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个人信息Personal Information
教授
博士生导师
硕士生导师
性别：男
毕业院校：埼玉大学
学位：博士
所在单位：材料科学与工程学院
学科：材料学. 材料加工工程
办公地点：材料馆304室
联系方式：辽宁省大连市甘井子区凌工路2号 大连理工大学 材料科学与工程学院 116024 办公电话0411-84708189 手机13149898722
电子邮箱：minxiaohua@dlut.edu.cn
Leaching behaviour and environmental risk assessment of heavy metals from electronic solder in acidified soil
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论文类型：期刊论文
发表时间：2015-11-01
发表刊物：ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
收录刊物：SCIE、PubMed、Scopus
卷号：22
期号：22
页面范围：17683-17690
ISSN号：0944-1344
关键字：Electronic solder; ICP-MS; Acidified soil; Leaching
摘要：The leaching behaviour of Sn and Pb elements from eutectic SnPb solder of electronic waste in acidic soil was investigated through acidification with HCl-H2SO4 solution and compared with saline solution. The amounts of Sn and Pb elements leached, when subjected to acidic soil, are higher than those with saline soil. Evidence for the significantly preferential release of Sn into the leachate is provided; the galvanic couple accelerated such preferential release. Surface product analysis reveals the slight damage of SnPb in saline soil. Serious dissolution due to electrochemical reaction and a thick, porous PbSO4 surface layer are observed in acidified soil, suggesting more severe toxicity potential of Pb in soil rather than in water.