Author： Koetter Bruce Horsley Evoyd Meador Phillips H.
Publisher： Water Environment Federation
ISSN： 1938-6478
Source： Proceedings of the Water Environment Federation, Vol.2002, Iss.5, 2002-01, pp. : 1-12
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Abstract
The Town Branch Wastewater Treatment Plant (TBWWTP) is a 30 million gallons per day (mgd)(113,500 m3/d) single stage activated sludge nitrification plant in Lexington, Kentucky. The Lexington Fayette Urban County Government (LFUCG) had received odor complaints from residential neighborhoods surrounding the plant for years and had installed several systems to control the odors from individual processes, but off-site, odor complaints persisted. The LFUCG decided to conduct an odor study of the entire plant, meet with the neighbors, identify and rank the major odors sources, identify the best and most cost effective means of controlling these odors and develop preliminary engineering plans.A thorough investigation of numerous odor control technologies was conducted, including several site visits to inspect operating systems, and it was concluded that the most reliable and cost effective method of controlling emissions from the primary clarifier influent channels, primary effluent weirs and primary effluent channels was to cover the structures, capture the air and treat it in existing aeration basins
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