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Influence of activated carbon on the COD removing efficiency of heavy metal wastewater in the SBR reactor

OU YANG Zi-min(Hefei Institute of Coal Industry Designing and Research,Hefei 230041,China)  
The influences of activated carbon on the COD removing efficiency of heavy metal wastewater in the SBR reactor were studied in this paper.The wastewater was prepared with glucose.The results show that the inhibition of heavy mental ions on the sludge activity can be eliminated by adding activated carbon in the SBR reactor.In this case,the removal efficiency of COD improved significantly.In addition,with an increase in the amount of activated carbon addition,COD removing efficiency increase.The optimum dosage of activated carbon is about 800~1200mg/L.
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