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KMnO 4 pre-oxidation combined with FeCl 3 coagulation for membrane fouling reduction was investigated during ultrafiltration (UF) of water samples from an impacted canal river. 0.5mg/L KMnO 4 oxidation alone showed an obvious effect on the decrease of the total membrane fouling and fouling irreversibility, due to the removal of relevant organic membrane foulants such as biopolymers...
In this paper, the influences of air bubbling mode, air flow rate, air bubble size and feed water quality on the membrane fouling of immersed hollow-fiber (HF) membrane for ultrafiltration of river water were investigated. The membrane was operated in the intermittent suction mode of 9min on/1min off. The results showed that continuous air bubbling was more effective for mitigating membrane fouling...
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