| 发明名称 |
PROCESS FOR THE REMOVAL OF ARSENIC COMPOUNDS FROM TUNGSTEN OR MOLYBDENUM CONCENTRATES |
| 摘要 |
<p>A PROCESS FOR THE REMOVAL OF ARSENIC COMPOUNDS FROM TUNGSTEN OR MOLYBDENUM CONCENTRATES A process for the removal of arsenic compounds from tungsten and/or molybdenum concentrates by selective extraction, characterized in that the concentrates are extracted with an aqueous solution of a ferric compound at a PH below 2.5 and a temperature of at least 60.degree.C.</p> |
| 申请公布号 |
CA1180190(A) |
申请公布日期 |
1985.01.01 |
| 申请号 |
CA19820394540 |
申请日期 |
1982.01.20 |
| 申请人 |
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V. |
发明人 |
VAN 'T SANT, JAN P.;NIEUWHOF, ARJEN |
| 分类号 |
C22B30/04;C22B34/34;C22B34/36;(IPC1-7):C22B34/34 |
主分类号 |
C22B30/04 |
| 代理机构 |
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