摘要
制革工业在处理污水过程中产生大量的制革污泥,这些污泥含有大量的有机物、硫化物以及重金属铬等,属危险固体废物,处置不当,将对环境造成极大的污染。本文对海宁市目前的制革污泥处置方法,包括填埋、烘干、制砖以及目前正处于中试阶段的生物淋滤技术作一回顾总结,并提出今后制革污泥处置的研究方向。
A great deal of sludge classified as hazardous solid wastes, which contains mass of organic matter, sulfides and heavy metal Cr, etc., was produced during the process of tannery wastewater treatment. Inadequate disposal of tannery sludge will cause serious pollution to the environment. The present disposal ways of the tannery sludge in Haining city, including landfill, drying solidification, brickmaking and bioleaching techniques were reviewed in this paper, and finally, the trend and needs for future investigation were also discussed.
出处
《西部皮革》
2006年第12期31-36,共6页
West Leather
关键词
制革污泥
处置
探索
tannery sludge
disposal
investigation