Hydrolysis acidification-aerobic process-advanced waster treatment(Coagulating sedimenta-tion+Fenton oxidation process)was conducted to treat the pulp and papermaking wastewater,the best running parameters of the anaerobic reactor and the aerobic reactor has been identified,the differ-ent coagulatant agents and the best amount of coagulants added on the CODCr removal rate has been ex-amined,and Fenton reagen process were attempted to the effluent of Coagulation treatment.The results showed that after biochemical system,the removal efficiencies of CODCr is 72％,and after Coagulating sedimentation+adding flocculant PAM on the basis of Fenton oxidation process,the system effluent CODCr can be reduced to 100 mg/L.
pulp and papermaking wastewaterfenton reagentertiary treatment
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