Research Article
Oct 1974
Plant Performance Using Dissolved Oxygen Control
Publication: Journal of the Environmental Engineering Division
Volume 100, Issue 5
Abstract
The Renton Sewage Treatment Plant offered a unique opportunity to obtain unbiased, comparative performance evaluation data for both automatic and manual dissolved oxygen control. The data were ranked in ascending order and plotted on logarithmic probability paper to obtain a frequency distribution. The parameters that were considered were BOD in the effluent, BOD and COD removals, sludge volume index, and settleability. All the parameters showed in improvement when the operation was changed to automatic dissolved oxygen control with the exception of COD values, which reflected little change. A rate constant that considered BOD removals, hydraulic flow, and the concentration of mixed liquor suspended solids was used to determine the overall efficiency of process. In changing from manual to automatic dissolved oxygen control, the rate constant changed from 0.0260 to 0.1018, which reflects an improvement of 391%.
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Published In
Journal of the Environmental Engineering Division
Volume 100 • Issue 5 • October 1974
Pages: 1069 - 1076
Copyright
© 1974 American Society of Civil Engineers.
History
Published in print: Oct 1974
Published online: Feb 11, 2021
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Joseph F. Roesler, M.ASCE
Sanitary Engr.; Systems and Economic Analysis Sec., Tech. Development Support Branch, Advanced Waste Treatment Res. Lab., Envir. Protection Agency, Natl. Envir. Res. Ctr., Cincinnati, OH, USA
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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.