Wastewater treatment using bioreactor with dual functional ceramic membrane
by Yongming Zhang, Juntang Yu, Suhua Chen, Shigui Wan
International Journal of Environment and Pollution (IJEP), Vol. 38, No. 3, 2009

Abstract: A novel bioreactor including a group of dual functional ceramic membranes was developed and used for wastewater treatment. The ceramic membranes could be used for both aeration and filtration alternately, so fouling to ceramic membrane would be palliated effectively as its dual functions. For 100 days operation, COD removal ratio was 88∼97% for influent COD of 154∼1389 mg/L, and NH₄⁺-N removal ratio was 98% for influent NH₄⁺-N of 7.52∼51.35 mg/L. Some washing methods aiming at foul were discussed, experimental results indicated that surface foul is main factor to ceramic membrane and NaClO is better washing agent for the flux recover.

Online publication date: Sat, 18-Jul-2009

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