| 发明名称 |
PURIFICATION OF 1,4-BUTANEDIOL |
| 摘要 |
<p>Substantially pure 1,4-butanediol is recovered as a side stream with very low water content by vacuum distillation with water and low boiling impurities taken off overhead and high boiling organic tars and inorganic salts taken off in a liquid bottoms stream.</p> |
| 申请公布号 |
CA1040130(A) |
申请公布日期 |
1978.10.10 |
| 申请号 |
CA19740212365 |
申请日期 |
1974.10.28 |
| 申请人 |
E.I. DU PONT DE NEMOURS AND COMPANY |
发明人 |
CHOW, SIDNEY H.H.;VERBSKY, JAMES D. |
| 分类号 |
B01D3/10;(IPC1-7):01D3/10 |
主分类号 |
B01D3/10 |
| 代理机构 |
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代理人 |
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| 地址 |
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