发明名称 |
HEAP LEACHING OF NICKEL CONTAINING ORE |
摘要 |
A process is provided for heap leaching ore to recover nickel. The process is particularly effective for ores that have a tangible clay component (i.e., greater than 10 % by weight). The process includes sizing the ore (where necessary), forming pellets by contacting ore with a concentrated sulfuric acid lixiviant and agglomerating. The pellets are formed into a heap and leached with a sulfuric acid solution to extract the metal values, including nickel. The leachate may be subjected to a nickel recovery operation without the need for intermediate neutralization.
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申请公布号 |
CA2404003(C) |
申请公布日期 |
2013.08.13 |
申请号 |
CA20012404003 |
申请日期 |
2001.03.29 |
申请人 |
BHP MINERALS INTERNATIONAL INC. |
发明人 |
DUYVESTEYN, WILLEM P. C.;LIU, HOUYUAN;DAVIS, MICHAEL J. |
分类号 |
C22B23/00;C22B1/00;C22B1/14;C22B1/243;C22B3/04;C22B3/08 |
主分类号 |
C22B23/00 |
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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