Leachate is the major environmental problem of landfill .
垃圾填埋场对环境的影响主要是垃圾渗滤液问题。
Research on leachate recirculation from different types of landfills .
来自不同类型地下回填的浸取液循环的研究。
Over time landfills can be removed , especially those in hot climates , so as to stop leachate contamination of potential groundwater sources and to stop landfill gasses being released to atmosphere where methane is23 times more harmful than carbon dioxide .
