JP6008969B2 - メタクリル酸およびメタクリル酸エステルの製造方法 - Google Patents
メタクリル酸およびメタクリル酸エステルの製造方法 Download PDFInfo
- Publication number
- JP6008969B2 JP6008969B2 JP2014530068A JP2014530068A JP6008969B2 JP 6008969 B2 JP6008969 B2 JP 6008969B2 JP 2014530068 A JP2014530068 A JP 2014530068A JP 2014530068 A JP2014530068 A JP 2014530068A JP 6008969 B2 JP6008969 B2 JP 6008969B2
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- JP
- Japan
- Prior art keywords
- phase
- methacrylic acid
- aqueous phase
- unit
- process step
- 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.)
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- 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
- B01D9/004—Fractional crystallisation; Fractionating or rectifying columns
- B01D9/0045—Washing of crystals, e.g. in wash columns
-
- 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
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- 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
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- 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 (2)
Publication Number | Publication Date |
---|---|
JP2014528935A JP2014528935A (ja) | 2014-10-30 |
JP6008969B2 true JP6008969B2 (ja) | 2016-10-19 |
Family
ID=47882553
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2014530068A Active JP6008969B2 (ja) | 2011-09-16 | 2011-09-16 | メタクリル酸およびメタクリル酸エステルの製造方法 |
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) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6029669B2 (ja) * | 2011-09-16 | 2016-11-24 | エボニック レーム ゲゼルシャフト ミット ベシュレンクテル ハフツングEvonik Roehm GmbH | メタクリル酸およびメタクリル酸エステルの製造方法 |
WO2013037131A1 (en) * | 2011-09-16 | 2013-03-21 | Evonik Roehm Gmbh | Process for preparation of methacrylic acid and methacrylic acid ester |
KR101628287B1 (ko) * | 2013-07-22 | 2016-06-08 | 주식회사 엘지화학 | (메트)아크릴산의 연속 회수 방법 및 장치 |
WO2015012551A1 (ko) * | 2013-07-22 | 2015-01-29 | 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 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
JP6029669B2 (ja) * | 2011-09-16 | 2016-11-24 | エボニック レーム ゲゼルシャフト ミット ベシュレンクテル ハフツングEvonik Roehm GmbH | メタクリル酸およびメタクリル酸エステルの製造方法 |
WO2013037131A1 (en) * | 2011-09-16 | 2013-03-21 | Evonik Roehm Gmbh | Process for preparation of methacrylic acid and methacrylic acid ester |
-
2011
- 2011-09-16 KR KR1020147006620A patent/KR101877597B1/ko active IP Right Grant
- 2011-09-16 MY MYPI2014000746A patent/MY161504A/en unknown
- 2011-09-16 JP JP2014530068A patent/JP6008969B2/ja active Active
- 2011-09-16 SG SG2014012587A patent/SG2014012587A/en unknown
- 2011-09-16 WO PCT/CN2011/079774 patent/WO2013037134A1/en active Application Filing
- 2011-09-16 CN CN201180073459.9A patent/CN103827071A/zh active Pending
- 2011-09-16 CN CN201810206739.6A patent/CN108373409A/zh active Pending
-
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 |
---|---|
WO2013037134A1 (en) | 2013-03-21 |
KR101877597B1 (ko) | 2018-07-12 |
TW201329035A (zh) | 2013-07-16 |
KR20140060528A (ko) | 2014-05-20 |
CN103827071A (zh) | 2014-05-28 |
TWI627161B (zh) | 2018-06-21 |
JP2014528935A (ja) | 2014-10-30 |
MY161504A (en) | 2017-04-14 |
CN108373409A (zh) | 2018-08-07 |
SA112330845B1 (ar) | 2015-07-07 |
SG2014012587A (en) | 2014-06-27 |
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