JPS55108825A - Separation and recovery of isobutene - Google Patents
Separation and recovery of isobuteneInfo
- Publication number
- JPS55108825A JPS55108825A JP1585979A JP1585979A JPS55108825A JP S55108825 A JPS55108825 A JP S55108825A JP 1585979 A JP1585979 A JP 1585979A JP 1585979 A JP1585979 A JP 1585979A JP S55108825 A JPS55108825 A JP S55108825A
- Authority
- JP
- Japan
- Prior art keywords
- isobutene
- pipe
- tba
- mixture
- distilled
- 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.)
- Pending
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Abstract
PURPOSE: To suppress the by-product formation and to obtain isobutene from a C4 mixture in high yield, by effecting hydration, dehydration, and decomposition in the liquid phase in the presence of an ion exchange resin catalyst, without requiring high temperature and pressure, to reduce the heat supply from the external source.
CONSTITUTION: An isobutene-containing hydrocarbon in fed from the pipe 2, into the reactor 1 comprising the strong acid cation exchange resin catalyst, and water (marked ×) is introduced from the pipe 3. After the continuous contact reaction at 50W150°C (or in many stages), the reaction mixture is separated in the stationary tank 7, and the hydrocarbon phase is distilled in the distillation column (1) to give tert-butanol (TBA) from the bottoms. The aqueous phase is then distilled in the column (2) to give the overhead TBA stream. The stream is dehydrated and decomposed in the closed pressure reactor 10 comprising the same resin, liquid mixture of circulated TBA, and water at 90W180°C and 1.5W10atm. The isobutene-containing gas is fed from the pipe 18 to the distillation column 3 to obtain isobutene continuously from the pipe 20.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1585979A JPS55108825A (en) | 1979-02-14 | 1979-02-14 | Separation and recovery of isobutene |
| DE19792913796 DE2913796A1 (en) | 1978-04-10 | 1979-04-05 | PROCESS FOR CONTINUOUS SEPARATION AND RECOVERY OF ISOBUTEN |
| FR7908963A FR2422613A1 (en) | 1978-04-10 | 1979-04-09 | PROCESS FOR THE SEPARATION AND RECOVERY OF ISOBUTENE |
| GB7912368A GB2022129B (en) | 1978-04-10 | 1979-04-09 | Process for the separation and recovery of isobutene |
| US06/043,186 US4208540A (en) | 1978-12-22 | 1979-05-29 | Process for separation and recovery of isobutene |
| CA328,716A CA1114844A (en) | 1978-12-22 | 1979-05-30 | Process for separation and recovery of isobutene |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1585979A JPS55108825A (en) | 1979-02-14 | 1979-02-14 | Separation and recovery of isobutene |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS55108825A true JPS55108825A (en) | 1980-08-21 |
Family
ID=11900518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1585979A Pending JPS55108825A (en) | 1978-04-10 | 1979-02-14 | Separation and recovery of isobutene |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS55108825A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010043122A (en) * | 2009-11-16 | 2010-02-25 | Mitsubishi Rayon Co Ltd | Method for producing alcohol |
-
1979
- 1979-02-14 JP JP1585979A patent/JPS55108825A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010043122A (en) * | 2009-11-16 | 2010-02-25 | Mitsubishi Rayon Co Ltd | Method for producing alcohol |
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