Parameter Choice for Process Control

by Edward D. Schroeder, Prof.; Dept. of Civ. Engrg., Univ. of California at Davis, Davis, Calif.,
Robert L. Irvine, Assoc. Prof.; Dept. of Civ. Engrg., Univ. of Notre Dame, Notre Dame, Ind.,

Serial Information: Journal of the Environmental Engineering Division, 1979, Vol. 105, Issue 2, Pg. 217-229

Document Type: Journal Paper

Abstract: Effective real time process control of activated sludge systems subject to transient loadings is dependent upon the identification of sensitive control parameters. Soluble organic concentration is shown not to be a suitable control parameter. Oxygen uptake rate and, correspondingly, reactor dissolved oxygen concentrations are extremely sensitive to changes in reactor soluble BOD concentration resulting from loading variations and, as a result, can be used as an indirect measure of soluble organics.

Subject Headings: Transient loads | Parameters (statistics) | Solubility | Dissolved oxygen | Activated sludge | Load factors | Concentrated loads

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