High levels of antimony in dust from e-waste recycling in southeastern China

被引：47

作者：

Bi, Xiangyang ^{[1
,2
]}

Li, Zhonggen ^{[3
]}

Zhuang, Xiaochun ^{[4
]}

Han, Zhixuan ^{[1
,2
]}

Yang, Wenlin ^{[1
]}

机构：

[1] China Univ Geosci, Fac Earth Sci, Wuhan 430074, Peoples R China

[2] China Univ Geosci, State Key Lab Biogeol & Environm Geol, Wuhan 430074, Peoples R China

[3] Chinese Acad Sci, Inst Geochem, State Key Lab Environm Geochem, Guiyang 550002, Peoples R China

[4] China Univ Geosci, Fac Mat Sci & Chem Engn, Wuhan 430074, Peoples R China

来源：

SCIENCE OF THE TOTAL ENVIRONMENT | 2011年 / 409卷 / 23期

关键词：

Antimony; Arsenic; Dust; E-waste; Sb/As ratio; CONTAMINATION; POLLUTION; ELEMENTS; MINE; AREA;

D O I：

10.1016/j.scitotenv.2011.08.009

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Environmental contamination due to uncontrolled e-waste recycling is an emerging global issue. Antimony (Sb) is a toxic element used in semiconductor components and flame retardants for circuit board within electronic equipment. When e-waste is recycled, Sb is released and contaminates the surrounding environment; however, few studies have characterized the extent of this problem. In this study, we investigated Sb and arsenic (As) distributions in indoor dust from 13 e-waste recycling villages in Guiyu, Guangdong Province, southeastern China. Results revealed significantly elevated concentrations of Sb (6.1-232 mg/kg) in dust within all villages, which were 3.9-147 times higher than those from the non e-waste sites, indicating e-waste recycling was an important source of Sb pollution. On the contrary. As concentrations (5.4-17.7 mg/kg) in e-waste dusts were similar to reference values from the control sites. Therefore, dusts emitted from e-waste recycling may be characterized by high Sb/As ratios, which may help identify the contamination due to the e-waste recycling activities. (C) 2011 Elsevier B.V. All rights reserved.

引用

页码：5126 / 5128

页数：3

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