Batch Biological Treatment of Inhibitory Substrates
Publication: Journal of Environmental Engineering
Volume 119, Issue 5
Abstract
A number of papers have been published on the treatment of inhibitory substrates in completely mixed, continuous activated sludge (CMAS) systems, but little information exists on the treatment of inhibitory compounds in batch reactors. With the increasing use of sequencing batch reactors (SBRs) for industrial waste treatment, it is important to evaluate the effects of reactor design and operation on treatment performance. A procedure for optimizing inhibitory substrate removal rate in an SBR is presented in this paper. The average rate of removal over the course of one batch cycle is shown to depend on the initial substrate concentration in the reactor. For a given loading rate, the initial substrate concentration can be controlled by adjusting cycle times and through other operating strategies. Within physical constraints of the system, an optimum value for initial concentration can be selected to maximize loading rates in reactor design, or to maximize substrate removal rates for existing plants.
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Information & Authors
Information
Published In
Journal of Environmental Engineering
Volume 119 • Issue 5 • September 1993
Pages: 855 - 870
Copyright
Copyright © 1993 American Society of Civil Engineers.
History
Received: May 26, 1992
Published online: Sep 1, 1993
Published in print: Sep 1993
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