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Taking the raw water of Yangtze Chenghang Reservoir as the research object, the organics removal efficiency and controlling effect of DBPs by potassium permanganate pre-oxidation were investigated. The results showed that the concentration of CODMn was 1.1∼1.5mg/L in sedimentation effluent; when potassium permanganate dosage was 1.0mg/L, the average removal rate of UV254 can reach 40%, average UV254...
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