| 发明名称 |
Recovery of AlF3 from spent potliner |
| 摘要 |
A method of recovering AlF3 from spent potliner using an acid digest to form gaseous HF which is converted to hydrofluoric acid and reacted with alumina trihydrate to form AlF3.
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| 申请公布号 |
US6187275(B1) |
申请公布日期 |
2001.02.13 |
| 申请号 |
US19980201197 |
申请日期 |
1998.11.30 |
| 申请人 |
GOLDENDALE ALUMINUM COMPANY |
发明人 |
BARNETT ROBERT J.;MEZNER MICHAEL B. |
| 分类号 |
C01B7/19;C01C1/244;C01F5/22;C01F7/14;C01F7/50;C01F7/56;C01F11/24;C01F11/46;C03C1/00;C04B7/24;C04B18/04;C04B35/185;C04B35/622;C22B21/00;(IPC1-7):C01F7/00;C01C3/00;C01B9/00 |
主分类号 |
C01B7/19 |
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代理人 |
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