A Study on a Submerged Membrane Bioreactor for Municipal Wastewater Treatment

Xu Dong Liu; Ying Meng Xiu; Yan Hong Chen

doi:10.4028/www.scientific.net/AMR.531.415

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 531A Study on a Submerged Membrane Bioreactor for...

A Study on a Submerged Membrane Bioreactor for Municipal Wastewater Treatment

Abstract:

Through a long-term experiment, the performance of membrane bioreactor(MBR) for contaminants removal and membrane fouling was investigated. The results demonstrated that the removal effect of COD and NH3-N by the MBR was better. The effluent COD and NH3-N were lower than 50mg/L and 4mg/L, respectively. The observation by using the scanning electronic microscope(SEM) presented at the beginning of membrane filtration, there was no fouling in the membrane pores. With the continuous operation of the MBR, foulants shaped like mud cakes appeared in the membrane poles. The increasing of MLSS(mixed liquor suspended solids) concentration in the bioreactor didn’t increase membrane fouling. During the 75 days of operation, MBR cleaning was carried out twice.

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Periodical:

Advanced Materials Research (Volume 531)

Pages:

415-418

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.531.415

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Online since:

June 2012

Authors:

Xu Dong Liu, Ying Meng Xiu, Yan Hong Chen

Keywords:

Membrane Bioreactor (MBR), Membrane Fouling, Municipal Wastewater, Transmembrane Pressure

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