赤泥对砷污染的调控研究进展  

Review on the application of bauxite residue on As contamination remediation

作　　者：吴川[1] 黄柳[1] 薛生国[1] 邹奇[1] 史力争 

机构地区：[1]中南大学冶金与环境学院,长沙410083

出　　处：《环境化学》2016年第1期141-149,共9页Environmental Chemistry

基　　金：湖南省自然科学基金(2015JJ3142);国家自然科学基金(41371475)资助~~

摘　　要：赤泥是氧化铝工业生产过程中产生的高碱性废弃物,综合利用难度大,外排赤泥以堆存为主,赤泥堆场的环境安全问题正严重威胁氧化铝工业的可持续发展.赤泥资源化利用是当前环境科学与工程领域的研究热点,在Pb、Cd、Zn等重金属污染环境治理领域已有较多研究,但在As污染环境治理方面的应用研究相对较少.本文在分析赤泥对As的钝化作用(吸附作用和沉淀作用)及影响因素(p H、共存离子、Eh、土壤质地等)的基础上,综述了国内外赤泥在水体和土壤As污染治理方面的研究成果,探讨了赤泥在环境修复过程中存在的环境风险,提出了赤泥在As污染环境治理研究方面应关注的问题以及未来的重点研究方向.Bauxite residue（ Red mud） is an alkaline waste byproduct generated by the extraction of alumina from bauxite. Disposal and storage of the vast amounts of bauxite residue are an increasing environmental problem. The appropriate management of bauxite residue is receiving a global concern following the utilization of bauxite residue for environmental materials. There are numerous studies on the contamination remediation of Pb,Cd,Zn and other heavy metal by bauxite residues but fewer studies on the application of bauxite residue on As contamination. The mechanisms and influence factors in the application of bauxite residue on As contamination remediation were discussed. The research progress in recent years on the application of bauxite residue on As contaminated wastewater and soil was summarized. The environment risk in the application of bauxite residue on As contamination was analyzed. In addition,the problems in the process of bauxite residue application on As contamination were analyzed and the development trend of future studies was put forward.

关 键 词：赤泥 砷(As) 土壤污染 钝化作用 环境修复 

分 类 号：X758[环境科学与工程—环境工程] X506