Download or read book Design of a Biological Phosphorus Removal Process for the City of Waukesha Wastewater Treatment Facility written by Adam Ewoldt and published by . This book was released on 2010 with total page 150 pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of this study is to analyze the current chemical phosphorus removal system and to compare it to a retrofit biological phosphorus removal system for the Waukesha Wastewater Treatment Plant. Phosphorus, an essential nutrient for all living things, causes serious eutrophication problems in receiving water bodies if not controlled. The Waukesha Wastewater Treatment Plant was chosen for an analysis of its existing chemical phosphorus removal system because data were available and there were no recent major modifications to the plant. The analysis of the phosphorus removal process was done to evaluate the feasibility of converting from a chemical phosphorus removal system to a biological phosphorus removal (BPR) system. This analysis found that a biological system appears to be feasible and promising based on analysis of the performance, cost, and environmental impacts. The benefits that could be acquired from this process outweigh the negatives. The analysis found that biological phosphorus removal could achieve the required 1 mg P/l effluent requirements for the plant. The benefits to the plant include: increased solids handling capacity resulting from a reduction of 255 tons per year of solids production from chemical additions, lower salinity in the effluent water, and reduced biosolids costs of $20,500 per year. The reduction in annual operational costs would result in a payback period of less than 3 years. Further investigation of this retrofit is justifiable for the City of Waukesha and the Waukesha Wastewater Treatment Facility managers.

Download or read book Biological Phosphorus Removal written by P. M. J. Janssen and published by IWA Publishing. This book was released on 2002-05-31 with total page 228 pages. Available in PDF, EPUB and Kindle. Book excerpt: Biological phosphorus (bio-P) removal has become a reliable and well-understood process within wastewater treatment, despite being one of the most complex processes in the activated sludge process. Extended fundamental and full-scale research has been carried out into the bio-P process and the state-of-the-art is described in this report. A summarising historical overview gives insight into the establishment of the appropriate microbiological and biochemical basis of the process and the development of bio-P configurations in practice. Aspects of the bio-P process that have a direct influence on the efficiency of phosphorus removal are subjected to an in-depth investigation. This report presents guidelines for design and dimensioning in order to introduce and/or optimise the bio-P process in practice. Twelve bio-P installations are extensively described and the operational results and experiences are related to existing bio-P knowledge and guidelines. Based on a number of parameters, a comparison is made between the described bio-P plants. A steady state model is verified with extensive periods of practical experience of the plants. The bio-P model, which is provided on CD-ROM (available for download here), offers a reliable insight into the bio-P process, coupled with sensitivity analyses regarding wastewater characteristics and process parameters for the anaerobic volume and the P-ortho concentration in the final effluent. The report ends with a systematic approach to the design of the bio-P process, based on the background of the bio-P process itself, much practical experience and the analysis of operational bio-P plants. Also presented is a systematic approach to tackle operational aspects of the bio-P process in order to generate an acceptable low P effluent concentration. This optimisation of the bio-P process operation is supported by a decision diagram. Biological Phosphorus Removal will be an invaluable source of information for all those concerned with wastewater treatment, including plant managers, process designers, consultants and researchers.

Download or read book Phosphorus and Nitrogen Removal from Municipal Wastewater written by RichardI. Sedlak and published by Routledge. This book was released on 2018-04-27 with total page 258 pages. Available in PDF, EPUB and Kindle. Book excerpt: This valuable new book offers practical guidance regarding the design and operation of systems for reducing effluent nitrogen and phosphorus. The principles of nitrogen and phosphorus removal are discussed, including sources of nitrogen and phosphorus in wastewater, removal options, nitrogen and phosphorus transformations in treatment, process selection, and treatment. The book also covers the design and operation of nitrogen and phosphorus removal systems, including system options, system design, facility design, facility costs, and operation. Practical case studies are provided as examples of successful system implementations that may be able to help you decide what will work best in your plant.

Download or read book Phosphorus and Nitrogen Removal from Municipal Wastewater written by Richard I. Sedlak and published by CRC Press. This book was released on 1991-10-07 with total page 258 pages. Available in PDF, EPUB and Kindle. Book excerpt: This valuable new book offers practical guidance regarding the design and operation of systems for reducing effluent nitrogen and phosphorus. The principles of nitrogen and phosphorus removal are discussed, including sources of nitrogen and phosphorus in wastewater, removal options, nitrogen and phosphorus transformations in treatment, process selection, and treatment. The book also covers the design and operation of nitrogen and phosphorus removal systems, including system options, system design, facility design, facility costs, and operation. Practical case studies are provided as examples of successful system implementations that may be able to help you decide what will work best in your plant.

Download or read book Process Design Manual for Phosphorus Removal written by United States. Environmental Protection Agency. Office of Technology Transfer and published by . This book was released on 1976 with total page 310 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Process Design Manual for Phosphorus Removal written by Shimek, Roming, Jacobs, and Finklea (Firm) and published by . This book was released on 1976 with total page 278 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Biological Phosphorus Removal written by Scott Landers and published by . This book was released on 2021 with total page 98 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Design Manual written by and published by . This book was released on 1987 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Biological Phosphorus Removal Activated Sludge Process in Warm Climates written by Cao Ye Shi and published by IWA Publishing. This book was released on 2011-03-15 with total page 151 pages. Available in PDF, EPUB and Kindle. Book excerpt: Special Offer: Cao Ye Shi Author Set - Buy all three books together and save a total £76! Biological Phosphorus Removal Activated Sludge Process in Warm Climates presents the results of detailed research on the Enhanced Biological Phosphorus Removal (EBPR) activated sludge process under warm climate conditions (20oC - 30oC), which is part of the R & D program of Public Utilities Board (PUB) Singapore. The investigations and studies presented in this book are application-oriented, but at the same time the studies aim at an insightful understanding of the EBPR with the knowledge of the latest development in academic field. The focus points are: EBPR performance of laboratory-scale and full-scale activated sludge processes under the site conditions in warm climates The carbon competition and distribution between PAO and GAO (and denitrifiers) in the process The stoichiometry and kinetics of P-release, COD uptake in the anaerobic environment and P-uptake in the aerobic environment under different temperatures and operating conditions PAO and GAO population fractions, shift and dominance studies using FISH and batch tests The inter-relationships between the system performance, process design and the microbial community EBPR for industrial wastewater (high ratio of feed COD/P) treatment under warm climates. Together with the preceding book – Biological Nitrogen Removal Activated Sludge Process in Warm Climates – published by IWA in 2008, this book fills the gap of biological nutrient (nitrogen and phosphorus) removal in warm climates and provides unique experiences and knowledge for Process and design researchers and engineers in wastewater research, students and academic staff in Civil/Sanitation/Environment Departments, as well as Managers, Engineers and Consultants in water companies and water utilities. Visit the IWA WaterWiki to read and share material related to this title: http://www.iwawaterwiki.org/xwiki/bin/view/Articles/SELECTIONOFDOMESTICWASTEWATERTREATMENTSYSTEMSINWARMCLIMATEREGIONS

Download or read book Process Design Manual for Phosphorus Removal written by Black & Veatch and published by . This book was released on 1971 with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Modeling Biological Phosphorus Removal in Activated Sludge Systems written by Damir Brdanovic and published by CRC Press. This book was released on 2021-10-01 with total page 272 pages. Available in PDF, EPUB and Kindle. Book excerpt: This text looks at different effects on the process of biological phosphorus removal. Topics include: biological phosphorus removal processes; process and molecular ecological studies; and the effect of potassium limitation on biological phosphorus removal.

Download or read book Phosphorus Removal from Wastewater written by Robert P.G. Bowker and published by William Andrew. This book was released on 1990-12-31 with total page 138 pages. Available in PDF, EPUB and Kindle. Book excerpt: Information presented first by the US EPA in September 1987, in Design manual--phosphorus removal. The manual is oriented toward design methods and operating procedures. Cost information from actual phosphorus-removing installations is presented when available. Planning level cost estimates are also included. Annotation copyrighted by Book News, Inc., Portland, OR

Download or read book Phosphorus Removal Within Existing Wastewater Treatment Facilities written by B. I. Boyko and published by Environmental Protection Service, Environment Canada. This book was released on 1976 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt: The various projects reported herein were undertaken to assist in the implementation of the Province of Ontario's phosphorus control program. Under this five-year program, phosphorus removal was to be initiated on the discharges of more than 170 existing wastewater treatment plants serving some five million persons. In order to implement this program, a methodology to predict the coagulant best suited for phosphorus removal at any particular treatment facility was required. It was also necessary to determine whether the chemicals used for phosphorus removal would have any physical or process effects on present wastewater treatment processes, facilities, methods of sludge treatment, and subsequent sludge disposal practices. This report discusses coagulation prediction and prime coagulant selection, and the operational results, problems and design considerations derived from a series of full scale studies. The study concluded that phosphorus removal may be readily implemented with minimal capital expenditure at operating municipal wastewater treatment facilities of all designs currently in use in Ontario.

Download or read book Biological Phosphorus Removal Potential Test written by Jae Kwang Park and published by . This book was released on 1999 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Biological Phosphorus Removal at the City of Kerrville Wastewater Treatment Plant written by Christopher Harder and published by . This book was released on 1998 with total page 226 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Enhanced Biological Phosphorus Removal at High Temperature Using Different Carbon Sources Key Microorganisms and Processes written by Rogelio Ernesto Zuniga Montanez and published by . This book was released on 2020 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Municipal wastewater contains a number of constituents that can have detrimental effects if discharged to receiving water bodies. Phosphorus (P) is of specific interest as a limiting nutrient in aquatic ecosystems that can cause eutrophication. In enhanced biological phosphorus removal (EBPR), polyphosphate accumulating organisms (PAOs) store excess P intracellularly. To achieve this accumulation, the organisms are exposed consecutively to anaerobic and either aerobic or anoxic conditions. During the anaerobic phase, PAOs consume and store organic carbon with P release, followed by the aerobic/anoxic phase during which the stored carbon is oxidized and P is taken up and stored as polyphosphate. PAOs are not the only bacteria that can thrive under these cyclic conditions and they face competition from glycogen accumulating organisms (GAOs). The latter have a similar metabolism but do not accumulate P. Most research to date has focused on the use of certain volatile fatty acids (VFAs) as carbon sources and on process conditions at temperatures common in temperate climates. Much remains unknown about the potential of EBPR in tropical regions and the suitability of other carbon substrates to drive the accumulation of phosphate. The purpose of this dissertation is to contribute to the understanding of EBPR at high temperatures and with unconventional carbon sources. Three different studies were designed and conducted with the following aims: (a) to evaluate the long-term EBPR stability and key microbial community in a wastewater treatment plant (WWTP) designed to achieve P removal in Singapore, (b) to study the process efficiency, biochemical transformations and organisms involved in a laboratory-scale EBPR reactor fed by alternating the substrates acetate and glutamate, and (c) to assess the potential of using unconventional carbon sources for EBPR by testing glutamate and glucose as alternating substrates at the laboratory-scale. The research included experiments at the full- and laboratory-scale, all at a mean temperature of 30 °C. Sustained observations in all three studies served to uncover the biochemical and microbial community dynamics. In the full-scale study, I conducted a yearlong evaluation of the EBPR activity at a WWTP that had been retrofitted to facilitate EBPR in Singapore. A mean P removal efficiency of 90 % was observed throughout the sampling period, similar to temperate climate installations and contrary to earlier reports that EBPR was not feasible at high temperatures. The main PAOs present in the reactor were Tetrasphaera, Candidatus Accumulibacter (Accumulibacter) and Dechloromonas, with mean relative abundances of 1.53, 0.43 and 0.69 %, respectively. The PAO community underwent changes during the surveyed period, with a marked transition from a Tetrasphaera-dominated community to a more even one. The link between PAOs and the P released in the anaerobic compartment was supported by a statistically significant correlation between the relative abundance of these organisms and the measured P concentrations. GAOs and PAOs coexisted without compromising the EBPR activity. In one of the laboratory-scale studies, glutamate and acetate were alternated as the carbon source for a reactor operated at 30 °C. Complete and stable P removal was achieved with a predominantly glutamate-containing feed, after modifying operating parameters commonly used in VFA-fed systems to a COD/P ratio of 40:1 mg COD/mg P and a cycle duration of 8 h. Long-term EBPR with a feed dominated by glutamate in a laboratory-scale reactor has not been previously reported. The P and carbon cycling patterns were different for glutamate and acetate. Reduced P release and polyhydroxyalkanoate (PHA) accumulation happened when glutamate was fed, but not with acetate, where glutamate appeared to be stored as an unidentified non-PHA compound or as different compounds. The PAO Accumulibacter and the GAO Candidatus Competibacter (Competibacter) remained the only known EBPR bacteria during the period of good EBPR performance, at similar relative abundances. A canonical correlation analysis revealed that the relative abundance of some non-PAO organisms correlated more strongly with variables that denoted good EBPR activity than did the abundance of any of the known PAOs. In the last study, a laboratory-scale sequencing batch reactor was used to test the EBPR potential of glutamate and glucose as alternating carbon sources in a high temperature process. The recommended influent COD/P ratio and batch duration for VFA-fed systems were unsuccessful. After modifications, COD/P ratios of 20:1 and 40:1 mg COD/ mg P resulted in complete P removal, but only in the short term. The EBPR stoichiometry with these two carbon substrates differed from that of VFA-fed systems. For both, lower P and PHA cycling was observed, and intracellular carbon storage compounds that were not PHA appeared to contribute to P cycling, as shown from carbon balances. A very diverse EBPR community was present in the reactor, including Accumulibacter, Tetrasphaera and Dechloromonas PAOs, and Competibacter, Defluviicoccus, Micropruina and Kineosphaera GAOs. Most of these organisms have not been reported before in laboratory-scale EBPR reactors operated at high temperatures. The work presented in this dissertation expands the understanding of EBPR by showing that the process is possible and stable in full-scale treatment plants at high temperature, with removal efficiencies similar to those observed in temperate climates. In addition, it was shown that unconventional carbon sources, specifically, glutamate and glucose, do participate in EBPR and that complete and stable phosphorus removal can be achieved with glutamate as dominant substrate at high temperature. A core PAO and GAO community was present in the three systems, where the interactions among members were more complex than previously considered, including competition, coexistence and succession events. The results obtained from this work enhance our fundamental knowledge of EBPR as an industrial process, as well as the metabolic diversity, niches and dynamics of PAOs and GAOs. The study outcomes can inform design and operational strategies at full-scale treatment plants. Lastly, the consideration of both high temperatures and unconventional carbon sources for EBPR is expected to aid in the development of more efficient treatment processes.

Download or read book An Economic Comparison of Chemical and Biological Phosphorus Removal Processes in a 10 MGD Municipal Wastewater Treatment Plant written by James David Sunta and published by . This book was released on 1987 with total page 240 pages. Available in PDF, EPUB and Kindle. Book excerpt: