JPH0425257B2 - - Google Patents
Info
- Publication number
- JPH0425257B2 JPH0425257B2 JP58025274A JP2527483A JPH0425257B2 JP H0425257 B2 JPH0425257 B2 JP H0425257B2 JP 58025274 A JP58025274 A JP 58025274A JP 2527483 A JP2527483 A JP 2527483A JP H0425257 B2 JPH0425257 B2 JP H0425257B2
- Authority
- JP
- Japan
- Prior art keywords
- methyl acetate
- distillation
- column
- methanol
- water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 78
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 claims description 30
- KXKVLQRXCPHEJC-UHFFFAOYSA-N acetic acid trimethyl ester Natural products COC(C)=O KXKVLQRXCPHEJC-UHFFFAOYSA-N 0.000 claims description 30
- 238000004821 distillation Methods 0.000 claims description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 26
- 239000000203 mixture Substances 0.000 claims description 18
- 238000000926 separation method Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 description 14
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 9
- 239000007788 liquid Substances 0.000 description 8
- 239000006227 byproduct Substances 0.000 description 5
- 229920002689 polyvinyl acetate Polymers 0.000 description 5
- 239000011118 polyvinyl acetate Substances 0.000 description 5
- 238000010992 reflux Methods 0.000 description 5
- 238000007127 saponification reaction Methods 0.000 description 5
- 238000005292 vacuum distillation Methods 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000012046 mixed solvent Substances 0.000 description 3
- 239000004372 Polyvinyl alcohol Substances 0.000 description 2
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical group CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 229920002451 polyvinyl alcohol Polymers 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000011552 falling film Substances 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 239000012452 mother liquor Substances 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000035899 viability Effects 0.000 description 1
- 239000010888 waste organic solvent Substances 0.000 description 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2527483A JPS59152336A (ja) | 1983-02-16 | 1983-02-16 | 酢酸メチル・メタノ−ル混合液の分離方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2527483A JPS59152336A (ja) | 1983-02-16 | 1983-02-16 | 酢酸メチル・メタノ−ル混合液の分離方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59152336A JPS59152336A (ja) | 1984-08-31 |
| JPH0425257B2 true JPH0425257B2 (fr) | 1992-04-30 |
Family
ID=12161441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2527483A Granted JPS59152336A (ja) | 1983-02-16 | 1983-02-16 | 酢酸メチル・メタノ−ル混合液の分離方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59152336A (fr) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3686157B2 (ja) * | 1996-03-29 | 2005-08-24 | 株式会社クラレ | 溶液の処理方法 |
| US7115772B2 (en) * | 2002-01-11 | 2006-10-03 | Celanese International Corporation | Integrated process for producing carbonylation acetic acid, acetic anhydride, or coproduction of each from a methyl acetate by-product stream |
| CN104418734B (zh) * | 2013-08-22 | 2016-05-18 | 中国石油化工股份有限公司 | 从对苯二甲酸工业生产的副产中直接提取高纯度醋酸甲酯的方法 |
| CN110041197A (zh) * | 2019-04-28 | 2019-07-23 | 青岛科技大学 | 一种完全热耦合萃取精馏分离乙酸乙酯-乙醇-水混合物的方法 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5028938A (fr) * | 1973-07-16 | 1975-03-24 |
-
1983
- 1983-02-16 JP JP2527483A patent/JPS59152336A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5028938A (fr) * | 1973-07-16 | 1975-03-24 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59152336A (ja) | 1984-08-31 |
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