Stage leaching of a complex polymetallic sulfide concentrate: Focus on the extraction of Ag and Au
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- 作者：Bin Xu ; Yongbin Yang ; ybyangcsu@126.com" class="auth_mail" title="E-mail the corresponding author ; Qian Li ; Tao Jiang ; jiangtao@mail.csu.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Guanghui Li
- 关键词：Polymetallic sulfide concentrate ; Silver and gold ; Oxygen pressure leaching ; Thiosulfate leaching ; Nickel catalysis
- 刊名：Hydrometallurgy
- 出版年：2016
- 出版时间：January 2016
- 年：2016
- 卷：159
- 期：Complete
- 页码：87-94
- 全文大小：818 K
文摘
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Cu and Zn were efficiently extracted by oxygen pressure leaching with H2SO4.
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Pb was effectively extracted by carbonate transformation–silicofluoric acid leaching.
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Ag and Au were effectively extracted by nickel catalyzed thiosulfate leaching.
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This process neither released sulfur dioxide nor used cyanide.