2009•Journal of Wuhan Polytechnic UniversityRequires access

Study on Treatment of Wastewater from Restaurant Using Pre-oxidation-coagulating Sedimentation Method

Jingjing Qin

Abstract

Wastewater from restaurant was treated by process of pre-oxidation-coagulating sedimentation in the study.The best experimental conditions of coagulating sedimentation method with the presence of KMnO4 pre-oxidation and PFS as coagulant,PAM as coagulant aids process were studied.The results show that pre-oxidation coagulating method is better than coagulating sedimentation method,the values of CODCr of wastewaters drop dramatically and the removal rate of CODCr can reach 86%,increased by 15% compared with that of the process of coagulating sedimentation method.

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Key concepts: Sedimentation, Wastewater, Chemistry, Oxidation process, Process (computing), Pulp and paper industry, Waste management, Environmental science