| 发明名称 |
Process for the separation of HF via azeotropic distillation. |
| 摘要 |
<p>Process for the separation of hydrogen fluoride (HF), 2,2-dichloro-1,1,1-trifluoroethane (FC-123), and/or 2-chloro-1,1,1,2-tetrafluoroethane (FC-124) from mixtures comprising them by controlling the molar ratio of HF/FC-123 in the mixture prior to subjecting the mixture to azeotropic distillation.</p> |
| 申请公布号 |
EP0354697(A1) |
申请公布日期 |
1990.02.14 |
| 申请号 |
EP19890307748 |
申请日期 |
1989.07.31 |
| 申请人 |
E.I. DU PONT DE NEMOURS AND COMPANY |
发明人 |
MANZER, LEO ERNEST;RAO, VELLIYUR NOTT MALLIKARJUNA;ROCKWELL, RICHARD T.;SISK, MICHAEL ANDREW;WARWAS, EDWIN JAMES;WINTERINGHAM, ROY |
| 分类号 |
B01D3/36;C01B7/19;C07C17/38;C07C17/383;C07C19/08 |
主分类号 |
B01D3/36 |
| 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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