ES299386A1 - Procedure for the continuous preparation of aromatic acids (Machine-translation by Google Translate, not legally binding) - Google Patents

Procedure for the continuous preparation of aromatic acids (Machine-translation by Google Translate, not legally binding)

Info

Publication number
ES299386A1
ES299386A1 ES299386A ES299386A ES299386A1 ES 299386 A1 ES299386 A1 ES 299386A1 ES 299386 A ES299386 A ES 299386A ES 299386 A ES299386 A ES 299386A ES 299386 A1 ES299386 A1 ES 299386A1
Authority
ES
Spain
Prior art keywords
xylene
order
oxidation zone
liquid phase
acetic acid
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
Application number
ES299386A
Other languages
Spanish (es)
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.)
Standard Oil Co
Original Assignee
Standard Oil 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 Standard Oil Co filed Critical Standard Oil Co
Publication of ES299386A1 publication Critical patent/ES299386A1/en
Expired 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
    • C07C51/16—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
    • C07C51/255—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of compounds containing six-membered aromatic rings without ring-splitting
    • C07C51/265—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of compounds containing six-membered aromatic rings without ring-splitting having alkyl side chains which are oxidised to carboxyl groups
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
    • B01J31/04—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides containing carboxylic acids or their salts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2231/00—Catalytic reactions performed with catalysts classified in B01J31/00
    • B01J2231/70—Oxidation reactions, e.g. epoxidation, (di)hydroxylation, dehydrogenation and analogues
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2531/00—Additional information regarding catalytic systems classified in B01J31/00
    • B01J2531/70—Complexes comprising metals of Group VII (VIIB) as the central metal
    • B01J2531/72—Manganese
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2531/00—Additional information regarding catalytic systems classified in B01J31/00
    • B01J2531/80—Complexes comprising metals of Group VIII as the central metal
    • B01J2531/84—Metals of the iron group
    • B01J2531/845—Cobalt
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts

Landscapes

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

Abstract

Process for the continuous preparation of aromatic acids, in particular phthalic acid products selected from the class consisting of terephthalic acid, isophthalic acid and mixtures thereof, by oxidation in the catalytic liquid phase of a xylene selected from the class consisting of p-xylene, m-xylene and mixtures of the two, with air of 20 to 50% oxygen by volume, in an oxidation zone in which a liquid phase is maintained and in the presence of an acetic acid solution of bromine ions and a heavy metal as a catalyst system, characterized in that it consists essentially in continuously charging said oxidation zone in said oxidation zone, acetic acid solution of said catalyst system and air, the weight ratio between acetic acid and xylene being of the order of 1 to 10, the total concentrations of heavy metal and bromine being in the order of 0.01 to 1.0% by weight, based on acetic acid, the ratio being of air and xylene of the order of 1.0 to 40% excess over that required to provide the theoretical ratio of 3.0 moles of oxygen per mole of xylene, and the reaction temperature of the liquid phase being in the oxidation zone of the order of 199º to 246º C at 21.09-35.15 kg/cm2 and a residence time of the xylene in the oxidation zone of the order of 10 to 60 minutes; the resulting reaction mixture in the liquid phase is continuously withdrawn at such a rate as to provide the aforementioned residence time of the xylene for the recovery of the aforementioned phthalic acid product. (Machine-translation by Google Translate, not legally binding)
ES299386A 1963-04-30 1964-04-30 Procedure for the continuous preparation of aromatic acids (Machine-translation by Google Translate, not legally binding) Expired ES299386A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US27702263A 1963-04-30 1963-04-30

Publications (1)

Publication Number Publication Date
ES299386A1 true ES299386A1 (en) 1964-09-01

Family

ID=23059103

Family Applications (1)

Application Number Title Priority Date Filing Date
ES299386A Expired ES299386A1 (en) 1963-04-30 1964-04-30 Procedure for the continuous preparation of aromatic acids (Machine-translation by Google Translate, not legally binding)

Country Status (5)

Country Link
BE (1) BE647408A (en)
DE (1) DE1493192A1 (en)
ES (1) ES299386A1 (en)
GB (1) GB1062482A (en)
NL (1) NL6404735A (en)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5763649A (en) * 1996-07-12 1998-06-09 Mitsui Petrochemical Industries, Ltd. Process for producing aromatic carboxylic acids
US7910769B2 (en) 2004-09-02 2011-03-22 Eastman Chemical Company Optimized liquid-phase oxidation
US7741515B2 (en) 2004-09-02 2010-06-22 Eastman Chemical Company Optimized liquid-phase oxidation
US7692036B2 (en) 2004-11-29 2010-04-06 Eastman Chemical Company Optimized liquid-phase oxidation
US7683210B2 (en) 2004-09-02 2010-03-23 Eastman Chemical Company Optimized liquid-phase oxidation
MX2007002412A (en) * 2004-09-02 2007-04-23 Eastman Chem Co Optimized liquid-phase oxidation.
US7572936B2 (en) 2004-09-02 2009-08-11 Eastman Chemical Company Optimized liquid-phase oxidation
US7361784B2 (en) * 2004-09-02 2008-04-22 Eastman Chemical Company Optimized liquid-phase oxidation
US7504535B2 (en) 2004-09-02 2009-03-17 Eastman Chemical Company Optimized liquid-phase oxidation
US7568361B2 (en) 2004-09-02 2009-08-04 Eastman Chemical Company Optimized liquid-phase oxidation
US7589231B2 (en) 2004-09-02 2009-09-15 Eastman Chemical Company Optimized liquid-phase oxidation
US7582793B2 (en) * 2004-09-02 2009-09-01 Eastman Chemical Company Optimized liquid-phase oxidation
EP1791800B1 (en) * 2004-09-02 2017-11-01 Grupo Petrotemex, S.A. De C.V. Optimized liquid-phase oxidation
US7507857B2 (en) 2004-09-02 2009-03-24 Eastman Chemical Company Optimized liquid-phase oxidation
US7692037B2 (en) 2004-09-02 2010-04-06 Eastman Chemical Company Optimized liquid-phase oxidation
US7381836B2 (en) 2004-09-02 2008-06-03 Eastman Chemical Company Optimized liquid-phase oxidation
US7495125B2 (en) * 2004-09-02 2009-02-24 Eastman Chemical Company Optimized liquid-phase oxidation
US7884232B2 (en) 2005-06-16 2011-02-08 Eastman Chemical Company Optimized liquid-phase oxidation

Also Published As

Publication number Publication date
DE1493192A1 (en) 1969-02-20
GB1062482A (en) 1967-03-22
BE647408A (en) 1964-08-17
NL6404735A (en) 1964-11-02
DE1493192B2 (en) 1973-10-31

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