PRETREATMENT OF FOOD AND DAIRY PROCESSING WASTEWATERS: FULL SCALE APPLICATION OF THE BIOLOGICAL SUSPENDED CARRIER REACTOR SYSTEM
Abstract:The Suspended Carrier Reactor (SCR) technology is an innovative system embodiment of the integrated fixed film activated sludge (IFAS) process. In the SCR system, biofilm growth occurs on the surface and interior of low density plastic carriers suspended in a bioreactor in which growth of suspended microbial aggregates is also encouraged. The SCR system was applied at the pilot and full scale level for treatment of wastewaters resulting from the manufacture of food and dairy products. The full scale system was designed to treat up to 84 m3/h of pretreated wastewater containing up to 4080 mg/l of COD and consisted of two bioreactors designed in a step feed configuration. Start-up of the full scale system was initiated in early January 2004. Results to-date imply the system will meet its effluent quality objective of less than 250 mg/l carbonaceous BOD5.
Document Type: Research Article
Publication date: January 1, 2004
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