| 发明名称 |
PURIFICATION OF TETRAHYDROFURAN |
| 摘要 |
The amounts of methacrolein-, dihydrofuran-and aldehydic impurities in THF made from acetylene and formaldehyde can be significantly reduced by hydrogenating them during an interval in the multi-stage distillation THF refining procedure. |
| 申请公布号 |
DE3162097(D1) |
申请公布日期 |
1984.03.08 |
| 申请号 |
DE19813162097 |
申请日期 |
1981.05.22 |
| 申请人 |
E.I. DU PONT DE NEMOURS AND COMPANY |
发明人 |
COATES, JOHN STUART |
| 分类号 |
B01J21/00;C07B61/00;C07D307/08;(IPC1-7):C07D307/08 |
主分类号 |
B01J21/00 |
| 代理机构 |
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代理人 |
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| 地址 |
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