Effectiveness of cracker dust as a capping material for Pb-rich soil in the mining town of Broken Hill, Australia
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- 作者：Kai Yanga ; b ; kai.yang@sydney.edu.au" class="auth_mail" title="E-mail the corresponding author ; k.yang198707@gmail.com" class="auth_mail" title="E-mail the corresponding author ; Stephen R. Cattleb
- 关键词：Soil contamination ; Pb ; Spatial distribution ; Mine dust ; Remediation ; Cracker dust
- 刊名：Catena
- 出版年：2017
- 出版时间：January 2017
- 年：2017
- 卷：148
- 期：part_P1
- 页码：81-91
- 全文大小：1333 K
文摘
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Pb-free cracker dust has been installed on top of Pb-rich topsoil in Broken Hill.
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We investigated the efficacy of cracker dust in suppressing topsoil Pb.
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High Pb concentrations are found in natural soils near the Broken Hill orebody.
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Low Pb concentrations are found in most cracker dusted topsoils near the orebody.
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Pb-rich dust deposition has only a slight effect on the efficacy of cracker dust.