生物垃圾处理过程中渗滤液混凝处理的实验研究  

Experimental study of coagulatant precipitation of Leachate from waste biological treatment process

作　　者：俞志敏[1] 金杰[1] 吴克[1] 蔡敬民[1] 

机构地区：[1]合肥学院生物与环境工程系,合肥230022

出　　处：《生物学杂志》2005年第6期25-28,共4页Journal of Biology

基　　金：安徽省自然科学基金项目(050450304);安徽省教育厅自然科学研究项目(2005kj192);安徽省科技厅国际合作项目(05088015);合肥学院科研发展基金计划项目(05ky001zr)

摘　　要：通过对混凝剂(PAS)用量、酸度、温度对垃圾处理过程中渗滤液混凝效果影响的研究,结果表明:用聚合硫酸铝进行混凝处理时,对渗滤液的氨氮处理效果不佳,对CODcr和浊度处理效果甚佳。根据三因素三水平的正交实验,得出处理过程中三个因素对CODcr去除率影响的主次关系为:pH>聚合硫酸铝的用量>温度。验证试验结果表明:混凝剂加入量15mL(10%)、pH为6.7、温度为50℃时为最优化工艺条件,CODcr去除率达到76.2%。The effects of the factors like dosage of coagulatant-floccculation agent(PAS),acidity and temperature on the treatment of Leachate from biological process were studied.The result showed that removed effect of COD_(cr) and turbidity were better than that of N-NH_3 of eluate.According to the result of orthogonal experiment,the effect of the three factors on the removal of COD_(CR) was acidity>PAS>temperature.The optimum condition was obtained.The result showed that the maximum COD_(CR) removal was up to 76.2%,and the optimal technology was that when treated.the concentration of coagulatant-flocculation agent 15ml(10%),pH6.7,at 50℃.

关 键 词：垃圾渗滤液 混凝沉淀法 单因素试验 正交试验 

分 类 号：X705[环境科学与工程—环境工程]