摘要
本文通过纯水浸提煤炭中的重金属,模拟自然降水或人工喷淋对港区存放的煤炭淋溶作用,结果显示浸出液的pH略呈下降趋势,而Cu、Zn、Pb、Cd的含量全部在μg/L级别,远远小于《危险废物鉴别标准浸出毒性鉴别》GB5085.3-2007的标准限值,说明大量水浸情况下,浸出液对周遭环境危害较小,不足以按照危险废物处理。
Based on the pure water leaching of heavy metals in coal, imitating outdoor coal eluviated by nat- ural rainfall or artificial spray. The results show that the leaching liquid pH was slightly declining, and Cu, Zinc, Pb, Cd were in μg/L level, far less than the hazardous waste identification standard of GB5085.3- 2007. It suggests that leaching liquid was less harmful to environment when coal was immersed by big amount of water.
出处
《交通节能与环保》
2014年第4期31-33,共3页
Transport Energy Conservation & Environmental Protection
关键词
浸出液
PH
重金属
leaching liquid
pH
heavy metal
