JPS5643232A - Preparation of methyl tertiary-butyl ether - Google Patents
Preparation of methyl tertiary-butyl etherInfo
- Publication number
- JPS5643232A JPS5643232A JP11872379A JP11872379A JPS5643232A JP S5643232 A JPS5643232 A JP S5643232A JP 11872379 A JP11872379 A JP 11872379A JP 11872379 A JP11872379 A JP 11872379A JP S5643232 A JPS5643232 A JP S5643232A
- Authority
- JP
- Japan
- Prior art keywords
- methanol
- fraction
- mtbe
- isobutene
- line
- 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
Abstract
PURPOSE: To prepare the titled compound in high conversion and purity, from a isobutene-containing C4 fraction and methanol, by selecting the molar ratio of the raw materials, and the contents of the objective compound and methanol in the reaction within specific ranges.
CONSTITUTION: The reactor 6 is supplied with a C4 fraction through the line 1, methanol through the line 2, and side-cut from the middle part of the distillation column 7 through the line 3. The molar ratio of isobutene/methanol is adjusted to 0.5W1.5. The reaction is carried out keeping the conversion of isobutene to methyl t-butyl ether (MTBE) within the range of 40W99%, and maintaining the ratios of MTBE/methanol and methanol/C4-fraction in the liquid at the outlet of the reactor above the ratios in the corresponding azeotropic compositions. The outlet liquid is fed to the distillation column 7, and distilled under a pressure above atmospheric pressure at a reflux ratio of ≥0.3. The C4-fraction is obtaind from the top of the column, the MTBE from the bottom, and the side-cut composed of concentrated methanol, MTBE and the C4-fraction is extracted from the middle part of the column.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11872379A JPS5643232A (en) | 1979-09-18 | 1979-09-18 | Preparation of methyl tertiary-butyl ether |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11872379A JPS5643232A (en) | 1979-09-18 | 1979-09-18 | Preparation of methyl tertiary-butyl ether |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5643232A true JPS5643232A (en) | 1981-04-21 |
JPS6347696B2 JPS6347696B2 (en) | 1988-09-26 |
Family
ID=14743480
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11872379A Granted JPS5643232A (en) | 1979-09-18 | 1979-09-18 | Preparation of methyl tertiary-butyl ether |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5643232A (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS537607A (en) * | 1976-07-02 | 1978-01-24 | Huels Chemische Werke Ag | Method of producing purified methl tertiary butylethel |
-
1979
- 1979-09-18 JP JP11872379A patent/JPS5643232A/en active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS537607A (en) * | 1976-07-02 | 1978-01-24 | Huels Chemische Werke Ag | Method of producing purified methl tertiary butylethel |
Also Published As
Publication number | Publication date |
---|---|
JPS6347696B2 (en) | 1988-09-26 |
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