Research Article
Jun 1969
Analog Simulation of Activated Sludge Systems
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VIEW THE REPLYPublication: Journal of the Sanitary Engineering Division
Volume 95, Issue 3
Abstract
Analog computer solutions of activated sludge design equations are presented for constant, shock, and periodic feed input conditions. System responses of the aerated lagoon, extended aeration, and separate sludge wasting activated sludge systems to these different inputs are analyzed with the following conclusions: (1) The analog computer can be used to solve nonlinear differential equations for both steady-state and transient solutions; (2) operational changes caused by different plant influents, e.g., shock and periodic loads, and response comparisons of different activated sludge systems to such inputs can be determined using the analog computer; and (3) research is necessary to confirm the ability of present design expressions to describe transient changes in actual treatment plants.
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Published In
Journal of the Sanitary Engineering Division
Volume 95 • Issue 3 • June 1969
Pages: 593 - 606
Copyright
© 1969 American Society of Civil Engineers.
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Published in print: Jun 1969
Published online: Feb 12, 2021
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Carl E. Burkhead, AM.ASCE
Asst. Prof. of Civ. Engrg., Univ. of Kentucky, Lexington, Ky.
Don J. Wood, M.ASCE
Assoc. Prof. of Civ. Engrg., Univ. of Kentucky, Lexington, Ky.
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ASCE Library Cards let you download journal articles, proceedings papers, and available book chapters across the entire ASCE Library platform. ASCE Library Cards remain active for 24 months or until all downloads are used. Note: This content will be debited as one download at time of checkout.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.