发明名称 |
Process for the removal of from oxide coatings iron zirconiferous material |
摘要 |
A process is disclosed for the removal of iron oxide coatings from zirconiferous material including a first step of heat treating the zirconiferous material at a temperature, not greater than 450 DEG C. and for a period sufficient to activate the coatings for enhanced ease of removal. The product of the first step is thereafter subjected to a leach and/or attritioning treatment.
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申请公布号 |
US5637281(A) |
申请公布日期 |
1997.06.10 |
申请号 |
US19950398593 |
申请日期 |
1995.03.03 |
申请人 |
RGC MINERAL SANDS, LTD. |
发明人 |
MAYES, KEITH P.;SELBY, DOUGLAS W.;GILMAN, STEVEN K. |
分类号 |
C01B33/20;C22B34/14;(IPC1-7):C01G25/00;C01G49/00 |
主分类号 |
C01B33/20 |
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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