Dye wastewater treatment by using ceramic membrane bioreactor
by Qi Yang, Haitao Shang, Jianlong Wang
International Journal of Environment and Pollution (IJEP), Vol. 38, No. 3, 2009

Abstract: Performance of a Micro-filtration Membrane Bioreactor (MMBR) for treatment of dye wastewater was investigated. The experimental results indicated that the removal efficiency for COD, TOC and colour was 85%, 85-90% and 70%, respectively, the effluent COD was below 70 mgl⁻¹ on average. Gel layer resistance of COD was 10%. Particle size distribution of sludge in MMBR was 1-150 μm, and the average particle diameter was 20-40 µm. The activity of dehydrogenase of activated sludge in MMBR was 36-42 mgTTC (gVSS) ⁻¹h⁻¹, while active dehydrogenase enzyme content was 7.95 mgVSS⁻¹.

Online publication date: Sat, 18-Jul-2009

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