Moving Bed Bioreactor Increases Capacity for Industrial Treatment at the City of Manawa, WI.
The City of Manawa serves an industry producing dry food products. Growth from that industry required an expansion of the city wastewater treatment plant to treat the high strength waste in the form of sugars and starches. A moving bed bioreactor operating as a biofilm activated sludge process was selected for installation. Design parameters were based on empirical data collected by the vendor from municipal wastewater treatment plants. The process was designed for 82% soluble BOD5 removal in the moving bed bioreactor. Wastewater testing showed actual soluble BOD5 removal of 92%. SVI values decreased from 347 before the bioreactor to 141 after the bioreactor was operational. This process has allowed the wastewater treatment process capacity to be expanded by 50% without adding new tanks. This technology is promising for treating high strength wastes in a municipal wastewater treatment plant.
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Document Type: Research Article
Publication date: 01 January 2008
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