生活垃圾堆放场土壤重金属污染特征的分析

Analysis of soil heavy metal pollution characteristics in domestic waste dumping site

随着社会的快速发展,土壤重金属污染问题受到社会的广泛关注。我国一直以来主要采用填埋方式进行生活垃圾的处理,但是在一些比较落后的小城镇和农村地区,由于垃圾处理配套设施不够完善,存在着生活垃圾直接裸露堆放的现象。垃圾渗滤液是一种有机废水,成分比较复杂,其中重金属离子、有机物和氨氮含量较高,对周围土壤造成严重污染。本文以某城镇生活垃圾堆放场为研究对象,探讨周边地区的土壤重金属污染特征。

With the rapid development of society,the problem of heavy metal pollution in soil has attracted widespread attention from society.My country has always mainly used landfi lls for the disposal of domestic waste.However,in some relatively backward small towns and rural areas,due to insuffi cient waste disposal measures,there is a phenomenon that domestic waste is directly piled up.Landfi ll leachate is a kind of organic waste water with complex composition.The content of heavy metal ions,organic matter and ammonia nitrogen is high,which causes serious pollution to the surrounding soil.This paper takes a domestic garbage dump in a certain town as the research object,and explores the characteristics of heavy metal pollution in the soil in the surrounding area.