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OXYGEN TRANSFER EFFICIENCY SURVEYS AT THE SOUTH SHORE WASTEWATER TREATMENT PLANT - 1985-1987
Citation:
Warriner, R. OXYGEN TRANSFER EFFICIENCY SURVEYS AT THE SOUTH SHORE WASTEWATER TREATMENT PLANT - 1985-1987. U.S. Environmental Protection Agency, Washington, D.C., EPA/600/R-94/099 (NTIS PB94200870), 1994.
Description:
Ceramic plate diffusers were among the earliest forms of fine pore diffusers used for oxygen transfer in activated sludge treatment. hey have been successfully used for over 60 years in the Jones Island West Plant of the Milwaukee Metropolitan Sewerage District and, since initial start-up, in the Jones Island East Plant and the South Shore Plant. urveys of performance of these diffusers in all three plants were included in the EPA/ASCE Fine Pore Aeration Project. his report presents the results of 20 off-gas sampling surveys carried out at the South Shore Wastewater Treatment Plant.For all 20 basin surveys, the median value of standardized oxygen transfer efficiently (alpha-F-SOTE) was 18.9%. When evidence of nitrification was present, alpha-F-SOTE values were higher than on other survey dates. leaning history for the basin was obtained at the time of each off-gas survey. owever, no correlation between number of months in service since cleaning and alpha-F-SOTE could be identified. his report was submitted in partial fulfillment of Cooperative Agreement No. CR812167 by the American Society of Civil Engineers under subcontract to the Milwaukee Metropolitan Sewerage District under the partial sponsorship of the U.S. Environmental Protection Agency. he work reported herein was conducted over the period of 1985-1987. Project summary may be ordered as EPA/600/S-94/001).
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OXYGEN TRANSFER EFFICIENCY SURVEYS AT THE SOUTH SHORE WASTEWATER TREATMENT PLANT - 1985-1987