Stage leaching of a complex polymetallic sulfide concentrate: Focus on the extraction of Ag and Au

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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

•: Cu and Zn were efficiently extracted by oxygen pressure leaching with H₂SO₄.
•: Pb was effectively extracted by carbonate transformation–silicofluoric acid leaching.
•: Ag and Au were effectively extracted by nickel catalyzed thiosulfate leaching.
•: This process neither released sulfur dioxide nor used cyanide.

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