SA112330845B1 - عملية لتحضير حمض ميثاكريليك وإسترات حمض ميثاكريليك - Google Patents
عملية لتحضير حمض ميثاكريليك وإسترات حمض ميثاكريليك Download PDFInfo
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- SA112330845B1 SA112330845B1 SA112330845A SA112330845A SA112330845B1 SA 112330845 B1 SA112330845 B1 SA 112330845B1 SA 112330845 A SA112330845 A SA 112330845A SA 112330845 A SA112330845 A SA 112330845A SA 112330845 B1 SA112330845 B1 SA 112330845B1
- Authority
- SA
- Saudi Arabia
- Prior art keywords
- phase
- aqueous phase
- separation
- organic
- methacrylic acid
- Prior art date
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- 238000000034 method Methods 0.000 title claims abstract description 188
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 title claims abstract description 144
- 125000005397 methacrylic acid ester group Chemical group 0.000 title claims abstract description 12
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 93
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 70
- 230000003647 oxidation Effects 0.000 claims abstract description 68
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- 239000002904 solvent Substances 0.000 claims description 12
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- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 claims description 6
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D9/0004—Crystallisation cooling by heat exchange
- B01D9/0013—Crystallisation cooling by heat exchange by indirect heat exchange
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D9/0036—Crystallisation on to a bed of product crystals; Seeding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D9/004—Fractional crystallisation; Fractionating or rectifying columns
- B01D9/0045—Washing of crystals, e.g. in wash columns
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C1/00—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon
- C07C1/20—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon starting from organic compounds containing only oxygen atoms as heteroatoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
- C07C29/09—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by hydrolysis
- C07C29/10—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by hydrolysis of ethers, including cyclic ethers, e.g. oxiranes
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
- C07C51/43—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
- C07C51/43—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation
- C07C51/44—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation by distillation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
- C07C51/48—Separation; Purification; Stabilisation; Use of additives by liquid-liquid treatment
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/08—Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides with the hydroxy or O-metal group of organic compounds
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/48—Separation; Purification; Stabilisation; Use of additives
- C07C67/58—Separation; Purification; Stabilisation; Use of additives by liquid-liquid treatment
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2011/079774 WO2013037134A1 (en) | 2011-09-16 | 2011-09-16 | Process for preparation of methacrylic acid and methacrylic acid esters |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SA112330845B1 true SA112330845B1 (ar) | 2015-07-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SA112330845A SA112330845B1 (ar) | 2011-09-16 | 2012-09-15 | عملية لتحضير حمض ميثاكريليك وإسترات حمض ميثاكريليك |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JP6008969B2 (zh) |
| KR (1) | KR101877597B1 (zh) |
| CN (2) | CN103827071A (zh) |
| MY (1) | MY161504A (zh) |
| SA (1) | SA112330845B1 (zh) |
| SG (1) | SG2014012587A (zh) |
| TW (1) | TWI627161B (zh) |
| WO (1) | WO2013037134A1 (zh) |
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| KR20140064861A (ko) * | 2011-09-16 | 2014-05-28 | 에보니크 룀 게엠베하 | 메타크릴산 및 메타크릴산 에스테르의 제조 방법 |
| CN103796982B (zh) * | 2011-09-16 | 2015-10-14 | 赢创罗姆有限公司 | 甲基丙烯酸和甲基丙烯酸酯的制备方法 |
| WO2015012551A1 (ko) * | 2013-07-22 | 2015-01-29 | 주식회사 엘지화학 | (메트)아크릴산의 연속 회수 방법 및 장치 |
| KR101628287B1 (ko) * | 2013-07-22 | 2016-06-08 | 주식회사 엘지화학 | (메트)아크릴산의 연속 회수 방법 및 장치 |
| US9718756B2 (en) | 2013-07-23 | 2017-08-01 | Lg Chem, Ltd. | Method for continuously recovering (meth)acrylic acid and apparatus for the method |
| KR101601938B1 (ko) * | 2013-08-30 | 2016-03-09 | 주식회사 엘지화학 | (메트)아크릴산의 연속 회수 방법 및 회수 장치 |
| WO2024049105A1 (ko) * | 2022-08-30 | 2024-03-07 | 주식회사 엘지화학 | 고순도 (메트)아크릴산의 제조방법 |
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| JPS5148614A (ja) * | 1974-10-22 | 1976-04-26 | Japan Synthetic Rubber Co Ltd | Metakurirusannobunrikaishuho |
| JPS54115318A (en) * | 1978-02-28 | 1979-09-07 | Sumitomo Chem Co Ltd | Recovery of methacrylic acid |
| JPS54119412A (en) * | 1978-03-06 | 1979-09-17 | Mitsubishi Chem Ind Ltd | Purification of methacrylic acid |
| JPH03279344A (ja) * | 1990-03-27 | 1991-12-10 | Tosoh Corp | 酢酸廃水中の酢酸濃度低減方法 |
| DE19709392A1 (de) * | 1997-03-07 | 1998-09-10 | Basf Ag | Verfahren zur Extraktion von (Meth)acrylsäure |
| JP2002128728A (ja) * | 2000-10-19 | 2002-05-09 | Mitsubishi Rayon Co Ltd | メタクリル酸の精製方法 |
| JP2002193875A (ja) * | 2000-12-27 | 2002-07-10 | Mitsubishi Rayon Co Ltd | メタクリル酸の回収方法 |
| DE10242746B4 (de) * | 2002-09-13 | 2010-07-01 | Evonik Degussa Gmbh | Waschvorrichtung, ein Verfahren zur Aufreinigung eines Waschguts sowie die Verwendung der Waschvorrichtung |
| SI1995231T1 (sl) * | 2007-05-25 | 2014-03-31 | Evonik Roehm Gmbh | Postopek za pripravo metil metakrilata z uporabo recikliranega metanola |
| EP2085376B1 (en) * | 2008-01-30 | 2012-09-05 | Evonik Röhm GmbH | Process for preparation of high purity methacrylic acid |
| KR20140064861A (ko) * | 2011-09-16 | 2014-05-28 | 에보니크 룀 게엠베하 | 메타크릴산 및 메타크릴산 에스테르의 제조 방법 |
| CN103796982B (zh) * | 2011-09-16 | 2015-10-14 | 赢创罗姆有限公司 | 甲基丙烯酸和甲基丙烯酸酯的制备方法 |
-
2011
- 2011-09-16 JP JP2014530068A patent/JP6008969B2/ja active Active
- 2011-09-16 CN CN201180073459.9A patent/CN103827071A/zh active Pending
- 2011-09-16 CN CN201810206739.6A patent/CN108373409A/zh active Pending
- 2011-09-16 SG SG2014012587A patent/SG2014012587A/en unknown
- 2011-09-16 KR KR1020147006620A patent/KR101877597B1/ko active IP Right Grant
- 2011-09-16 WO PCT/CN2011/079774 patent/WO2013037134A1/en active Application Filing
- 2011-09-16 MY MYPI2014000746A patent/MY161504A/en unknown
-
2012
- 2012-09-12 TW TW101133297A patent/TWI627161B/zh not_active IP Right Cessation
- 2012-09-15 SA SA112330845A patent/SA112330845B1/ar unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CN103827071A (zh) | 2014-05-28 |
| WO2013037134A1 (en) | 2013-03-21 |
| KR20140060528A (ko) | 2014-05-20 |
| JP6008969B2 (ja) | 2016-10-19 |
| TW201329035A (zh) | 2013-07-16 |
| MY161504A (en) | 2017-04-14 |
| CN108373409A (zh) | 2018-08-07 |
| TWI627161B (zh) | 2018-06-21 |
| JP2014528935A (ja) | 2014-10-30 |
| SG2014012587A (en) | 2014-06-27 |
| KR101877597B1 (ko) | 2018-07-12 |
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