Research Article
Dec 1972
Optimal Design of Wastewater Treatment Systems by Enumeration
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VIEW THE REPLYPublication: Journal of the Sanitary Engineering Division
Volume 98, Issue 6
Abstract
Wastewater treatment systems were designed to achieve specific requirements at least cost. The trend is to design the most efficient processes. An enumerative mathematical model was used to evaluate two common treatment systems. The model provided designs based on standard criteria and evaluated costs using published equations. It was found that mixed liquors suspended solid (MLSS) levels in activated sludge systems should be 3,000 mg/l. For primary settling tanks preceding activated sludge, the computer always selected the least efficient unit, in terms of BOD and suspended solids removals. Anaerobic digesters were selected over aerobic digesters in all optimal designs, but the cost difference was small. The model is limited by the alternatives considered, the design criteria selected and the constraints imposed, but provides insight into the effects of common design decisions.
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Published In
Journal of the Sanitary Engineering Division
Volume 98 • Issue 6 • December 1972
Pages: 833 - 851
Copyright
© 1972 American Society of Civil Engineers.
History
Published in print: Dec 1972
Published online: Feb 12, 2021
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Authors
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Gene F. Parkin
Grad. Student, Sanitary Engrg., Stanford Univ., Stanford, Calif., USA
Richard R. Dague, M.ASCE
Sr. Consultant in Environmental Research and Systems Planning, Henningson, Durham & Richardson, Omaha, Neb., 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.