MY118772A - Preparation of acrylic acid and methacrylic acid - Google Patents

Preparation of acrylic acid and methacrylic acid

Info

Publication number
MY118772A
MY118772A MYPI97003138A MYPI9703138A MY118772A MY 118772 A MY118772 A MY 118772A MY PI97003138 A MYPI97003138 A MY PI97003138A MY PI9703138 A MYPI9703138 A MY PI9703138A MY 118772 A MY118772 A MY 118772A
Authority
MY
Malaysia
Prior art keywords
preparation
acrylic acid
acid
methacrylic acid
methacrylic
Prior art date
Application number
MYPI97003138A
Other languages
English (en)
Inventor
Machhammer Dr Otto
Proll Dr Theo
Schliephake Dr Volker
Eck Bernd
Klaus Joachim Muller-Engel
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
Application filed by Basf Ag filed Critical Basf Ag
Publication of MY118772A publication Critical patent/MY118772A/en

Links

Classifications

    • 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
    • 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

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)
MYPI97003138A 1996-07-10 1997-07-10 Preparation of acrylic acid and methacrylic acid MY118772A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19627847A DE19627847A1 (de) 1996-07-10 1996-07-10 Verfahren zur Herstellung von Acrylsäure

Publications (1)

Publication Number Publication Date
MY118772A true MY118772A (en) 2005-01-31

Family

ID=7799473

Family Applications (1)

Application Number Title Priority Date Filing Date
MYPI97003138A MY118772A (en) 1996-07-10 1997-07-10 Preparation of acrylic acid and methacrylic acid

Country Status (14)

Country Link
US (1) US6596901B1 (enExample)
EP (1) EP0920408B1 (enExample)
JP (1) JP4612123B2 (enExample)
KR (1) KR100492829B1 (enExample)
CN (1) CN1083420C (enExample)
BR (1) BR9710251A (enExample)
CA (1) CA2259945A1 (enExample)
CZ (1) CZ296309B6 (enExample)
DE (2) DE19627847A1 (enExample)
ES (1) ES2168664T3 (enExample)
ID (1) ID18421A (enExample)
MY (1) MY118772A (enExample)
TW (1) TW546286B (enExample)
WO (1) WO1998001415A1 (enExample)

Families Citing this family (54)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6194609B1 (en) 1997-06-30 2001-02-27 Bp Amoco Corporation Crystallization in a plate heat exchanger
WO1999000167A1 (en) * 1997-06-30 1999-01-07 Bp Amoco Corporation Crystallization in a plate heat exchanger
DE19740252A1 (de) * 1997-09-12 1999-03-18 Basf Ag Verfahren zur Herstellung von Acrylsäure und Methacrylsäure
DE19829477A1 (de) * 1998-07-01 2000-01-05 Basf Ag Verfahren zur Reinigung von Acrylsäure oder Methacrylsäure durch Kristallisation und Destillation
DE19833049A1 (de) * 1998-07-22 2000-01-27 Basf Ag Verfahren zur Herstellung von Acrylsäure
DE19832962A1 (de) * 1998-07-22 2000-01-27 Basf Ag Reinigung von Acrylsäure durch Kristallisation mittels Vakuumverdampfung
DE19926082A1 (de) * 1999-06-08 2000-12-14 Basf Ag Verfahren zur Reinigung und Herstellung von Acrylsäure oder Methacrylsäure
DE10003498A1 (de) 2000-01-27 2001-08-02 Basf Ag Reinigungsverfahren für (Meth)acrylsäure
US6927268B2 (en) 2000-06-21 2005-08-09 Nippon Shokubai Co., Ltd. Production process for water-absorbent resin
DE10221176A1 (de) * 2002-05-13 2003-11-27 Basf Ag Verfahren zur Herstellung geruchsarmer Hydrogelbildender Polymerisate
US7115776B2 (en) 2002-07-18 2006-10-03 Basf Aktiengesellschaft Heterogeneously catalyzed gas-phase partial oxidation of at least one organic compound
US20040104108A1 (en) 2002-12-03 2004-06-03 Mason Robert Michael High capacity purification of thermally unstable compounds
DE10257397A1 (de) * 2002-12-06 2004-06-24 Basf Ag Verfahren zur Reduktion des MEHQ Gehalts in Acrylsäure
DE10301040B4 (de) * 2003-01-13 2005-07-21 Stockhausen Gmbh Aufreinigung eines Monomers durch Extraktion mit einem Phasenbildner und Kristallisation
DE10316465A1 (de) 2003-04-09 2004-10-28 Basf Ag Verfahren der heterogen katalysierten partiellen direkten Oxidation von Propan und/oder iso-Butan
MY140509A (en) * 2003-04-09 2009-12-31 Basf Ag Method for the heterogeneously catalyzed partial direct oxidation of propane and/or isobutane
US7183428B2 (en) * 2003-06-05 2007-02-27 Nippon Shokubai Co., Inc. Method for production of acrylic acid
EP1512417B1 (en) * 2003-09-02 2013-06-19 Nippon Shokubai Co., Ltd. Particulate water-absorbent resin composition
EP2260876B1 (en) 2003-09-19 2021-08-04 Nippon Shokubai Co., Ltd. Water absorbent product and method for producing the same
KR100563661B1 (ko) * 2003-12-18 2006-03-23 한국전자통신연구원 가변 고차 베셀 저역 통과 필터
US7592483B2 (en) 2004-07-01 2009-09-22 Basf Aktiengesellschaft Preparation of acrolein or acrylic acid or a mixture thereof by heterogeneously catalyzed partial gas phase oxidation of propylene
US7414149B2 (en) * 2004-11-22 2008-08-19 Rohm And Haas Company Non-routine reactor shutdown method
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
DE102005009887A1 (de) * 2005-03-01 2006-09-07 Basf Ag Verfahren zur Abtrennung von Methacrolein aus Acrylsäure als Hauptbestandteil sowie Zielprodukt und Methacrotein als Nebenkomponente enthaltender flüssiger Phase
US7601866B2 (en) 2005-03-01 2009-10-13 Basf Aktiengesellschaft Process for removing methacrolein from liquid phase comprising acrylic acid as a main constituent and target product, and methacrolein as a secondary component
US7705181B2 (en) 2005-03-01 2010-04-27 Basf Akiengesellschaft Process for removing methacrylic acid from liquid phase comprising acrylic acid as a main constituent and target product, and methacrylic acid as a secondary component
EP1856020B1 (de) * 2005-03-01 2015-07-08 Basf Se Verfahren zur abtrennung von methacrylsäure aus acrylsäure als hauptbestandteil sowie zielprodukt und methacrylsäure als nebenkomponente enthaltender flüssiger phase
DE102005019911A1 (de) 2005-04-27 2006-11-02 Basf Ag Verfahren der rektifikativen Auftrennung einer Acrylsäure und/oder Methacrylsäure enthaltenden Flüssigkeit
US7780193B2 (en) * 2005-09-30 2010-08-24 Toyoda Gosei Co., Ltd. Gas generator
JP5144926B2 (ja) * 2006-01-20 2013-02-13 株式会社日本触媒 アクリル酸の精製方法および製造方法
DE102007043748A1 (de) 2007-09-13 2008-09-11 Basf Se Verfahren zur kontinuierlichen Abtrennung eines Zielproduktes X in Form von feinteiligem Kristallisat
DE102007043758A1 (de) 2007-09-13 2008-10-23 Basf Se Verfahren zum Betreiben einer kontinuierlichen Abtrennung eines Zielproduktes X in Form von feinteiligem Kristallisat des Zielproduktes X
BE1018537A3 (fr) 2007-09-13 2011-03-01 Basf Se Procede d'exploitation d'une separation en continu d'un produit cible x sous la forme d'un cristallisat finement divise.
JP4822559B2 (ja) * 2007-09-19 2011-11-24 ローム アンド ハース カンパニー （メタ）アクリル酸生成物流からのプロピオン酸の選択的減少のための改良された方法
JP5274005B2 (ja) * 2007-12-25 2013-08-28 三菱レイヨン株式会社 易重合性化合物の晶析方法、および晶析装置
EP2085376B1 (en) * 2008-01-30 2012-09-05 Evonik Röhm GmbH Process for preparation of high purity methacrylic acid
JP5112898B2 (ja) * 2008-02-07 2013-01-09 三菱レイヨン株式会社 （メタ）アクリル酸の晶析方法およびその晶析システム
CN101970102B (zh) 2008-03-13 2013-04-03 株式会社日本触媒 以吸水性树脂为主要成分的颗粒状吸水剂的制造方法
CN102007170B (zh) 2008-04-11 2014-06-25 株式会社日本触媒 吸水性树脂的表面处理方法和吸水性树脂的制造方法
JP5507111B2 (ja) * 2008-05-30 2014-05-28 ローム アンド ハース カンパニー 水性（メタ）アクリル酸の製造方法
DE102008040799A1 (de) 2008-07-28 2008-12-11 Basf Se Verfahren zur Auftrennung von in einem Produktgasgemisch einer partiellen heterogen katalysierten Gasphasenoxidation einer C3-Vorläuferverbindung der Acrylsäure als Hauptbestandteil enthaltener Acrylsäure und als Nebenprodukt enthaltenem Glyoxal
JP2011529094A (ja) 2008-07-28 2011-12-01 ビーエーエスエフ ソシエタス・ヨーロピア アクリル酸のｃ３前駆体化合物のガス状生成混合物から主生成物として含有されるアクリル酸および副生成物として含有されるグリオキサールを分離する方法
DE102008041573A1 (de) 2008-08-26 2010-03-04 Basf Se Verfahren zur Auftrennung von in einem Produktgasgemisch einer partiellen heterogen katalysierten Gasphasenoxidation einer C3-Vorläuferverbindung der Acrylsäure als Hauptbestandteil enhaltener Acrylsäure und als Nebenprodukt enthaltenem Glyoxal
JP5581316B2 (ja) * 2009-05-19 2014-08-27 株式会社日本触媒 （メタ）アクリル酸の製造方法
US8704000B2 (en) 2009-06-01 2014-04-22 Nippon Shokubai Co., Ltd. Method for crystallizing (meth)acrylic acid and method for regulating content of polymerization inhibitor in product (meth)acrylic acid
DE102010042216A1 (de) 2010-10-08 2011-06-09 Basf Se Verfahren zur Hemmung der unerwünschten radikalischen Polymerisation von in einer flüssigen Phase P befindlicher Acrylsäure
DE102010048405A1 (de) 2010-10-15 2011-05-19 Basf Se Verfahren zum Langzeitbetrieb einer heterogen katalysierten partiellen Gasphasenoxidation von Proben zu Acrolein
WO2013163806A1 (en) 2012-05-03 2013-11-07 Evonik Industries Ag Process for preparation of highly pure, non-yellowing methacrylic acid
SG11201507796VA (en) 2013-03-18 2015-10-29 Evonik Roehm Gmbh Process for preparation of methacrylic acid and methacrylic acid esters
RU2695229C2 (ru) * 2014-03-31 2019-07-22 Торэй Индастриз, Инк. Способ производства молочной кислоты
EP3012244A1 (en) 2014-10-24 2016-04-27 Sulzer Chemtech AG Process and apparatus for purification of acrylic acid
US11447439B2 (en) 2018-07-26 2022-09-20 Basf Se Method for inhibiting unwanted radical polymerisation of acrylic acid present in a liquid phase P
US20230132285A1 (en) 2020-03-26 2023-04-27 Basf Se Process for inhibiting the undesired free-radical polymerization of acrylic acid present in a liquid phase p
KR20250043799A (ko) * 2023-09-22 2025-03-31 주식회사 엘지화학 아크릴산의 제조 방법

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AR206439A1 (es) * 1974-10-07 1976-07-23 Celanese Corp Un metodo para la recuperacion de un acido acrilico crudo
DE2606364C3 (de) * 1976-02-18 1988-05-26 Basf Ag, 6700 Ludwigshafen Verfahren zur Stofftrennung aus einem flüssigen Gemisch durch fraktionierte Kristallisation
US4599144A (en) * 1984-06-25 1986-07-08 Standard Oil Company (Indiana) Process for recovery of methacrylic acid
US4780568A (en) * 1984-12-14 1988-10-25 Ashland Oil, Inc. Purification of methacrylic acid from an oxydehydrogenation by crystallization
DE4308087C2 (de) * 1993-03-13 1997-02-06 Basf Ag Verfahren zur Abtrennung von Acrylsäure aus den Reaktionsgasen der katalytischen Oxidation von Propylen und/oder Acrolein
TW305830B (enExample) * 1993-03-26 1997-05-21 Sulzer Chemtech Ag
DE19606877A1 (de) * 1996-02-23 1997-08-28 Basf Ag Verfahren zur Reinigung von Acrylsäure und Methacrylsäure
DE19740252A1 (de) * 1997-09-12 1999-03-18 Basf Ag Verfahren zur Herstellung von Acrylsäure und Methacrylsäure

Also Published As

Publication number Publication date
EP0920408A1 (de) 1999-06-09
CA2259945A1 (en) 1998-01-15
US6596901B1 (en) 2003-07-22
CZ296309B6 (cs) 2006-02-15
BR9710251A (pt) 1999-08-10
CN1083420C (zh) 2002-04-24
EP0920408B1 (de) 2001-11-21
CZ7399A3 (cs) 1999-05-12
JP2000514077A (ja) 2000-10-24
DE19627847A1 (de) 1998-01-15
TW546286B (en) 2003-08-11
DE59706057D1 (de) 2002-02-21
JP4612123B2 (ja) 2011-01-12
ES2168664T3 (es) 2002-06-16
KR100492829B1 (ko) 2005-06-07
KR20000023682A (ko) 2000-04-25
WO1998001415A1 (de) 1998-01-15
ID18421A (id) 1998-04-09
CN1230168A (zh) 1999-09-29

Similar Documents

Publication Publication Date Title
MY121013A (en) Method for producing acrylic acid and methacrylic acid
ES2168664T3 (es) Procedimiento para la obtencion de acido acrilico o de acido metacrilico.
BR9912344A (pt) Processo para a preparação de ácido acrìlico.
EP1787980A3 (en) Crystalline and pure modafinil, and process of preparing the same
IN2002CH00261A (enExample)
BR0209297A (pt) Processo para a preparação de ácido acrìlico pela oxidação parcial heterogeneamente catalisada de propano na fase gasosa
BR0007389A (pt) Processos para separação de um ou mais gases de uma mistura de gases e para produção de uma membrana de poliimida porosa e membrana de poliimida para separação de gases
MY140522A (en) Preparation of acrolein and/or acrylic acid
BR9708504A (pt) Catalizador e processo para preparação de acetato de vinila.
EP1273343A4 (en) METHOD FOR SEPARATING AN IMID CONNECTION
MY133264A (en) Process for the separation of acrylic acid
JPS55124734A (en) Preparation of methacrylic acid
WO2001051443A3 (en) Method for increasing oxidation reactor production capacity
GB2381524B (en) Process for the production of xylitol
ATE332297T1 (de) Verfahren zur herstellung von ascorbinsäure
ES8603344A1 (es) Perfeccionamientos introducidos en un procedimiento para la produccion de un producto gaseoso por reaccion catalitica exotermica de una corriente gaseosa de alimentacion
TW374767B (en) Process for preparing trioxane
MX173115B (es) Procedimiento para la preparacion de acetato de vinilo
EP1402942B8 (en) Process for producing a compound
WO2002028833A3 (en) Process for the synthesis of 2,2,6,6-tetramethyl-4-oxopiperidine
DK0641200T3 (da) 2-Arylpropionsyrepræparater og fremgangsmåde til fremstilling deraf
MY141769A (en) Preparation of acrolein or acrylic acid or a mixture thereof by heterogeneously catalyzed partial gas phase oxidation or propylene
AU4408500A (en) Catalyst component comprising magnesium, titanium, a halogen and an electron donor, its preparation and use
JPS5257142A (en) Process for preparing dihalovinyl-cyclopropanecarboxylic acid derivati ves
EP0415175A3 (en) Urea- and carboxylic group containing reaction product, process for its preparation and radiation-sensitive mixture obtainable therefrom