2011•Journal of Henan University of Urban ConstructionRequires access

Experimental study on water treatment of effluent of sedimentation tank with PAC-UF process

Pei‐Ning Wang

Abstract

Combined process by powdered active carbon(PAC) and ultra filtration(UF) was used to treat the effluent of sedimentation tank in the 2th Waterworks in Dongguan.The influence of PAC dosage(0、15、30 and 45 mg/L) on UF was studied.The results showed that adding PAC to the system enhanced the removal efficiencies of PAC-UF for CODMn,UV254 and the larger the amount of PAC added,the higher the removal efficiency could be achieved.At the same time,membrane fouling was mitigated by PAC addition.The performance of membrane could be recovered after chemical backwashing.

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Key concepts: Backwashing, Effluent, Sedimentation, Powdered activated carbon treatment, Filtration (mathematics), Membrane fouling, Ultrafiltration (renal), Pulp and paper industry