| 发明名称 |
AMMONIA EXTRACTION OF GOLD AND SILVER FROM ORES AND OTHER MATERIALS |
| 摘要 |
Gold and silver are extracted from their elemental state or from complex ores and alloys by leaching them with a solution containing ammonia, ammonium salts and one or more oxidants. The process is particularly effective for refractory gold ores including sulfide and carbonaceous ores.
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| 申请公布号 |
CA2063694(A1) |
申请公布日期 |
1993.09.21 |
| 申请号 |
CA19922063694 |
申请日期 |
1992.03.20 |
| 申请人 |
SOUTH DAKOTA SCHOOL OF MINES & TECHNOLOGY |
发明人 |
HAN, KENNETH N.;MENG, XINGHUI |
| 分类号 |
B01D11/02;C01G3/14;C01G7/00;C22B3/14;C22B11/00;(IPC1-7):C22B3/14 |
主分类号 |
B01D11/02 |
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