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The bio-dopp process was used to treat papermaking midcourse wastewater. The CODcr, BOD5 and color removal rate were investigated through the self-made experimental system. The CODcr removal rate of reactor was higher than 90%, the BOD5 removal rate reached 96~99% as the BOD5 of effluent was less than 10 mg/L, the chroma of effluent reached 50 multiple. Moreover, the sludge concentration was about...
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