ES2157293T3 - Preparacion de acidos carboxilicos c3-c6 alfa,beta-insaturados. - Google Patents

Preparacion de acidos carboxilicos c3-c6 alfa,beta-insaturados.

Info

Publication number
ES2157293T3
ES2157293T3 ES95301386T ES95301386T ES2157293T3 ES 2157293 T3 ES2157293 T3 ES 2157293T3 ES 95301386 T ES95301386 T ES 95301386T ES 95301386 T ES95301386 T ES 95301386T ES 2157293 T3 ES2157293 T3 ES 2157293T3
Authority
ES
Spain
Prior art keywords
alfa
beta
preparation
insaturated
carboxilic acids
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
ES95301386T
Other languages
English (en)
Inventor
William Bauer Jr
Robert Michael Mason
Rita Karina Upmacis
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rohm and Haas Co
Original Assignee
Rohm and Haas Co
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 Rohm and Haas Co filed Critical Rohm and Haas Co
Application granted granted Critical
Publication of ES2157293T3 publication Critical patent/ES2157293T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/347—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups
    • C07C51/377—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups by splitting-off hydrogen or functional groups; by hydrogenolysis of functional groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42—Separation; Purification; Stabilisation; Use of additives
    • C07C51/43—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation
    • C07C51/44—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation by distillation

Landscapes

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

Abstract

EL PRESENTE INVENTO PROPORCIONA UN PROCESO PARA LA PREPARACION DE UN ACIDO CARBOXILICO C3-C6 (ALFA),(BETA) INSATURADO DE UNA PUREZA SUPERIOR AL 98%, QUE COMBINE LOS PROCESOS DE DESTILACION FRACCIONADA Y LA CRISTALIZACION FUNDIDA. UNA MATERIALIZACION DEL PROCESO DE LA INVENCION ES DESCRITA DE FORMA ESQUEMATICA EN LA FIGURA 1 DONDE 1 REPRESENTA UN REACTOR QUIMICO DE DESHIDROGENACION EN EL QUE UN ACIDO CARBOXILICO C3-C6, SE DESHIDROGENA PARA OBTENER UN ACIDO CARBOXILICO C3-C6 (ALFA),(BETA) INSATURADO, 3 REPRESENTA UNA UNIDAD DESTILADORA Y 6 REPRESENTA UN CRISTALIZADOR DE FUSION.
ES95301386T 1994-03-28 1995-03-03 Preparacion de acidos carboxilicos c3-c6 alfa,beta-insaturados. Expired - Lifetime ES2157293T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/219,324 US5523480A (en) 1994-03-28 1994-03-28 Process for purifying unsaturated carboxylic acids using distillation and melt crystallization

Publications (1)

Publication Number Publication Date
ES2157293T3 true ES2157293T3 (es) 2001-08-16

Family

ID=22818828

Family Applications (1)

Application Number Title Priority Date Filing Date
ES95301386T Expired - Lifetime ES2157293T3 (es) 1994-03-28 1995-03-03 Preparacion de acidos carboxilicos c3-c6 alfa,beta-insaturados.

Country Status (13)

Country Link
US (1) US5523480A (es)
EP (1) EP0675100B1 (es)
JP (1) JP3682085B2 (es)
KR (1) KR100396720B1 (es)
CN (1) CN1115752A (es)
BR (1) BR9501227A (es)
CA (1) CA2145245A1 (es)
CZ (1) CZ77095A3 (es)
DE (1) DE69521230T2 (es)
ES (1) ES2157293T3 (es)
RU (1) RU95104222A (es)
SG (1) SG30329A1 (es)
TW (1) TW320631B (es)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
DE19904820A1 (de) * 1999-02-05 2000-08-10 Stockhausen Chem Fab Gmbh Verfahren und Vorrichtung zur Reinigung von Stoffen mittels Kristallisation
JP4960562B2 (ja) * 2000-04-11 2012-06-27 ビーエーエスエフ ソシエタス・ヨーロピア 粗製アクリル酸溶融物の精製法
JP4673958B2 (ja) * 2000-06-19 2011-04-20 株式会社日本触媒 固形物除去装置
BR0206396A (pt) 2001-01-12 2004-02-10 Degussa Processo contìnuo para preparação e purificação de ácido (met)acrìlico
DE10122788A1 (de) * 2001-05-10 2002-06-06 Basf Ag Verfahren der kristallisativen Reinigung einer Roh-Schmelze wenigstens eines Monomeren
DE10301040B4 (de) * 2003-01-13 2005-07-21 Stockhausen Gmbh Aufreinigung eines Monomers durch Extraktion mit einem Phasenbildner und Kristallisation
US7393976B2 (en) * 2003-11-26 2008-07-01 Rohm And Haas Company Process for manufacturing reduced water content (meth)acrylic acid
WO2005051883A1 (ja) * 2003-11-28 2005-06-09 Mitsubishi Chemical Corporation （メタ）アクリル酸の精製方法
JP2005247731A (ja) * 2004-03-03 2005-09-15 Mitsubishi Chemicals Corp （メタ）アクリル酸組成物及びその製造方法
JP5094459B2 (ja) * 2007-03-09 2012-12-12 ローム アンド ハース カンパニー アルカンを不飽和カルボン酸に変換するための改良法
EP2085376B1 (en) * 2008-01-30 2012-09-05 Evonik Röhm GmbH Process for preparation of high purity methacrylic acid
ES2595106T3 (es) * 2008-10-06 2016-12-27 Sulzer Chemtech Ag Procedimiento y dispositivo para la separación de ácidos carboxílicos y/o ésteres de ácidos carboxílicos
US8680330B2 (en) 2009-02-03 2014-03-25 Nippon Shokubai Co., Ltd. Process for producing (meth) acrylic acid
JP5318602B2 (ja) * 2009-02-03 2013-10-16 株式会社日本触媒 アクリル酸結晶の融解方法
US8536368B2 (en) 2011-10-03 2013-09-17 Celanese International Corporation Processes for the production of acrylic acids and acrylates from a trioxane feed
US8729299B2 (en) 2011-10-03 2014-05-20 Celanese International Corporation Processes for the production of acrylic acids and acrylates
US8658822B2 (en) 2011-10-03 2014-02-25 Celanese International Corporation Processes for producing acrylic acids and acrylates
US9073846B2 (en) 2013-06-05 2015-07-07 Celanese International Corporation Integrated process for the production of acrylic acids and acrylates
US9120743B2 (en) 2013-06-27 2015-09-01 Celanese International Corporation Integrated process for the production of acrylic acids and acrylates
CN117327086B (zh) * 2022-06-27 2026-01-27 中国石油化工股份有限公司 一种高纯度均苯四甲酸二酐的制备方法及得到的高纯度均苯四甲酸二酐

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT279547B (de) * 1967-04-14 1970-03-10 Buchs Metallwerk Ag Verfahren und Vorrichtung zur Trennung oder Reinigung schmelzflüssiger, flüssiger oder gelöster Stoffe durch fraktioniertes Kristallisieren
US3663375A (en) * 1970-03-31 1972-05-16 American Cyanamid Co Separation of components from a reaction product mixture of water isobutyric acid and methacrylic acid by phase separation and distillations
SU639858A1 (ru) * 1972-11-09 1978-12-30 Институт химии АН СССР Способ очистки акриловой или метакриловой кислоты
IN145684B (es) * 1975-07-01 1979-04-21 Spie Batignolles
US4166774A (en) * 1977-12-05 1979-09-04 The Standard Oil Company Acrylic acid recovery and purification
US4230888A (en) * 1977-12-15 1980-10-28 Standard Oil Company (Ohio) Process for purification of acrylic acid by fractional crystallization
US4780568A (en) * 1984-12-14 1988-10-25 Ashland Oil, Inc. Purification of methacrylic acid from an oxydehydrogenation by crystallization
JPS62145044A (ja) * 1985-12-19 1987-06-29 Mitsui Toatsu Chem Inc メタクリル酸の精製方法
US4671857A (en) * 1986-09-26 1987-06-09 Eastman Kodak Company Method for separating methacrylic acid from isobutyric acid

Also Published As

Publication number Publication date
EP0675100A3 (en) 1998-07-08
JPH07278045A (ja) 1995-10-24
CZ77095A3 (en) 1995-11-15
KR100396720B1 (ko) 2003-12-31
CA2145245A1 (en) 1995-09-29
MX9501398A (es) 1998-10-31
TW320631B (es) 1997-11-21
RU95104222A (ru) 1996-12-27
EP0675100B1 (en) 2001-06-13
DE69521230T2 (de) 2001-10-11
CN1115752A (zh) 1996-01-31
KR950032057A (ko) 1995-12-20
SG30329A1 (en) 1996-06-01
US5523480A (en) 1996-06-04
BR9501227A (pt) 1996-04-09
JP3682085B2 (ja) 2005-08-10
DE69521230D1 (de) 2001-07-19
EP0675100A2 (en) 1995-10-04

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