MY165642A - 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
MY165642A
MY165642A MYPI2014000730A MYPI2014000730A MY165642A MY 165642 A MY165642 A MY 165642A MY PI2014000730 A MYPI2014000730 A MY PI2014000730A MY PI2014000730 A MYPI2014000730 A MY PI2014000730A MY 165642 A MY165642 A MY 165642A
Authority
MY
Malaysia
Prior art keywords
range
methacrylic acid
aqueous phase
phase
crude
Prior art date
Application number
MYPI2014000730A
Other languages
English (en)
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 MY165642A publication Critical patent/MY165642A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42—Separation; Purification; Stabilisation; Use of additives
    • C07C51/48—Separation; Purification; Stabilisation; Use of additives by liquid-liquid treatment
    • 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
    • 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)
  • 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)
MYPI2014000730A 2011-09-16 2011-09-16 Process for preparation of methacrylic acid and methacrylic acid ester MY165642A (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
MY165642A true MY165642A (en) 2018-04-18

Family

ID=47882550

Family Applications (1)

Application Number Title Priority Date Filing Date
MYPI2014000730A MY165642A (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 (ja)
KR (1) KR20140060529A (ja)
CN (1) CN103796982B (ja)
MY (1) MY165642A (ja)
SA (1) SA112330847B1 (ja)
SG (1) SG2014012637A (ja)
TW (1) TWI535696B (ja)
WO (1) WO2013037131A1 (ja)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MY161504A (en) * 2011-09-16 2017-04-14 Evonik Roehm Gmbh Process for preparation of methacrylic acid and methacrylic acid esters
SG11201601069PA (en) * 2013-09-26 2016-03-30 Evonik Roehm Gmbh Method for producing methacrolein and the conditioning/draining thereof for direct oxidative esterification
WO2021172458A1 (ja) * 2020-02-26 2021-09-02 三菱ケミカル株式会社 水を含む結晶の分離方法、メタクリル酸の製造方法、及びメタクリル酸エステルの製造方法

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 (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
JP2003503187A (ja) * 1999-06-29 2003-01-28 シエル・インターナシヨネイル・リサーチ・マーチヤツピイ・ベー・ウイ 廃水の処理方法
JP2002128728A (ja) * 2000-10-19 2002-05-09 Mitsubishi Rayon Co Ltd メタクリル酸の精製方法
DE10242746B4 (de) * 2002-09-13 2010-07-01 Evonik Degussa Gmbh Waschvorrichtung, ein Verfahren zur Aufreinigung eines Waschguts sowie die Verwendung der Waschvorrichtung
ES2446522T3 (es) * 2007-05-25 2014-03-10 Evonik Röhm Gmbh Procedimiento para la preparación de metacrilato de metilo usando metanol reciclado
EP2085376B1 (en) * 2008-01-30 2012-09-05 Evonik Röhm GmbH Process for preparation of high purity methacrylic acid
MY161504A (en) * 2011-09-16 2017-04-14 Evonik Roehm Gmbh Process for preparation of methacrylic acid and methacrylic acid esters

Also Published As

Publication number Publication date
SA112330847B1 (ar) 2015-08-16
JP6092221B2 (ja) 2017-03-08
KR20140060529A (ko) 2014-05-20
CN103796982A (zh) 2014-05-14
TW201326115A (zh) 2013-07-01
WO2013037131A1 (en) 2013-03-21
CN103796982B (zh) 2015-10-14
SG2014012637A (en) 2014-06-27
TWI535696B (zh) 2016-06-01
JP2014528934A (ja) 2014-10-30

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