A soil incubation experiment was conducted to investigate the effect of honeycomb briquette combustion residue(HBCR) amendment on the immobilization of heavy metals in calcareous and acid soils.The acid Chun'an soil(with elevated levels of Pb,Cd,Cu and Zn) and calcareous Jiyuan soil(with elevated levels of Pb and Cd) were amended with raw,sulfuric acid-,and hydrochloric acid-washed HBCR at 4%,respectively,and incubated for 60 d.Soil analysis indicated that amendment with all three HBCRs increased soil pH an...
1引言(Introduction)铅、锌冶炼可造成土壤重金属积累,一般情况下,这类冶炼企业附近土壤中主要的污染重金属是镉、铅和锌等(Zheng et al.,2007;甘国娟等,2013;Liet al.,2011).我国是世界上最大的铅生产国,铅矿开采和冶炼已经造成湖南、广东、贵州、云南及北方某些地区土壤重金?