期刊
BIORESOURCE TECHNOLOGY
卷 223, 期 -, 页码 301-306出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2016.10.054
关键词
Air scouring; Dynamic membrane; MBR; Mesh; Wastewater
The Membrane BioReactor (MBR) is a well-established filtration-based technology for wastewater treatment. Despite the high quality of the effluent produced, one of the main drawbacks of the MBR is membrane fouling. In this context, a possible evolution towards systems having potentially lower installation and operating costs is the Self Forming Dynamic Membrane BioReactor (SFD MBR). Key of this technology is the self-formation of a biological filtering layer on a support of inert material. In this work, a lab-scale aerobic SFD MBR equipped with a nylon mesh was operated at approximately 95 L m(-2) h(-1). Two mesh pore sizes (20 and 50 mu m) and three air scouring flow rates (150, 250, and 500 mL(air) min(-1)) were tested at steady state. Under all the tested conditions, the SFD MBR effectively treated real municipal wastewater. The quality of the produced effluent increased for lower mesh size and lower air scouring
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