaters : identification, characterisation, isolation and partial purification of proteases." Thesis, Rhodes University, 2001. http://hdl.handle.net/10962/d1004072.

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During anaerobic digestion bacteria inside the digester require a carbon source for their growth and metabolism, sewage sludge was used as a carbon source in this study. The COD content was used to measure the disappearance of the substrate. COD content was reduced by 48.3% and 49% in the methanogenic and sulphidogenic bioreactors, respectively, while sulphate concentration was reduced by 40%, producing 70mg/L of hydrogen sulphide as the end product over the first 5-7 days. Sulphate (which is used as a terminal electron acceptor of sulphur reducing bacteria) has little or no effect on the sulp

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20

Hung, Benjamin Kwok Man. "Evaluation of sludge-grown algae for rearing aquatic organisms." HKBU Institutional Repository, 1993. http://repository.hkbu.edu.hk/etd_ra/14.

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21

Mak, Keung-kan, and 麥強根. "Sludge management in Hong Kong." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1994. http://hub.hku.hk/bib/B31252953.

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22

Mann, C. M. "Salmonella regrowth potential of two sewage sludge products /." View thesis View thesis, 1997. http://library.uws.edu.au/adt-NUWS/public/adt-NUWS20030521.100917/index.html.

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Thesis (M.Sc. (Hons)) - University of Western Sydney, Hawkesbury.<br>"A thesis submitted in partial fulfillment of the requirements for the degree of Master of Science (Hons.) (Environmental Science" --tp.

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23

Bhasin, Aditi. "Recovery of Phosphorus from Incineration of Sewage Sludge." Thesis, KTH, Skolan för kemivetenskap (CHE), 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-214991.

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The primary source of phosphorus, phosphate rock, is a non-renewable resource which is expected to get exhausted in the next 50 – 100 years. Sewage sludge in Sweden constitutes 25% of the annual phosphorus in the country, making it a potentially significant source for phosphorus recovery. The aim of this project was to identify the potential for phosphorus recovery from incineration of dewatered and digested sewage sludge in Fortum Värme’s power plants in Stockholm. The study was limited to two boilers located at Bristaverket, Stockholm - boiler B1, a bio-fired fluidized bed boiler and boiler

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24

Mann, Cindy Mary, of Western Sydney Hawkesbury University, and Faculty of Science and Technology. "Salmonella regrowth potential of two sewage sludge products." THESIS_FST_XXX_Mann_C.xml, 1997. http://handle.uws.edu.au:8081/1959.7/361.

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The disposal of sewage sludge is becoming an ever-increasing problem and a range of re-use options are being developed, with traditional composting and advanced alkaline stabilisation emerging as priority re-use alternatives in NSW. However, concerns have been raised regarding the dissemination of sludge related pathogens in the environment. Salmonella spp pose the greatest risk since they have the ability to proliferate in the absence of human and animal hosts. Composting processes eliminate salmonellae from sludge, but the opportunity for post-processing recontamination is considerable. This

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25

Stark, Kristina. "Phosphorus release and recovery from treated sewage sludge." Doctoral thesis, Stockholm : KTH Architecture and the Built Environment, 2005. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-402.

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26

Wan, Iat-meng, and 溫日明. "Physical characterization of dewatered sewage sludge for landfilling." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1998. http://hub.hku.hk/bib/B31220034.

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27

Ng, Yue-hang, and 伍宇鏗. "Dewatering and treatment of sewage sludge before landfill." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1995. http://hub.hku.hk/bib/B31253222.

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28

Martin, Garcia Ignacio. "Sludge free and energy neutral treatment of sewage." Thesis, Cranfield University, 2010. http://dspace.lib.cranfield.ac.uk/handle/1826/6530.

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Anaerobic biological processes have been recognized as the most suitable pathway towards sustainable wastewater treatment due to the lower energy required and the lower amounts of biosolids generated when compared to conventional aerobic technologies. The difficulties experienced with the implementation of anaerobic reactors for the treatment of low strength wastewater at low temperatures are related to the deterioration of treatment capacity and effluent quality due to inefficient removal of colloidal matter and biomass washout. Membrane technology can overcome the limitation of anaerobic bio

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29

Mountain, Teresa J. "The microbial leaching and composting of sewage sludge." Thesis, University of Southampton, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.242868.

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30

Siddall, Roy. "Parasites as biological indicators of sewage sludge dispersal." Thesis, University of Aberdeen, 1992. http://digitool.abdn.ac.uk/R?func=search-advanced-go&find_code1=WSN&request1=AAIU548816.

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This investigation has demonstrated that levels of parasitism may provide a sensitive, biologically-based index of marine environmental pollution. Flatfish were initially selected as indicator hosts in field studies conducted at an 'accumulating' and two 'dispersing' sewage sludge dump sites in Scottish coastal waters, but the results indicated that they were unsuitable for monitoring sewage sludge dispersal. The common whelk, Buccinum undatum , was selected as an alternative host-parasite system in a seasonal study at the Garroch Head sewage sludge dump site in the Firth of Clyde, where marke

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31

Mills, Nick. "Unlocking the full energy potential of sewage sludge." Thesis, University of Surrey, 2016. http://epubs.surrey.ac.uk/809984/.

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The UK water industry has huge, but as yet under-developed, potential to generate sustainable energy from the main by-product created in the treatment of wastewater. Sewage sludge is an energy rich sustainable biomass resource with a similar calorific value to woodchip. Until recently, technologies and processes for further energy recovery have not been efficient or viable for large-scale use, but this research has shown that developments and innovations are now available and can realistically be brought into use. Using a combination of detailed techno-economic analysis and data from several l

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32

Day, A. D., M. A. Solomon, M. J. Ottman, and B. B. Taylor. "High Rates of Sewage Sludge in Barley Production." College of Agriculture, University of Arizona (Tucson, AZ), 1989. http://hdl.handle.net/10150/201052.

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A greenhouse experiment was conducted at the University of Arizona, Tucson, Arizona, to study the effects of liquid sewage sludge loading rates on the vegetative growth, yield, and quality of barley grain and straw. Vegetative growth, grain yields, and straw yields were similar whether barley was grown with inorganic N or equivalent amounts of plant-available N from sewage sludge. Sewage sludge loading rates higher than three times the recommended plant-available N rate decreased barley stands in the seedling stage. The loss of stand was compensated for by higher tillering later in the season.

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33

Day, A. D., M. A. Solomon, M. J. Ottman, and B. B. Taylor. "High Rates of Sewage Sludge in Wheat Production." College of Agriculture, University of Arizona (Tucson, AZ), 1989. http://hdl.handle.net/10150/201070.

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A greenhouse experiment was conducted at the University of Arizona, Tucson, Arizona, to study the effects of sewage sludge loading rates on the vegetative growth, yield, and heavy metal contents of wheat grain and straw. Vegetative growth, grain and straw yields were similar whether wheat was fertilized with the recommended rate of inorganic N (112 kg/ha) or equivalent amounts of plant-available N from sewage sludge. Sewage sludge loading rates higher than three times the recommended plant- available N level delayed maturity and decreased wheat stands in the seedling stage; however, grain and

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34

Day, Arden, Spencer Swingle, Brooks Taylor, Ian Pepper, and Martha Minnich. "Effects of Sewage Sludge on Wheat Forage Production." College of Agriculture, University of Arizona (Tucson, AZ), 1987. http://hdl.handle.net/10150/203765.

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Experiments were conducted in Avra Valley, Arizona, to study the use of digested liquid sewage sludge as a source of plant nutrients in the commercial production of green-chopped feed and hay from wheat. Wheat grown with the recommended amount of plant-available nitrogen from sewage sludge produced more green-chopped feed and hay than did wheat grown with the same amount of nitrogen from inorganic fertilizer. Wheat green-chopped feed and hay grown with sewage sludge and inorganic fertilizer had similar livestock feeding qualities. Fertilizing wheat with sewage sludge delayed maturity.

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35

Day, A. D., B. B. Taylor, I. L. Pepper, and M. M. Minnich. "Effects of Sewage Sludge on Cotton Lint Quality." College of Agriculture, University of Arizona (Tucson, AZ), 1988. http://hdl.handle.net/10150/204507.

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Three field experiments were conducted in Avra Valley, Arizona, in 1986, to compare the lint quality of upland cotton fertilized with liquid sewage sludge with the lint quality of cotton fertilized with commercial inorganic fertilizer. Most lint quality components were similar for cotton fertilized with sewage sludge or inorganic nitrogen. Fertilization of cotton with sewage sludge tended to increase lint yield and decrease lint quality. Fertilization of cotton with sewage sludge increased vegetative growth and delayed lint maturity.

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36

Massanet-Nicolau, Jaime. "Mesophilic fermentative hydrogen production from sewage biosolids." Thesis, University of South Wales, 2009. https://pure.southwales.ac.uk/en/studentthesis/mesophilic-fermentative-hydrogen-production-from-sewage-biosolids(45d910c7-f8d1-4c9d-bc46-ca0b80de8361).html.

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The increasing cost of fossil fuels, combined with concerns about their impact on our environment has led to a renewed interest in hydrogen as a clean, sustainable, alternative energy vector. Using sewage biosolids as the substrate for fermentative hydrogen production offers several advantages over the use of other biomass sources. It is available at little or no cost and is abundant, being produced wherever there are human settlements, with 1.3 million tonnes (dry solids) per year currently being produced in the U.K alone. This research demonstrated the feasibility of hydrogen production from

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37

Haseltine, Michael H. "The effect of inert biomass support media on activated sludge treatment of a high-strength industrial wastewater." Thesis, This resource online, 1991. http://scholar.lib.vt.edu/theses/available/etd-12052009-020051/.

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38

Molwantwa, Jennifer Balatedi. "The hydrolysis of primary sewage sludge under biosulphidogenic conditions." Thesis, Rhodes University, 2003. http://hdl.handle.net/10962/d1004020.

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The potential for using readily available and cost-effective complex carbon sources such as primary sewage sludge for a range of environmental remediation processes, including biological sulphate reduction, biological nutrient removal and the bioremediation of acid mine drainage, has been constrained by the slow rate of solubilization and low yield of soluble products, which drive the above mentioned processes. Previous work conducted by the Environmental Biotechnology Group at Rhodes University indicated that the degradation of primary sewage sludge was enhanced under sulphate reducing condit

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39

Tsang, Wai Lik. "Performance of sulfate reduction, autotrophic denitrification, and nitrification integrated process (SANI process) for saline sewage treatment /." View abstract or full-text, 2007. http://library.ust.hk/cgi/db/thesis.pl?CIVL%202007%20TSANG.

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40

Buckley, Margaret M. "Conditioning for shear in sludge dewatering." Thesis, This resource online, 1994. http://scholar.lib.vt.edu/theses/available/etd-09052009-040620/.

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41

Yang, Wing-ning. "Management of dewatered sludge in Hong Kong /." View the Table of Contents & Abstract, 2006. http://sunzi.lib.hku.hk/hkuto/record/B37118833.

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42

O'Palko, Brian A. "The use of a microbubble dispersion to enhance a dissolved air flotation system in a wastewater treatment sludge media." Thesis, This resource online, 1991. http://scholar.lib.vt.edu/theses/available/etd-10222009-125034/.

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43

Papanicolaou, Athanasios N. "Settling characteristics of particles in a suspension of medium to high solids concentration." Thesis, This resource online, 1992. http://scholar.lib.vt.edu/theses/available/etd-05042010-020238/.

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44

Wong, Tak Ian. "Numerical flow simulations of an egg-shaped anaerobic sludge digester in wastewater treatment /." View abstract or full-text, 2005. http://library.ust.hk/cgi/db/thesis.pl?EVNG%202005%20WONG.

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45

Qi, Yinan. "Effect of centrifugal dewatering on the regrowth of fecal coliforms and Salmonella in anaerobically digested biosolids." Access to citation, abstract and download form provided by ProQuest Information and Learning Company; downloadable PDF file, 192 p, 2008. http://proquest.umi.com/pqdweb?did=1601522491&sid=2&Fmt=2&clientId=8331&RQT=309&VName=PQD.

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Thesis (Ph.D.)--University of Delaware, 2008.<br>Principal faculty advisors: Steven K. Dentel, Dept. of Civil & Environmental Engineering; and Diane S. Herson, Dept. of Biological Sciences. Includes bibliographical references.

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46

Copp, John B. "COD balances in biological nutrient (nitrogen and phosphorus) removal activated sludge systems /." *McMaster only, 1998.

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47

Rodríguez, Rodríguez Carlos E. "Degradation of pharmaceuticals in sewage sludge by Trametes versicolor." Doctoral thesis, Universitat Autònoma de Barcelona, 2012. http://hdl.handle.net/10803/117673.

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Dada la ineficiencia de las plantas de tratamiento de aguas residuales para eliminar completamente los contaminantes orgánicos, los lodos en ellas producidos constituyen una importante fuente de agentes tóxicos. Consecuentemente, la cada vez más popular práctica de aplicar lodos in tierras de uso agrícola resulta en la diseminación de estos microcontaminantes en el ambiente. El presente trabajo describe el desarrollo de una estrategia biotecnológica para la eliminación de contaminantes emergentes en lodos de depuradora, con particular énfasis en compuestos farmacéuticos, y basado en la aplica

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48

Rodriguez, Chiang Lourdes Maria. "Methane potential of sewage sludge to increase biogas production." Thesis, KTH, VA-teknik, Vatten, Avlopp och Avfall, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-96294.

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Sewage sludge is treated with the biological process of anaerobic digestion in which organic material of a substrate is degraded by microorganisms in the absence of oxygen. The result of this degradation is biogas, a mixture mainly of methane and carbon dioxide. Biochemical Methane Potential tests are used to provide a measure of the anaerobic degradability of a given substrate. This study aims to determine the methane potential in Sjöstadsverket’s sludge this will moreover determine the viability of recycling the digested sludge back into the anaerobic system for further digestion. Batch dige

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49

Ang, May Lin. "Development of a novel bioreactor to reduce sewage sludge." Thesis, University of Hull, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.431061.

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50

Das, Mohar. "Anaerobic codigestion of food waste with raw sewage sludge." Thesis, University of Manchester, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.498950.

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