垃圾渗滤液物化处理研究
Research on physical and chemical treatment of municipal solid waste landfill leachate
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摘要: 采用物化处理方法对垃圾渗滤液进行处理,反应时间为1h,进水的pH为7,出水的pH调至12,澄清后的pH调节到7~8,试验结果表明,COD的浓度从7452mg/L降低到67mg/L,去除率达到99.1%;TN的浓度从1055mg/L降低到 637mg/L,去除率达到40%;TP的浓度从13.2mg/L降低到未检出,去除率达到100%;色度从2048倍降低到1倍;除TN以外,COD、TP和色度均可达到国家规定的排放标准。Abstract: Municipal solid waste landfill leachate was treated by physical and chemical methods.The results showed that after one hour treating,COD was reduced from 7452mg/L to 67mg/L,TN was reduced from 1055mg/L to 637mg/L,TP was reduced from 13.2mg/L to zero and chroma was reduced from 2048 to 1,treatment rates were 99.1%,40%,100% and 100%,respectively.COD,TP and chroma reached the national discharge standards except TN.
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Key words:
- municipal solid waste landfill leachate /
- physical and chemical treatment /
- COD /
- TP /
- TN /
- chroma
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