| 发明名称 |
Enhancement of gold lixiviation using nitrogen and sulfur heterocyclic aromatic compounds |
| 摘要 |
An improved process for dissolving gold metal in ligand and oxidant lixiviation systems, wherein the solubility of gold is enhanced by the addition of heterocyclic aromatic compounds containing nitrogen or sulfur in the ring.
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| 申请公布号 |
US5484470(A) |
申请公布日期 |
1996.01.16 |
| 申请号 |
US19940281966 |
申请日期 |
1994.07.28 |
| 申请人 |
E. I. DU PONT DE NEMOURS AND COMPANY |
发明人 |
KRISTJANSDOTTIR, SIGRIDUR S.;THOMPSON, JEFFERY S. |
| 分类号 |
C01G7/00;C22B3/16;C22B11/06;C22B11/08;(IPC1-7):C22B11/08 |
主分类号 |
C01G7/00 |
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