发明名称 |
Alkaline and acid pressure oxidation of precious metal-containing materials |
摘要 |
The present invention is directed to a precious metal recovery process in which an acid sulfidic feed material is subjected to acid pressure oxidation and an alkaline sulfidic feed material is subjected to alkaline pressure oxidation, with the discharge slurries from the pressure oxidation processes being combined to reduce neutralization requirements prior to precious metal recovery. |
申请公布号 |
US8623115(B2) |
申请公布日期 |
2014.01.07 |
申请号 |
US201113301435 |
申请日期 |
2011.11.21 |
申请人 |
LANGHANS, JR. JOHN WILLIAM;CHUNG-YEH TSU WILSON;BARRICK GOLD CORPORATION |
发明人 |
LANGHANS, JR. JOHN WILLIAM;CHUNG-YEH TSU WILSON |
分类号 |
C22C5/02;C22C5/04 |
主分类号 |
C22C5/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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