Comparison of NaOH and NaOCl on-line chemical enhanced backwash on membrane fouling of high flux membrane bioreactor treating sewage

Muhammad Zeeshan,Sadia Fida,Aki Sebastian Ruhl,Uchenna Egwu, Gaurav Kondal,Shamas Tabraiz

Chemical Engineering Journal Advances（2023）

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摘要

•Comparison of on-line NaOH and NaOCL-based chemical backwash for fouling reduction.•NaOH backwash increased the run-time by 45%.•NaOCl backwash increased the run-time by 61%.•NaOCl was significantly more effective than NaOH.•Chemically-enhanced backwash has no effect on pollutant removal efficiencies of MBR.

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关键词

high flux membrane bioreactor,membrane fouling,backwash,on-line

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