Activities of Activated Sludge Affected by Pharmaceutical Wastewater in a Membrane Bioreactor

Yuan Hong Ding; Qing Wang; Hong Qiang Ren

doi:10.4028/www.scientific.net/AMR.610-613.1426

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 610-613Activities of Activated Sludge Affected by...

Activities of Activated Sludge Affected by Pharmaceutical Wastewater in a Membrane Bioreactor

Abstract:

a submerged membrane bioreactor was used to treat the effluent of a pharmaceutical wastewater treatment system, the treated water is rich in ammonia nitrogen and organic compounds (NH4-N, averaged in 78.1 mg/L; COD, averaged in 189.5 mg/L), the final effluent of membrane bioreactor was stably below 50 mg/L COD and 40 mg/L NH4-N respectively, the activity of nitrifying bacteria was inhibited by high concentrations of organic compounds and ammonia nitrogen, a rapid declination of filtration was probably resulted form high concentrations of organic compounds and biomass.

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Periodical:

Advanced Materials Research (Volumes 610-613)

Pages:

1426-1431

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.610-613.1426

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Online since:

December 2012

Authors:

Yuan Hong Ding, Qing Wang, Hong Qiang Ren

Keywords:

Activated Sludge, Membrane Bioreactor (MBR), Membrane Fouling, Pharmaceutical Wastewater

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