不同钝化剂对污泥堆肥过程中重金属形态的影响研究  

Effect of Stabilitying Materials on Forms of Heavy Metals during Sludge Composting

作　　者：姚岚[1] 王成端[1] 

机构地区：[1]西南科技大学环境与资源学院,四川绵阳621010

出　　处：《环境卫生工程》2008年第2期8-10,共3页Environmental Sanitation Engineering

基　　金：四川省教育厅重点实验室项目(2006ZD035)

摘　　要：利用污泥和秸秆进行高温堆肥,研究粉煤灰、磷矿粉、沸石和草炭4种钝化剂对污泥堆肥中重金属(Cu、Zn、Pb、Cr)形态的影响。结果表明:堆肥过程中添加钝化剂可有效降低污泥中重金属有效态的含量,其中以粉煤灰的钝化效果最为显著。粉煤灰用于污泥堆肥不仅实现污泥的资源化,而且解决了粉煤灰的利用问题。The effect of four kinds of stabilitying materials including fly ash, phosphate rock, zeolite and peat on forms of heavy metals （Cu, Zn, Pb, Cr） was studied through thermophilie eomposting tests with sludge and straw. The results showed that content of heavy metals effective form in sludge was decreased by adding stabilitying materials, and the stabilitying effect of fly ash was prominent. Using fly ash in sludge eomposting was not only actualizing sludge resource, but also solving the problem of fly ash utilization.

关 键 词：污泥堆肥 重金属形态 钝化剂 

分 类 号：X703[环境科学与工程—环境工程]