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Performance of Municipal Wastewater Treatment Plant

Environmental Management and Health

ISSN: 0956-6163

Article publication date: 1 March 1991



The treatment performance of two‐stage secondary treatment consisting of a trickling filter followed by activated sludge process for treatment of combined municipal and industrial wastewater is determined. The municipal wastewater treatment plant is located in Solon, Ohio, where the treatment units include grit tanks, primary clarifiers, trickling filters, aeration tanks, secondary clarifiers, tertiary filters and chlorine contact tanks. The treatment performance data for a 12‐month period in 1989 was evaluated. The average total plant flow was 2.82 MGD (millions gallons per day) which consisted of 2.19 MGD industrial wastewater and 0.63 MGD domestic wastewater. Raw wastewater was of a high strength mainly due to the contribution from industrial sources. After different degrees of treatment the values of total suspended solids (TSS) and biochemical oxygen demand (BOD) met US Environmental Protection Agency standards. This plant has good treatment performance with 99 per cent BOD and 98 per cent TSS removal efficiencies.



Lo, H.H. and Hung, Y. (1991), "Performance of Municipal Wastewater Treatment Plant", Environmental Management and Health, Vol. 2 No. 3, pp. 6-12.




Copyright © 1991, MCB UP Limited

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