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《Contemporary Chemical Industry》 2010-04
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Study on Treatment of Landfill Leachate by PAC Coagulation and Precipitation

LI Run-xuan,LI Hong-yan,WU Dan,SHI Wei-hua(Department of Chemistry,Hanshan Normal University,Guangdong Chaozhou 521041,China)  
Landfill leachate was treated by coagulation and precipitation.CODcr in effluent,electrical conductivity,decolorization and turbidity were chosen as index,treatment effects of different dosage PAC coagulant were investigated.The experimental results show that the bigger PAC coagulant dosage,the better treatment effect;the optimum dosage of PAC coagulant is 30 g/L.After landfill leachate is treated,CODCr removal rate reaches 36.45%,decolorization reaches 84.0%,and conductivity decreases from 1.55×104 S/cm to 0.94×104 S/cm,turbidity has fall in a extent,too.
【Fund】: 广东省潮州市科技局项目(2008S20)
【CateGory Index】: X703
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