JPS54141719A - Preparation of methacrylic acid - Google Patents
Preparation of methacrylic acidInfo
- Publication number
- JPS54141719A JPS54141719A JP4740478A JP4740478A JPS54141719A JP S54141719 A JPS54141719 A JP S54141719A JP 4740478 A JP4740478 A JP 4740478A JP 4740478 A JP4740478 A JP 4740478A JP S54141719 A JPS54141719 A JP S54141719A
- Authority
- JP
- Japan
- Prior art keywords
- oxidation
- methacrylic acid
- separation
- methacrolein
- reactor
- 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
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 title abstract 5
- 238000007254 oxidation reaction Methods 0.000 abstract 6
- STNJBCKSHOAVAJ-UHFFFAOYSA-N Methacrolein Chemical compound CC(=C)C=O STNJBCKSHOAVAJ-UHFFFAOYSA-N 0.000 abstract 5
- 230000003647 oxidation Effects 0.000 abstract 5
- 238000000926 separation method Methods 0.000 abstract 5
- 239000002904 solvent Substances 0.000 abstract 3
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 abstract 2
- 229910001882 dioxygen Inorganic materials 0.000 abstract 2
- 239000000203 mixture Substances 0.000 abstract 2
- 238000010521 absorption reaction Methods 0.000 abstract 1
- 150000007933 aliphatic carboxylic acids Chemical class 0.000 abstract 1
- 239000007864 aqueous solution Substances 0.000 abstract 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract 1
- 239000007795 chemical reaction product Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 229910052760 oxygen Inorganic materials 0.000 abstract 1
- 239000001301 oxygen Substances 0.000 abstract 1
- 239000000047 product Substances 0.000 abstract 1
- 238000000746 purification Methods 0.000 abstract 1
- 238000011084 recovery Methods 0.000 abstract 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4740478A JPS54141719A (en) | 1978-04-21 | 1978-04-21 | Preparation of methacrylic acid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4740478A JPS54141719A (en) | 1978-04-21 | 1978-04-21 | Preparation of methacrylic acid |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS54141719A true JPS54141719A (en) | 1979-11-05 |
| JPS638094B2 JPS638094B2 (enrdf_load_stackoverflow) | 1988-02-19 |
Family
ID=12774170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4740478A Granted JPS54141719A (en) | 1978-04-21 | 1978-04-21 | Preparation of methacrylic acid |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS54141719A (enrdf_load_stackoverflow) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5625219A (en) * | 1979-08-08 | 1981-03-11 | Matsushita Electric Ind Co Ltd | Manufacture of magnetic head |
-
1978
- 1978-04-21 JP JP4740478A patent/JPS54141719A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5625219A (en) * | 1979-08-08 | 1981-03-11 | Matsushita Electric Ind Co Ltd | Manufacture of magnetic head |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS638094B2 (enrdf_load_stackoverflow) | 1988-02-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS51115414A (en) | Process for preparation of unsaturated fatty acids | |
| JPS5295609A (en) | Preparation of methacrylic acid | |
| IE42680L (en) | Process for the preparation of propylene oxide | |
| JPS5452027A (en) | Separation of methacrolein and methacrylic acid | |
| MY131542A (en) | Vapor phase oxidation of acrolein to acrylic acid | |
| JPS54141719A (en) | Preparation of methacrylic acid | |
| JPS54141721A (en) | Preparation of methacrylic acid | |
| JPS5315314A (en) | Production of acrylic acid by catalytic vapor phase oxidation of propylene | |
| JPS543006A (en) | Preparation of peracetic acid solution | |
| JPS57109775A (en) | Manufacture of phthalic acid anhydride | |
| JPS5679634A (en) | Separation of methacrylic acid | |
| JPS51136595A (en) | Method of clarifing exhaust gas of dry type | |
| JPS557213A (en) | Separation of isobutylene from mixed butylene | |
| JPS5223019A (en) | Process for preparation of -beta hydroxyalkylacrylate of -beta hydroxyalkylmethacrylate | |
| JPS57136547A (en) | Preparation of terephthalic acid for direct polymerization | |
| JPS5692831A (en) | Recovering method of by-product acetic acid in preparation of methacrylic acid | |
| JPS5251317A (en) | Process for preparation of methacrylic acid | |
| JPS57142930A (en) | Recovering method of ethylene glycol | |
| JPS54103817A (en) | Continuous production of oxalic ester | |
| JPS532445A (en) | Treatment of liquid phase oxidation reaction residue | |
| JPS5251316A (en) | Process for preparation of methacrylic acid | |
| JPS565437A (en) | Recovery of monobutadienyl acetate | |
| JPS565438A (en) | Recovery of monobutadienyl acetate | |
| JPS56118035A (en) | Treating method of gas containing formaldehyde | |
| JPS53144515A (en) | Recovery of methacrolein |