| 发明名称 |
PROCESS FOR RECOVERING PYROCHLORE MINERAL CONTAINING NIOBIUM AND TANTALUM |
| 摘要 |
<p>Niobium and tantalum containing pyrochlore is recovered from high silicate gangue content ore with good selectivity and yield employing collectors of formula < IMG > (1) < IMG > (2) wherein R1, R2 and R3 are independently 8 to 16 carbon straight or branched chain alkyl groups, at pH 1.5 to 6.5.</p> |
| 申请公布号 |
CA1198835(A) |
申请公布日期 |
1985.12.31 |
| 申请号 |
CA19830436680 |
申请日期 |
1983.09.14 |
| 申请人 |
TECK CORPORATION;SOQUEM-SOCIETE QUEBECOISE D'EXPLORATION MINIERE |
发明人 |
BISS, RUDY |
| 分类号 |
B03B9/00;B03D1/001;B03D1/014;B03D1/02;(IPC1-7):B03D1/02 |
主分类号 |
B03B9/00 |
| 代理机构 |
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