摘要
城市污水处理厂剩余污泥含有大量有机质和氮、磷等营养元素 ,是农业生产宝贵的肥源。将污泥制成有机复混肥可以使作物增产 ,并改善土壤结构。
There are a lot of organic mass and N and P nutrition in the excess sludge of municipal wastewater treatment plant,which can be used as fertilizer for the agriculture. To make the organic complex fertilizer of sludge could increase the crop yield, improve soil structure and improve the fertility of soil.
出处
《城市环境与城市生态》
CAS
CSSCI
CSCD
北大核心
2001年第1期9-11,共3页
Urban Environment & Urban Ecology
基金
北京市科委科研项目"城市污水厂污泥生产有机复混肥示范工程研究"课题! (95 165 0 5 0 0 )
关键词
污水处理
剩余污泥
好氧堆肥
有机复混肥
重金属
肥效
excess sludge
aerobic compost
organic complex fertilizer
heavy metal
fertilizer efficiency