污泥的卫生填埋 Sanitary landfill of sludge 这种处置方法简单、易行、成本低,污泥又不需要高度脱水,适应性强。但是污泥填埋也存在一些问题,尤指填埋渗滤液和气体的形成。渗滤液是一种被严重污染的液体,如果填埋场选址或运行不当会污染地下水环境。填埋场产生的气体主要是甲烷,若不采取适当措施会引起爆炸和燃烧。 This treatment method is simple, easy, low cost, sludge does not need high dehydration, and has strong adaptability. However, there are also some problems in sludge landfill, especially the