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SG2014012637A - Process for preparation of methacrylic acid and methacrylic acid ester - Google Patents

Process for preparation of methacrylic acid and methacrylic acid ester

Info

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
Application number
SG2014012637A
Inventor
Jerald A Jones
Torsten Balduf
Henning Schaefer
Original Assignee
Evonik Roehm Gmbh
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Evonik Roehm Gmbh filed Critical Evonik Roehm Gmbh
Publication of SG2014012637A publication Critical patent/SG2014012637A/en

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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
SG2014012637A 2011-09-16 2011-09-16 Process for preparation of methacrylic acid and methacrylic acid ester SG2014012637A (en)

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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103827071A (en) * 2011-09-16 2014-05-28 赢创罗姆有限公司 Process for the preparation of methacrylic acid and methacrylates
CN105683148B (en) * 2013-09-26 2017-11-24 赢创罗姆有限公司 Process for the preparation of methacrolein and its conditioning/dehydration for direct oxidative esterification
KR102899958B1 (en) * 2020-02-26 2025-12-12 미쯔비시 케미컬 주식회사 Method for separating crystals containing water, method for producing methacrylic acid, and method for producing methacrylic acid ester

Family Cites Families (11)

* Cited by examiner, † Cited by third party
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
AU759842B2 (en) * 1999-06-29 2003-05-01 Shell Internationale Research Maatschappij B.V. Process for the treatment of a waste water
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
CN103827071A (en) * 2011-09-16 2014-05-28 赢创罗姆有限公司 Process for the preparation of methacrylic acid and methacrylates

Also Published As

Publication number Publication date
KR20140060529A (en) 2014-05-20
WO2013037131A1 (en) 2013-03-21
TW201326115A (en) 2013-07-01
TWI535696B (en) 2016-06-01
JP6092221B2 (en) 2017-03-08
SA112330847B1 (en) 2015-08-16
MY165642A (en) 2018-04-18
CN103796982B (en) 2015-10-14
JP2014528934A (en) 2014-10-30
CN103796982A (en) 2014-05-14

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