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Item Information   Holdings       More by this author     Ewoldt, Adam     Subjects     Sewage -- Purification -- Biological treatment     Water -- Purification -- Phosphorus removal     Water -- Purification -- Nutrient removal     Water -- Purification -- Aeration     MSEV Project.     Browse Catalog     by author:      Ewoldt, Adam       by title:      Design of a biologic...         MARC Display

Design of a biological phosphorus removal process for the City of Waukesha Wastewater Treatment Facility / Adam Ewoldt. by Ewoldt, Adam Subjects Sewage -- Purification -- Biological treatment   Water -- Purification -- Phosphorus removal   Water -- Purification -- Nutrient removal   Water -- Purification -- Aeration   MSEV Project. Description:  75 leaves : ill. ; 29 cm. Contents:  Thesis advisor: Dr. Frank Mahuta Committee members: Steve Arant, Ken Kaszubowski Introduction and literature review -- Modeling methodology -- Results and discussion -- Conclusion and recommendations -- A: Bio-P modeling graphs and data -- B: Ferric chloride feed system -- C: Waukesha plant diagrams -- D: Waukesha Wastewater Treatment Facility data 2007 -- E: Computer aided design of nutrient removal activated sludge processes provided by the WDNR. 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.   Copy/Holding information Location Collection Call No. Status   Walter Schroeder Library Master's Theses AC805 .E96 2010 Available Add Copy to MyList Format: HTMLPlain textDelimited Subject:   Email to:

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