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2004•Unpublished venueRequires access

Coagulation treatment of cationic dyes wastewater

Xiao Wang

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Abstract

The treatment of acrylonitrile fibre printing and dyeing wastewater by PFS or FeSO4 as coagulant and PAM as coagulant aid have been studied by the orthogonal process. Four factors influencing coagulant result have been investigated. Under the condition of pH value 9, FeSO4 dosage of 1 250mg/L,PAM dosage of 3 mg/L, stirring time 5 minutes ,the best result is obtained . The result shows that removal rate of COD is over 70%.

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What this paper is about

The treatment of acrylonitrile fibre printing and dyeing wastewater by PFS or FeSO4 as coagulant and PAM as coagulant aid have been studied by the orthogonal process. Four factors influencing coagulant result have been investigated. Under the condition of pH value 9, FeSO4 dosage of 1 250mg/L,PAM dosage of 3 mg/L, stirring time 5 minutes ,the best result is obtained . The result shows that removal rate of COD is over 70%.

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Available abstract

The treatment of acrylonitrile fibre printing and dyeing wastewater by PFS or FeSO4 as coagulant and PAM as coagulant aid have been studied by the orthogonal process. Four factors influencing coagulant result have been investigated. Under the condition of pH value 9, FeSO4 dosage of 1 250mg/L,PAM dosage of 3 mg/L, stirring time 5 minutes ,the best result is obtained . The result shows that removal rate of COD is over 70%.

Key concepts: Coagulation, Cationic polymerization, Wastewater, Acrylonitrile, Chemistry, Pulp and paper industry, Dyeing, Sewage treatment

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