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Ultrafiltration of Yangtze River water

Bingzhi Dong

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Abstract

A hybrid process of coagulation-sand filtration-ultrafiltration membrane for treatment of Yangtze River water was investigated in a pilot scale. The results demonstrated that coagulation-sand filtration as a pretreatment could remove organics effectively. The transmembrane pressure was increased slowly during running of 5 months, so that the long-term running had been achieved. The turbidity, COD_(Mn) and DOC in treated water were 0.068 NTU, 1.23 mg/L and 1.3 mg/L, respectively.

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What this paper is about

A hybrid process of coagulation-sand filtration-ultrafiltration membrane for treatment of Yangtze River water was investigated in a pilot scale. The results demonstrated that coagulation-sand filtration as a pretreatment could remove organics effectively. The transmembrane pressure was increased slowly during running of 5 months, so that the long-term running had been achieved. The turbidity, COD_(Mn) and DOC in treated water were 0.068 NTU, 1.23 mg/L and 1.3 mg/L, respectively.

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Available abstract

A hybrid process of coagulation-sand filtration-ultrafiltration membrane for treatment of Yangtze River water was investigated in a pilot scale. The results demonstrated that coagulation-sand filtration as a pretreatment could remove organics effectively. The transmembrane pressure was increased slowly during running of 5 months, so that the long-term running had been achieved. The turbidity, COD_(Mn) and DOC in treated water were 0.068 NTU, 1.23 mg/L and 1.3 mg/L, respectively.

Key concepts: Turbidity, Ultrafiltration (renal), Filtration (mathematics), Coagulation, Yangtze river, Membrane, Chemistry, Water treatment

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