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Membrane Behavior in New Vacuum Rotation Membrane Bioreactor Technology - Results of Pilot Testing

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To avoid contravening European Community beach bathing standards the Bua wastewater treatment plant (WWTP) in the Municipality of Varberg, Sweden considered using membrane bioreactor (MBR) technology. A Huber VRM pilot plant was installed at the Bua WWTP in November 2007, and operated through June 2008. EEC bathing standards were met and BOD and TSS values were below detection limits. The pilot was taken through a series of test to evaluate the impact of membrane resting period, escalating flux rates, and steady state flux rate, at primarily low temperatures of 9-11°C. Results are reported in terms of TMP and permeability. Microbiological tests were carried out to characterize the nature of the mixed liquor in MBR systems.

Keywords: TMP; Vacuum rotation MBR technology; low temperature flux rates; mixed liquor microbiology; permeability; permeate chemical analysis

Document Type: Research Article


Publication date: 2009-01-01

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