| 发明名称 |
METHOD OF METHYLACETATE SEPARATION FROM ITS MIXTURES WITH METHANOL |
| 摘要 |
The invention concerns a method of separating of methyl acetate from its mixtures with methanol by extractive distillation, using 1,2 propylene glycol as an extractive solvent, whereas the distillate is methyl acetate and the distillation residue, 1,2-propandiol and methanol, re-circulated back to the extractive distillation.
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| 申请公布号 |
CS273000(B1) |
申请公布日期 |
1991.02.12 |
| 申请号 |
CS19880003138 |
申请日期 |
1988.05.10 |
| 申请人 |
SVOBODA JOZEF ING. CSC.,CS;HARCEG STANISLAV ING.,CS;TUNEGA JOZEF ING.,CS |
发明人 |
SVOBODA JOZEF ING. CSC.,CS;HARCEG STANISLAV ING.,CS;TUNEGA JOZEF ING.,CS |
| 分类号 |
C07C69/14;(IPC1-7):C07C69/14 |
主分类号 |
C07C69/14 |
| 代理机构 |
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