Variation of Membrane Fouling Characteristics at Salinity Wastewater in an Intermittently Aerated Membrane Bioreactor

Kang Xie; Jing Song; Si Qing Xia; Li Ping Qiu; Jia Bin Wang; Shou Bin Zhang

doi:10.4028/www.scientific.net/AMR.1092-1093.1029

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 1092-1093Variation of Membrane Fouling Characteristics at...

Variation of Membrane Fouling Characteristics at Salinity Wastewater in an Intermittently Aerated Membrane Bioreactor

Abstract:

In this study, the variation of Zeta potentials and distribution of molecular weight in Extracellular Polymeric Substances (EPS) and soluble microbial products (SMP) were investigated. It is indicated that the salinity is effect on Zeta potentials significantly. When the salinity increased from 0 g/L to 35 g/L, the Zeta potentials decreased gradually. The average molecular weight is mainly over 30 KDa in EPS and SMP at 0 g/L salinity, and is mainly below 10 KDa at 10 g/L and 35 g/L salinity. This result is evident that the variation of molecular weight is contributed to high salinity.

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Periodical:

Advanced Materials Research (Volumes 1092-1093)

Pages:

1029-1032

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1092-1093.1029

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Online since:

March 2015

Authors:

Kang Xie*, Jing Song, Si Qing Xia, Li Ping Qiu, Jia Bin Wang, Shou Bin Zhang

Keywords:

Intermittently Aerated Membrane Bioreactor (IAMBR), Membrane Fouling, Molecular Weight, Salinity Wastewater, Zeta Potential

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