准好氧填埋渗滤液水质与COD降解拟合研究  

Leachate Quality of Semi-aerobic Landfill and Fitting of COD Degradation

作　　者：查坤[1] 刘丹[1] 刘建[1] 

机构地区：[1]西南交通大学环境科学与工程学院,四川成都610031

出　　处：《环境科学与技术》2009年第10期38-41,共4页Environmental Science & Technology

基　　金：铁道部科技研究开发项目(2003Z004)

摘　　要：在成都市长安垃圾填埋场内开展了规模为10m×10m×5m的准好氧填埋实验,分别对渗滤液pH值、COD和NH4+-N进行了研究,结果表明:渗滤液COD经过697d后从最初的65324mg/L降低到2013mg/L,下降96.92%;由于渗滤液收集管直径较小,进入垃圾体的氧气量受到限制,所以NH4+-N的降解效果较差。通过Excel和Lingo软件对渗滤液COD的降解趋势进行拟合,结果表明Lingo拟合的效果更佳。A large scale semi-aerobic landfill set with 10m×10m×5m was constructed at Chang＇an Landfill in Chengdu City, Sichuan Province to study the characteristics of leachate quality. Results showed that after 697days, the concentration of COD dropped from 65324mg/L to 2013mg/L, which reduced by 96.92%. Degradation rate of ammonia nitrogen was low, for the diameter of collection pipe was too small for oxygen entrancing into the landfill. Based on the experimental data, the trend of COD was fitted by Excel and Lingo with a result that Lingo was more effective.

关 键 词：准好氧 渗滤液 拟合 优化 

分 类 号：X703[环境科学与工程—环境工程]