Leachability of Arsenic and Heavy Metals from Mine Tailings of Abandoned Metal Mines

被引：75

作者：

Lim, Mihee ^{[1
]}

Han, Gi-Chun ^{[1
]}

Ahn, Ji-Whan ^{[1
]}

You, Kwang-Suk ^{[1
]}

Kim, Hyung-Seok ^{[1
]}

机构：

[1] Korea Inst Geosci & Mineral Resources KIGAM, Taejon 305350, South Korea

来源：

INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH | 2009年 / 6卷 / 11期

关键词：

mine tailings; abandoned mines; arsenic (As); heavy metals; sequential extraction; EPA method 6010; Toxicity Characteristic Leaching Procedure (TCLP); SOIL; COPPER; STABILIZATION; REMEDIATION; IMPOUNDMENT; SPECIATION; MOBILITY; REMOVAL; SUDBURY; IMPACT;

D O I：

10.3390/ijerph6112865

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Mine tailings from an abandoned metal mine in Korea contained high concentrations of arsenic (As) and heavy metals [e. g., As: 67,336, Fe: 137,180, Cu: 764, Pb: 3,572, and Zn: 12,420 (mg/kg)]. US EPA method 6010 was an effective method for analyzing total arsenic and heavy metals concentrations. Arsenic in the mine tailings showed a high residual fraction of 89% by a sequential extraction. In Toxicity Characteristic Leaching Procedure (TCLP) and Korean Standard Leaching Test (KSLT), leaching concentrations of arsenic and heavy metals were very low [e. g., As (mg/L): 0.4 for TCLP and 0.2 for KSLT; cf. As criteria (mg/L): 5.0 for TCLP and 1.5 for KSLT].

引用

页码：2865 / 2879

页数：15

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