MY140513A - Process for removing methacrolein from liquid phase comprising acrylic acid as a main constituent and target product, and methacrolein as a secondary component - Google Patents

Process for removing methacrolein from liquid phase comprising acrylic acid as a main constituent and target product, and methacrolein as a secondary component

Info

Publication number
MY140513A
MY140513A MYPI20060850A MYPI20060850A MY140513A MY 140513 A MY140513 A MY 140513A MY PI20060850 A MYPI20060850 A MY PI20060850A MY PI20060850 A MYPI20060850 A MY PI20060850A MY 140513 A MY140513 A MY 140513A
Authority
MY
Malaysia
Prior art keywords
methacrolein
acrylic acid
liquid phase
target product
main constituent
Prior art date
Application number
MYPI20060850A
Inventor
Joerg Heilek
Klaus Joachim Dr Mueller-Engel
Christoph Dr Adami
Martin Dr Dieterle
Original Assignee
Basf Ag
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
Priority claimed from DE200510009887 external-priority patent/DE102005009887A1/en
Priority claimed from DE200510015637 external-priority patent/DE102005015637A1/en
Application filed by Basf Ag filed Critical Basf Ag
Publication of MY140513A publication Critical patent/MY140513A/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
    • C07C51/43—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
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/27—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation
    • C07C45/32—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen
    • C07C45/33—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen of CHx-moieties
    • C07C45/34—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen of CHx-moieties in unsaturated compounds
    • C07C45/35—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen of CHx-moieties in unsaturated compounds in propene or isobutene
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C57/00—Unsaturated compounds having carboxyl groups bound to acyclic carbon atoms
    • C07C57/02—Unsaturated compounds having carboxyl groups bound to acyclic carbon atoms with only carbon-to-carbon double bonds as unsaturation
    • C07C57/03—Monocarboxylic acids
    • C07C57/04—Acrylic acid; Methacrylic acid

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

A PROCESS FOR REMOVING METHACROLEIN FROM LIQUID PHASE P COMPRISING ACRYLIC ACID AS A MAIN CONSTITUENT AND TARGET PRODUCT, AND METHACROLEIN AS A SECONDARY COMPONENT IN WHICH THE REMOVAL IS EFFECTED BY CRYSTALLIZATION. THE ACRYLIC ACID ACCUMULATING IN THE CRYSTALS FORMED AND THE METHACROLEIN IN 'THE REMAINING MOTHER LIQUOR.
MYPI20060850A 2005-03-01 2006-02-28 Process for removing methacrolein from liquid phase comprising acrylic acid as a main constituent and target product, and methacrolein as a secondary component MY140513A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US65688205P 2005-03-01 2005-03-01
DE200510009887 DE102005009887A1 (en) 2005-03-01 2005-03-01 Separation of methacrolein from acrylic acid, comprises crystallizing and separating the acrylic acid, and leaving the methacrolein in a liquid phase of the mother liquor
US66808805P 2005-04-05 2005-04-05
DE200510015637 DE102005015637A1 (en) 2005-04-05 2005-04-05 Removing methacrolein from liquid phase (comprising acrylic acid and methacrolein) by crystallization, where acrylic acid is accumulated in crystals formed and methacrolein in remaining mother liquor

Publications (1)

Publication Number Publication Date
MY140513A true MY140513A (en) 2009-12-31

Family

ID=36383751

Family Applications (1)

Application Number Title Priority Date Filing Date
MYPI20060850A MY140513A (en) 2005-03-01 2006-02-28 Process for removing methacrolein from liquid phase comprising acrylic acid as a main constituent and target product, and methacrolein as a secondary component

Country Status (7)

Country Link
EP (1) EP1856021B1 (en)
JP (2) JP5570096B2 (en)
KR (1) KR20070107170A (en)
BR (1) BRPI0607497B1 (en)
MY (1) MY140513A (en)
TW (1) TWI359807B (en)
WO (1) WO2006092415A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MY140513A (en) * 2005-03-01 2009-12-31 Basf Ag Process for removing methacrolein from liquid phase comprising acrylic acid as a main constituent and target product, and methacrolein as a secondary component
BRPI0916635B1 (en) * 2008-07-28 2020-04-14 Basf Se process to separate acrylic acid, present as a main product, and glyoxal, present as a by-product in a gas mixture
DE102011076931A1 (en) 2011-06-03 2012-12-06 Basf Se Aqueous solution containing acrylic acid and its conjugate base

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19606877A1 (en) * 1996-02-23 1997-08-28 Basf Ag Process for cleaning acrylic acid and methacrylic acid
DE19627847A1 (en) 1996-07-10 1998-01-15 Basf Ag Process for the production of acrylic acid
DE19833049A1 (en) * 1998-07-22 2000-01-27 Basf Ag Acrylic acid production by gas-phase oxidation of 3C feedstock, involves work-up by condensation and vacuum-crystallization, recycling mother liquor and evaporated liquid to the condensation stage
DE19926082A1 (en) * 1999-06-08 2000-12-14 Basf Ag Process for the purification and production of acrylic acid or methacrylic acid
AU2001246528A1 (en) * 2000-04-11 2001-10-23 Basf Aktiengesellschaft Method for the purification of a crude acrylic acid melt
DE10026407A1 (en) * 2000-05-29 2001-12-06 Basf Ag Process for the discontinuous crystallization of crude acrylic acid
DE10156016A1 (en) * 2001-11-15 2003-06-05 Basf Ag Device for the cleaning separation of crystals from their suspension in contaminated crystal melt
DE10211686A1 (en) * 2002-03-15 2003-10-02 Stockhausen Chem Fab Gmbh (Meth) acrylic acid crystal and process for the production and purification of aqueous (meth) acrylic acid
JP2005015478A (en) * 2003-06-05 2005-01-20 Nippon Shokubai Co Ltd Method for production of acrylic acid
MY140513A (en) * 2005-03-01 2009-12-31 Basf Ag Process for removing methacrolein from liquid phase comprising acrylic acid as a main constituent and target product, and methacrolein as a secondary component

Also Published As

Publication number Publication date
JP2008532945A (en) 2008-08-21
WO2006092415A1 (en) 2006-09-08
EP1856021B1 (en) 2015-08-05
KR20070107170A (en) 2007-11-06
JP2014129350A (en) 2014-07-10
TWI359807B (en) 2012-03-11
JP5570096B2 (en) 2014-08-13
BRPI0607497B1 (en) 2015-12-15
TW200635890A (en) 2006-10-16
EP1856021A1 (en) 2007-11-21
BRPI0607497A2 (en) 2010-04-06

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