ES2094940T3 - Procedimiento para la purificacion de acidos en bruto constituidos por acidos carboxilicos alfa-beta-monoetilenicamente insaturados. - Google Patents

Procedimiento para la purificacion de acidos en bruto constituidos por acidos carboxilicos alfa-beta-monoetilenicamente insaturados.

Info

Publication number
ES2094940T3
ES2094940T3 ES93100118T ES93100118T ES2094940T3 ES 2094940 T3 ES2094940 T3 ES 2094940T3 ES 93100118 T ES93100118 T ES 93100118T ES 93100118 T ES93100118 T ES 93100118T ES 2094940 T3 ES2094940 T3 ES 2094940T3
Authority
ES
Spain
Prior art keywords
acids
beta
purification
alpha
rough
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
ES93100118T
Other languages
English (en)
Inventor
Gerd Dr Duembgen
Eckhard Dr Fiedler
Ulrich Dr Hammon
Fritz Dr Thiessen
Herbert Dr Vogel
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.)
BASF SE
Original Assignee
BASF SE
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 SE filed Critical BASF SE
Application granted granted Critical
Publication of ES2094940T3 publication Critical patent/ES2094940T3/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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/14—Fractional distillation or use of a fractionation or rectification column
    • B01D3/16—Fractionating columns in which vapour bubbles through liquid
    • B01D3/22—Fractionating columns in which vapour bubbles through liquid with horizontal sieve plates or grids; Construction of sieve plates or grids
    • B01D3/225—Dual-flow sieve trays
    • 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
    • C07C51/487—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification

Landscapes

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

Abstract

UN PROCESO PARA LA PURIFICACION DE ACIDOS BRUTOS CARBOXILICOS NO SATURADOS ALFA-BETA-MONOETILENICAMENTE, DONDE LOS ACIDOS BRUTOS SE ADICIONAN EN PRESENCIA DE UN COMPUESTO MERTCAPTO CON UN ACIDO ARILSULFONICO Y SE SEPARA DE FORMA DESTILATIVA A PARTIR DE LA MEZCLA LOS ACIDOS CARBOXILICOS NO SATURADOS ALFA-BETAMONOETILENICAMENTE.
ES93100118T 1992-01-23 1993-01-07 Procedimiento para la purificacion de acidos en bruto constituidos por acidos carboxilicos alfa-beta-monoetilenicamente insaturados. Expired - Lifetime ES2094940T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4201697A DE4201697A1 (de) 1992-01-23 1992-01-23 Verfahren zur reinigung von rohsaeuren (alpha),(beta)-monoethylenisch ungesaettigter carbonsaeuren

Publications (1)

Publication Number Publication Date
ES2094940T3 true ES2094940T3 (es) 1997-02-01

Family

ID=6450053

Family Applications (1)

Application Number Title Priority Date Filing Date
ES93100118T Expired - Lifetime ES2094940T3 (es) 1992-01-23 1993-01-07 Procedimiento para la purificacion de acidos en bruto constituidos por acidos carboxilicos alfa-beta-monoetilenicamente insaturados.

Country Status (5)

Country Link
EP (1) EP0554660B1 (es)
JP (1) JPH05255178A (es)
CZ (1) CZ282186B6 (es)
DE (2) DE4201697A1 (es)
ES (1) ES2094940T3 (es)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4335172A1 (de) * 1993-10-15 1995-04-20 Basf Ag Verfahren zur Reinigung von Roh-(Meth)acrylsäure
US5482597A (en) 1994-11-23 1996-01-09 Basf Aktiengesellschaft Purification of crude (meth)acrylic acid

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE786398A (fr) * 1971-07-21 1973-01-18 Basf Ag Procede de preparation de l'acide acrylique anhydre
CA962698A (en) * 1972-01-31 1975-02-11 The Standard Oil Company Process for purification of acrylic acid
JPS55129239A (en) * 1979-03-28 1980-10-06 Mitsubishi Rayon Co Ltd Purification of methacrylic acid
JPS5944337A (ja) * 1982-09-06 1984-03-12 Nippon Shokubai Kagaku Kogyo Co Ltd メタクリル酸の精製方法
DE3467340D1 (en) * 1984-07-21 1987-12-17 Mitsubishi Petrochemical Co Process for purification of 1,2-unsaturated carboxylic acids and/or esters thereof
DE4023239A1 (de) * 1990-07-21 1992-01-23 Basf Ag Verfahren zur katalytischen gasphasenoxidation von propen oder iso-buten zu acrolein oder methacrolein

Also Published As

Publication number Publication date
EP0554660A2 (de) 1993-08-11
CZ386792A3 (en) 1993-12-15
CZ282186B6 (cs) 1997-05-14
EP0554660A3 (en) 1995-01-04
DE59304225D1 (de) 1996-11-28
JPH05255178A (ja) 1993-10-05
EP0554660B1 (de) 1996-10-23
DE4201697A1 (de) 1993-07-29

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