JPS6160061B2 - - Google Patents
Info
- Publication number
- JPS6160061B2 JPS6160061B2 JP4848278A JP4848278A JPS6160061B2 JP S6160061 B2 JPS6160061 B2 JP S6160061B2 JP 4848278 A JP4848278 A JP 4848278A JP 4848278 A JP4848278 A JP 4848278A JP S6160061 B2 JPS6160061 B2 JP S6160061B2
- Authority
- JP
- Japan
- Prior art keywords
- methacrylic acid
- methacrolein
- tower
- water vapor
- temperature
- 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
Links
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 claims description 53
- STNJBCKSHOAVAJ-UHFFFAOYSA-N Methacrolein Chemical compound CC(=C)C=O STNJBCKSHOAVAJ-UHFFFAOYSA-N 0.000 claims description 52
- 238000007254 oxidation reaction Methods 0.000 claims description 25
- 230000003647 oxidation Effects 0.000 claims description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 23
- 238000000034 method Methods 0.000 claims description 21
- 238000010521 absorption reaction Methods 0.000 claims description 15
- 239000011541 reaction mixture Substances 0.000 claims description 15
- 239000002904 solvent Substances 0.000 claims description 14
- 239000007789 gas Substances 0.000 claims description 11
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims description 8
- 229910001882 dioxygen Inorganic materials 0.000 claims description 8
- 239000000243 solution Substances 0.000 claims description 6
- 230000001590 oxidative effect Effects 0.000 claims description 3
- 239000007864 aqueous solution Substances 0.000 claims description 2
- 125000004432 carbon atom Chemical group C* 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 150000007933 aliphatic carboxylic acids Chemical class 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 description 18
- 238000000926 separation method Methods 0.000 description 11
- 230000003197 catalytic effect Effects 0.000 description 10
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 7
- 239000003054 catalyst Substances 0.000 description 7
- 229910052760 oxygen Inorganic materials 0.000 description 7
- 239000001301 oxygen Substances 0.000 description 7
- 239000012071 phase Substances 0.000 description 6
- 238000000746 purification Methods 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- VQTUBCCKSQIDNK-UHFFFAOYSA-N Isobutene Chemical group CC(C)=C VQTUBCCKSQIDNK-UHFFFAOYSA-N 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000012808 vapor phase Substances 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- DKGAVHZHDRPRBM-UHFFFAOYSA-N Tert-Butanol Chemical compound CC(C)(C)O DKGAVHZHDRPRBM-UHFFFAOYSA-N 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 150000001735 carboxylic acids Chemical class 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 125000005395 methacrylic acid group Chemical group 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000012495 reaction gas Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/16—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
- C07C51/21—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen
- C07C51/25—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of unsaturated compounds containing no six-membered aromatic ring
- C07C51/252—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of unsaturated compounds containing no six-membered aromatic ring of propene, butenes, acrolein or methacrolein
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4848278A JPS54141721A (en) | 1978-04-24 | 1978-04-24 | Preparation of methacrylic acid |
| GB7914215A GB2024201B (en) | 1978-04-24 | 1979-04-24 | Process for producing methacrylic acid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4848278A JPS54141721A (en) | 1978-04-24 | 1978-04-24 | Preparation of methacrylic acid |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS54141721A JPS54141721A (en) | 1979-11-05 |
| JPS6160061B2 true JPS6160061B2 (fr) | 1986-12-19 |
Family
ID=12804597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4848278A Granted JPS54141721A (en) | 1978-04-24 | 1978-04-24 | Preparation of methacrylic acid |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPS54141721A (fr) |
| GB (1) | GB2024201B (fr) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3721865A1 (de) * | 1987-07-02 | 1989-01-12 | Basf Ag | Verfahren zur herstellung von methacrylsaeure |
| JP2003238485A (ja) * | 2001-12-10 | 2003-08-27 | Nippon Shokubai Co Ltd | （メタ）アクリル酸の捕集方法および装置 |
| JP4682599B2 (ja) * | 2003-11-28 | 2011-05-11 | 三菱化学株式会社 | （メタ）アクロレイン又は（メタ）アクリル酸の捕集方法及び捕集装置 |
| AU2004293262A1 (en) | 2003-11-28 | 2005-06-09 | Mitsubishi Chemical Corporation | Method and apparatus for collecting (meth)acrolein or (meth)acrylic acid |
| US7799946B2 (en) * | 2007-02-14 | 2010-09-21 | Saudi Basic Industries Corporation | Process for separating methacrolein from methacrylic acid in a gas phase product from the partial oxidation of isobutene |
-
1978
- 1978-04-24 JP JP4848278A patent/JPS54141721A/ja active Granted
-
1979
- 1979-04-24 GB GB7914215A patent/GB2024201B/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS54141721A (en) | 1979-11-05 |
| GB2024201A (en) | 1980-01-09 |
| GB2024201B (en) | 1982-09-02 |
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