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Vol. 26 No. 11 (2014): Vol 26 Issue 11

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Effects of Microbe Concentration and Operation Conditions on Membrane Fouling in Treating Mustard Tuber Wastewater by Membrane Bioreactor

https://doi.org/10.14233/ajchem.2014.17504
Hongxiang Chai
Key Laboratory of Three Gorges Reservoir Region's Eco-Environments, Ministry of Education, Chongqing University, Chongqing 400045, P.R. China ;National Centre for International Research of Low-Carbon and Green Buildings, Chongqing University, Chongqing 400045, P.R. China
Limin Li
Key Laboratory of Three Gorges Reservoir Region's Eco-Environments, Ministry of Education, Chongqing University, Chongqing 400045, P.R. China ;National Centre for International Research of Low-Carbon and Green Buildings, Chongqing University, Chongqing 400045, P.R. China
Yinghua Wei
Key Laboratory of Three Gorges Reservoir Region's Eco-Environments, Ministry of Education, Chongqing University, Chongqing 400045, P.R. China ;National Centre for International Research of Low-Carbon and Green Buildings, Chongqing University, Chongqing 400045, P.R. China
Jun Du
Key Laboratory of Three Gorges Reservoir Region's Eco-Environments, Ministry of Education, Chongqing University, Chongqing 400045, P.R. China ;National Centre for International Research of Low-Carbon and Green Buildings, Chongqing University, Chongqing 400045, P.R. China
Jian Zhou
Key Laboratory of Three Gorges Reservoir Region's Eco-Environments, Ministry of Education, Chongqing University, Chongqing 400045, P.R. China ;National Centre for International Research of Low-Carbon and Green Buildings, Chongqing University, Chongqing 400045, P.R. China
Qiang He
Key Laboratory of Three Gorges Reservoir Region's Eco-Environments, Ministry of Education, Chongqing University, Chongqing 400045, P.R. China ;National Centre for International Research of Low-Carbon and Green Buildings, Chongqing University, Chongqing 400045, P.R. China

Corresponding Author(s) : Hongxiang Chai

chaihx@cqu.edu.cn

Asian Journal of Chemistry, Vol. 26 No. 11 (2014): Vol 26 Issue 11

Abstract

Membrane fouling is always the main hinderance in development and widespread application of membrane bioreactor (MBR). Microbe concentration and operation conditions were the main factors lead to membrane fouling including trans-membrane pressure (TMP), suction and cease time of the sorption pump, activated sludge concentration (MLSS). Four phases of operating conditions were carried out to investigate the decline rate and trend of the membrane flux and the influence on membrane fouling, finally find out the most effective parameters in treating mustard wastewater. Results showed that when the trans-membrane pressure, suction time, cease time and MLSS were 15 kpa, 10 min, 3 min, 6000 mg/L, respectively, the membrane bioreactor ran steadily and the flux decline velocity was low.

Keywords

Membrane fouling Membrane flux Trans-membrane pressure Cease time MLSS
Chai, H., Li, L., Wei, Y., Du, J., Zhou, J., & He, Q. (2014). Effects of Microbe Concentration and Operation Conditions on Membrane Fouling in Treating Mustard Tuber Wastewater by Membrane Bioreactor. Asian Journal of Chemistry, 26(11), 3253–3255. https://doi.org/10.14233/ajchem.2014.17504
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