渗滤液回流对准好氧填埋产气过程影响研究  

RESEARCH ON THE EFFECT OF LEACHATE RECIRCULATION TECHNOLOGY ON GAS PRODUCTION BY SEMI-AEROBIC LANDFILL

作　　者：黄启飞[1] 刘玉强[1] 董路[1] 王琪[1] 刘国浔 

机构地区：[1]中国环境科学研究院固体废物污染控制技术研究所,北京100012 [2]江西省九江市浔阳区建设环境保护局,九江332000

出　　处：《环境工程》2005年第5期59-62,共4页Environmental Engineering

基　　金："十五"863国家计划课题(2001AA644010)

摘　　要：依据准好氧填埋的原理,构建了大型模拟填埋场。对准好氧填埋结构渗滤液回流情况下填埋气产气过程做了跟踪监测。定期测定填埋气中的组分浓度变化,结合填埋场渗滤液水质变化进行分析。结果表明准好氧填埋条件下进行渗滤液回流有利于减轻渗滤液的排放量且不会造成NH4+-N的累积。渗滤液回流可以加快甲烷的产气速度,渗滤液回流时的甲烷浓度约为不回流时的甲烷浓度的2倍。从而可加快垃圾的稳定化进程。A simulated large scale landfill was established according to the semi-aerobic landfilling theory.A tracer monitoring for the landfill gas concentration variation on the condition of leachate recycling as compared with that of the un-recycling in semi-aerobic landfill.The results shows that leachate recycling in semi-aerobic landfill reduces the amount of leachate, and does not cause the accumulation of NH+_4-N concentration.On the other hand, leachate recycling in semi-aerobic landfill can cause the velocity of methane production faster.The methane concentration in leachate recycling system doubled than the un-recycling one.So it does good to accelerate the stabilization of landfill.

关 键 词：准好氧填埋 渗滤液回流 城市固体废物 甲烷 填埋场渗滤液 产气过程 回流 甲烷浓度 跟踪监测 浓度变化 

分 类 号：X703[环境科学与工程—环境工程]