JPS5646874A - Purification of butylene oxide - Google Patents
Purification of butylene oxideInfo
- Publication number
- JPS5646874A JPS5646874A JP12255679A JP12255679A JPS5646874A JP S5646874 A JPS5646874 A JP S5646874A JP 12255679 A JP12255679 A JP 12255679A JP 12255679 A JP12255679 A JP 12255679A JP S5646874 A JPS5646874 A JP S5646874A
- Authority
- JP
- Japan
- Prior art keywords
- column
- pipe
- butylene oxide
- water
- mixture
- 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.)
- Granted
Links
Landscapes
- Epoxy Compounds (AREA)
Abstract
PURPOSE: To purify butylene oxide, economically, by extracting the azeotropic mixture of water and butylene oxide from the middle stage of the first distillation column as side stream, cooling the azeotropic mixture to separate and remove water thereform, refluxing the mixture to the first distillation column, removing low-boiling components from the top of the column, and fractionating the component obtained from the bottom of the column.
CONSTITUTION: Crude butylene oxide is supplied through the pipe 11 to the middle stage of the first distillation column 12, and the azeotropic mixture of butylene oxide and water is extracted from the side stream stage of the column 12. The mixture is cooled with a cooler 14, and separated into two layers in a decanter 15. The oil layer is refluxed to the column 12 through the pipe 16, and the water layer is discharged from the system through the pipe 17. The low-boiling components in the supplied liquid is concentrated to the top stage of the column, and taken out of the system through the pipe 13. The component obtained from the bottom of the column is fed to the second distillation column 19 through the pipe 18, and fractionated. The high-boiling components are discharged from the bottm of the second column 19 through the pipe 21, and the purified butylene oxide is extracted from the top of the column 19 through the pipe 20. The purified butylene oxide can be obtained by this process, easily, economically, in high purity and yield.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12255679A JPS5924982B2 (en) | 1979-09-26 | 1979-09-26 | Purification method of butylene oxide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12255679A JPS5924982B2 (en) | 1979-09-26 | 1979-09-26 | Purification method of butylene oxide |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5646874A true JPS5646874A (en) | 1981-04-28 |
| JPS5924982B2 JPS5924982B2 (en) | 1984-06-13 |
Family
ID=14838804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12255679A Expired JPS5924982B2 (en) | 1979-09-26 | 1979-09-26 | Purification method of butylene oxide |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5924982B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113651778A (en) * | 2020-05-12 | 2021-11-16 | 中国石油化工股份有限公司 | Extraction agent pretreatment and supplement method |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7066849B2 (en) | 2017-11-30 | 2022-05-13 | 中国石油化工股▲ふん▼有限公司 | Production method and system of alkylene oxide |
| RU2760003C1 (en) | 2017-11-30 | 2021-11-22 | Чайна Петролиум энд Кемикал Корпорейшн | Method and system for synthesising alkylene oxide |
| CN109851581B (en) * | 2017-11-30 | 2021-06-18 | 中国石油化工股份有限公司 | Method for purifying butylene oxide |
| CN109851577B (en) * | 2017-11-30 | 2021-05-28 | 中国石油化工股份有限公司 | Method for purifying butylene oxide |
| CN109851580A (en) * | 2017-11-30 | 2019-06-07 | 中国石油化工股份有限公司 | The purification process of epoxy butane |
| CN109851586B (en) * | 2017-11-30 | 2021-05-28 | 中国石油化工股份有限公司 | Process for purifying propylene oxide |
| CN109851587B (en) * | 2017-11-30 | 2021-05-28 | 中国石油化工股份有限公司 | Method for producing butylene oxide |
-
1979
- 1979-09-26 JP JP12255679A patent/JPS5924982B2/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113651778A (en) * | 2020-05-12 | 2021-11-16 | 中国石油化工股份有限公司 | Extraction agent pretreatment and supplement method |
| CN113651778B (en) * | 2020-05-12 | 2023-06-06 | 中国石油化工股份有限公司 | Extraction agent pretreatment and replenishment method |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5924982B2 (en) | 1984-06-13 |
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