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Phosphorus Removal by Luxury Uptake

M. C. Mulbarger, D. G. Shifflett, M. C. Murphy and D. D. Huffman
Journal (Water Pollution Control Federation)
Vol. 43, No. 8 (Aug., 1971), pp. 1617-1628
Stable URL: http://www.jstor.org/stable/25037151
Page Count: 12
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Phosphorus Removal by Luxury Uptake
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Abstract

A 1.0-mgd (3,785-cu m/day) wastewater treatment plant designed for biological phosphorus removal within an activated sludge system was evaluated over a variety of operating conditions during its first year of operation. A maximum phosphorus removal rate of 0.026 lb of phosphorus removed/lb of COD removed was obtained. High influent phosphorus concentrations reruced the plant's probable performance to less than 50 percent phosphorus removal at optimum conditions. Phosphorus removal apparently occurs through a combination of metabolic and physical-chemical mechanisms. The specialized plant design has caused several operating problems, and capital and operating expenditures are significantly greater than those reported for conventional activated sludge treatment.

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