2005•Journal of Science of Teachers' College and UniversityRequires access

Study on application of coagulant in the treatment of the wastewater containing cation dyes by orthogonal process

JI Jian-hong

Abstract

The treatment of the wastewater containing cation dyes by PFAS or FeCl 3 as coagulaot 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 6,PFAS dosage of 75 mg/L,PAM dosage of 0.5 mg/L,by 0.5 minutes for the stirring,the best result is obtained.The result is showed removal rate of COD over 56.7%.

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Key concepts: Wastewater, Chemistry, Coagulation, Nuclear chemistry, Sewage treatment, Chromatography, Process (computing), Pulp and paper industry