淮南矿区煤矸石中微量元素的研究
Journal of China Coal Society(2008)
Abstract
通过对淮南矿区按煤层和岩性特征系统采样,运用INNA,ICP-MS分析煤矸石中微量元素、冷原子吸收法分析Hg、选择性电极法分析F、化学法分析常量元素,并研究经过科学筛选出的11种重金属元素:Cd,Cu,Ni,Sn,Hg,Mn,As,Cr,Pb,Zn和非金属元素F,初步探讨了这些元素对矿区环境的危害,其中Cd,Cu,Ni,Sn,Hg超过淮南土壤背景值、中国土壤背景值、世界土壤背景值等.Cd含量是淮南土壤的40倍、世界土壤的7倍;Cu含量是淮南土壤的约2倍、世界土壤约1.5倍;Ni含量是淮南土壤的8倍、世界土壤的4倍;Sn含量是淮南土壤的3倍、世界土壤约2倍;样品中Hg含量是淮南土壤的3 602倍、世界土壤的1 381倍,并指出这种危害是具累积性的.
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Key words
Huainan mining area,gangue,hazard,trace element,accumulation
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