PERFORMANCE OF A ROTATING BIOLOGICAL CONTACTOR PROCESS UPGRADED WITH A SOLIDS RECIRCULATION SYSTEM
Abstract:The rotating biological contactor (RBC) process at the Portage, Wisconsin, wastewater treatment plant (WWTP) was upgraded with a solids recirculation (SR) system in 1990. The RBC/SR process has completed ten years of successful operation. The process is an excellent means of upgrading and expanding a conventional RBC process. The process is simple and can be easily implemented. The RBC/SR process eliminates the major problems normally associated with a conventional RBC process, increases the capacity of a conventional RBC process, produces a secondary sludge with excellent settling and thickening characteristics, and produces a high quality effluent.
Document Type: Research Article
Publication date: January 1, 2000
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