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Response of Activated Sludge Processes to Organic Transients: Kinetics

M. W. Selna and E. D. Schroeder
Journal (Water Pollution Control Federation)
Vol. 50, No. 5 (May, 1978), pp. 944-956
Stable URL: http://www.jstor.org/stable/25039658
Page Count: 13
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Since scans are not currently available to screen readers, please contact JSTOR User Support for access. We'll provide a PDF copy for your screen reader.
Response of Activated Sludge Processes to Organic Transients: Kinetics
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Abstract

Experiments on nonsteady-state operation of the activated sludge process showed that response to transient square-wave loading is nearly immediate, as indicated by changes in mixed liquor suspended solids, substrate utilization rate, and dissolved oxygen. For sludge with good settling properties, only minor increases in effluent suspended solids occurred. Production of an acceptable effluent depended on control of steady-state unit growth rate.

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