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Dynamic Experiment on Coal-gas Wastewater Treatment by Fenton Reagent

Chengli Wang

Abstract

The treatment of coal-gas wastewater by Fenton is studied.The effects of some factors on the removal rate of COD are discussed in the oxidation process,such as pH value,temperature,HRT,H2O2 dosage and Fe2+ dosage,then the optimal operating conditions are determined.The result shows that the optimum removal rate of COD reached above 80%,with pH=7.0-7.6, T=30℃,dosage of H2O2 is 70 mL,dosage of Fe2+ is 30 mL,and stirring radiation time is 60 min.

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Key concepts: Wastewater, Chemistry, Reagent, Coal, Sewage treatment, Pulp and paper industry, Fenton's reagent, Waste management