Journal
BIORESOURCE TECHNOLOGY
Volume 141, Issue -, Pages 19-24Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2013.02.025
Keywords
PAC; MBR; Micro-polluted surface water; Membrane fouling; Temperature
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A bench-scale immersed microfiltration coupled with 50 g/L PAC was developed to treat micro-polluted surface water (MPSW) under 10 and 20 degrees C and the effects of temperatures on the performance and the membrane fouling were also investigated. The low temperature (10 degrees C) delayed the time for the start-up by 9 days and the complete nitrification by 10 days. In the stable operation, two systems both had high NH3-N removal efficiency (above 90%) and better removal of organic matters (10% DOC, 5% UV254 and 4% SUVA) at 10 degrees C. Polysaccharides (SMP) were the main membrane fouling matters at low temperature (10 degrees C) and low temperature (10 degrees C) didn't cause serious chemical irreversible membrane fouling. (c) 2013 Elsevier Ltd. All rights reserved.
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