SG2014012637A - Process for preparation of methacrylic acid and methacrylic acid ester - Google Patents
Process for preparation of methacrylic acid and methacrylic acid esterInfo
- Publication number
- SG2014012637A SG2014012637A SG2014012637A SG2014012637A SG2014012637A SG 2014012637 A SG2014012637 A SG 2014012637A SG 2014012637 A SG2014012637 A SG 2014012637A SG 2014012637 A SG2014012637 A SG 2014012637A SG 2014012637 A SG2014012637 A SG 2014012637A
- Authority
- SG
- Singapore
- Prior art keywords
- methacrylic acid
- preparation
- acid ester
- ester
- methacrylic
- Prior art date
Links
Classifications
-
- 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
- B01D9/004—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
- 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
- C07C51/23—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of oxygen-containing groups to carboxyl groups
- C07C51/235—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of oxygen-containing groups to carboxyl groups of —CHO groups or primary alcohol groups
-
- 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
-
- 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
-
- 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
- C07C67/52—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
-
- 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2011/079764 WO2013037131A1 (en) | 2011-09-16 | 2011-09-16 | Process for preparation of methacrylic acid and methacrylic acid ester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SG2014012637A true SG2014012637A (en) | 2014-06-27 |
Family
ID=47882550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SG2014012637A SG2014012637A (en) | 2011-09-16 | 2011-09-16 | Process for preparation of methacrylic acid and methacrylic acid ester |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JP6092221B2 (en) |
| KR (1) | KR20140060529A (en) |
| CN (1) | CN103796982B (en) |
| MY (1) | MY165642A (en) |
| SA (1) | SA112330847B1 (en) |
| SG (1) | SG2014012637A (en) |
| TW (1) | TWI535696B (en) |
| WO (1) | WO2013037131A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6008969B2 (en) * | 2011-09-16 | 2016-10-19 | 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 | Method for producing methacrylic acid and methacrylic acid ester |
| EP3049385B1 (en) * | 2013-09-26 | 2018-01-03 | Evonik Röhm GmbH | Process for producing methyl methacrylate |
| KR20220125361A (en) | 2020-02-26 | 2022-09-14 | 미쯔비시 케미컬 주식회사 | A method for separating a crystal containing water, a method for producing methacrylic acid, and a method for producing a methacrylic acid ester |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54115318A (en) * | 1978-02-28 | 1979-09-07 | Sumitomo Chem Co Ltd | Recovery of methacrylic acid |
| JPS5692831A (en) * | 1979-12-27 | 1981-07-27 | Sumitomo Chem Co Ltd | Recovering method of by-product acetic acid in preparation of methacrylic acid |
| JPS57144237A (en) * | 1981-03-04 | 1982-09-06 | Japan Synthetic Rubber Co Ltd | Preparation of methacrylic acid |
| JPH03279344A (en) * | 1990-03-27 | 1991-12-10 | Tosoh Corp | Method for reducing acetic acid concentration in acetic acid waste water |
| DE19709392A1 (en) * | 1997-03-07 | 1998-09-10 | Basf Ag | Process for the extraction of (meth) acrylic acid |
| BR0012007A (en) * | 1999-06-29 | 2002-03-12 | Shell International Res Mij B | Process for the treatment of a waste water supply containing organic contaminants |
| JP2002128728A (en) * | 2000-10-19 | 2002-05-09 | Mitsubishi Rayon Co Ltd | Method for purifying methacrylic acid |
| DE10242746B4 (en) * | 2002-09-13 | 2010-07-01 | Evonik Degussa Gmbh | Washing device, a process for cleaning a laundry and the use of the washing device |
| SI1995231T1 (en) * | 2007-05-25 | 2014-03-31 | Evonik Roehm Gmbh | Process for preparation of methyl methacrylate using recycled methanol |
| EP2085376B1 (en) * | 2008-01-30 | 2012-09-05 | Evonik Röhm GmbH | Process for preparation of high purity methacrylic acid |
| JP6008969B2 (en) * | 2011-09-16 | 2016-10-19 | 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 | Method for producing methacrylic acid and methacrylic acid ester |
-
2011
- 2011-09-16 JP JP2014530066A patent/JP6092221B2/en not_active Expired - Fee Related
- 2011-09-16 MY MYPI2014000730A patent/MY165642A/en unknown
- 2011-09-16 SG SG2014012637A patent/SG2014012637A/en unknown
- 2011-09-16 KR KR1020147006627A patent/KR20140060529A/en not_active Application Discontinuation
- 2011-09-16 CN CN201180073458.4A patent/CN103796982B/en not_active Expired - Fee Related
- 2011-09-16 WO PCT/CN2011/079764 patent/WO2013037131A1/en active Application Filing
-
2012
- 2012-09-12 TW TW101133298A patent/TWI535696B/en not_active IP Right Cessation
- 2012-09-15 SA SA112330847A patent/SA112330847B1/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| MY165642A (en) | 2018-04-18 |
| JP2014528934A (en) | 2014-10-30 |
| TWI535696B (en) | 2016-06-01 |
| CN103796982A (en) | 2014-05-14 |
| JP6092221B2 (en) | 2017-03-08 |
| TW201326115A (en) | 2013-07-01 |
| SA112330847B1 (en) | 2015-08-16 |
| CN103796982B (en) | 2015-10-14 |
| KR20140060529A (en) | 2014-05-20 |
| WO2013037131A1 (en) | 2013-03-21 |
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