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Fenton法深度处理垃圾渗滤液的试验

Keywords: Fenton试剂,垃圾渗滤液,去除率

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Abstract:

对六里屯垃圾填埋场小试采用UASB处理垃圾渗滤液,处理后ρ_(COD)为2350~2600mg/L、ρ_(NH_4~+)-N约为1300mg/L,存在可生化性差、C/N低等问题。在进一步生化处理前还需要物化处理.试验采用Fenton试剂氧化然后用化学试剂进行混凝处理,考察不同投加条件下的去除效果.试验结果表明,Fenton试剂氧化法与化学沉淀法联合使用对去除垃圾渗滤液中的浊度、COD和NH_4~+-N有明显的效果.当c_(Fe)~(2+)=0.03mol/L,c_(H_2O_2)=0.09mol/L,ρ_(PAC)=800mg/L,ρ_(KP1207B)=10mg/L时,总体去除效果较好,三者去除率分别为62%、54%、35%.

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