FR2411171A1 - Procede pour preparer de l'acide terephtalique de grande purete - Google Patents

Procede pour preparer de l'acide terephtalique de grande purete

Info

Publication number
FR2411171A1
FR2411171A1 FR7834401A FR7834401A FR2411171A1 FR 2411171 A1 FR2411171 A1 FR 2411171A1 FR 7834401 A FR7834401 A FR 7834401A FR 7834401 A FR7834401 A FR 7834401A FR 2411171 A1 FR2411171 A1 FR 2411171A1
Authority
FR
France
Prior art keywords
ions
terephthalic acid
equivalent
cerium
manganese
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.)
Granted
Application number
FR7834401A
Other languages
English (en)
Other versions
FR2411171B1 (fr
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.)
Mitsubishi Gas Chemical Co Inc
Original Assignee
Mitsubishi Gas Chemical Co Inc
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 Mitsubishi Gas Chemical Co Inc filed Critical Mitsubishi Gas Chemical Co Inc
Publication of FR2411171A1 publication Critical patent/FR2411171A1/fr
Application granted granted Critical
Publication of FR2411171B1 publication Critical patent/FR2411171B1/fr
Granted 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
    • 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)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Catalysts (AREA)

Abstract

L'INVENTION CONCERNE UN PROCEDE POUR PREPARER DE L'ACIDE TEREPHTALIQUE TRES PUR. ON OXYDE DE L'ALDEHYDE P-TOLUIQUE AVEC DE L'OXYGENE MOLECULAIRE (PAR EXEMPLE DE L'AIR) EN PRESENCE D'UN CATALYSEUR A BASE DE METAL LOURD TEL QUE LE MANGANESE ETOU LE CERIUM, D'UN COMPOSE BROME ET D'UN ACIDE MINERAL, DANS L'EAU COMME SOLVANT, AVEC UNE CONCENTRATION DE 0,5 A 12 EN POIDS EN IONS BROME PAR RAPPORT A LA SOLUTION REACTIONNELLE, AVEC UN RAPPORT DES EQUIVALENTS-GRAMMES DES IONS HYDROGENE DE L'ACIDE MINERAL A LA SOMME TOTALE DES EQUIVALENTS-GRAMMES DES IONS HYDROGENE ET DES IONS MANGANESE ETOU DES IONS CERIUM DE 1 A 85 ET UN RAPPORT DE LA SOMME TOTALE DES EQUIVALENTS-GRAMMES DES IONS HYDROGENE ET DES IONS MANGANESE ETOU DES IONS CERIUM AUX EQUIVALENTS-GRAMMES DES IONS BROME DE 0,5 A 5. L'INVENTION S'APPLIQUE EN PARTICULIER A LA PREPARATION D'UN ACIDE TEREPHTALIQUE TRES PUR ET TRES BLANC QUE L'ON PEUT DIRECTEMENT POLYMERISER AVEC DES GLYCOLS, SANS PURIFICATION PREALABLE.
FR7834401A 1977-12-07 1978-12-06 Procede pour preparer de l'acide terephtalique de grande purete Granted FR2411171A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14693577A JPS5490132A (en) 1977-12-07 1977-12-07 Preparation of high purity terephthalic acid

Publications (2)

Publication Number Publication Date
FR2411171A1 true FR2411171A1 (fr) 1979-07-06
FR2411171B1 FR2411171B1 (fr) 1981-07-31

Family

ID=15418886

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7834401A Granted FR2411171A1 (fr) 1977-12-07 1978-12-06 Procede pour preparer de l'acide terephtalique de grande purete

Country Status (9)

Country Link
US (1) US4281179A (fr)
JP (1) JPS5490132A (fr)
BE (1) BE872598A (fr)
CA (1) CA1118440A (fr)
DE (1) DE2852751C3 (fr)
FR (1) FR2411171A1 (fr)
GB (1) GB2009735B (fr)
IT (1) IT1109114B (fr)
NL (1) NL177486C (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5517309A (en) * 1978-07-21 1980-02-06 Mitsubishi Gas Chem Co Inc Preparation of high purity terephthalic acid
JPS582222B2 (ja) * 1979-08-13 1983-01-14 三菱瓦斯化学株式会社 芳香族ポリカルボン酸の製造法
EP0041784A1 (fr) * 1980-06-10 1981-12-16 Imperial Chemical Industries Plc Oxydation de composés aromatiques substitués en acides carboxyliques aromatiques
DE3170255D1 (en) * 1980-06-10 1985-06-05 Ici Plc Oxidation of substituted aromatic compounds to aromatic carboxylic acids
JPS582221B2 (ja) * 1981-02-06 1983-01-14 三菱瓦斯化学株式会社 高純度テレフタル酸の製造法
IL84620A (en) * 1987-11-27 1992-03-29 Gadot Petrochem Ind Process for the manufacture of aromatic dicarboxylic acids
JP2971881B2 (ja) * 1988-03-14 1999-11-08 株式会社リコー 画像読取装置
US6013835A (en) * 1995-06-07 2000-01-11 Hfm International, Inc. Method and apparatus for preparing purified terephthalic acid
US6054610A (en) * 1995-06-07 2000-04-25 Hfm International, Inc. Method and apparatus for preparing purified terephthalic acid and isophthalic acid from mixed xylenes
US5929274A (en) * 1995-06-07 1999-07-27 Hfm International, Inc. Method to reduce carboxybenzaldehyde isomers in terephthalic acid or isophthalic acid
US5767311A (en) * 1995-06-07 1998-06-16 Glitsch International, Inc. Method and apparatus for preparing purified terephtalic acid
CA2343400A1 (fr) 1998-09-10 2000-03-23 Exxonmobil Chemical Patents, Inc. Procede de fabrication d'aldehydes aromatiques

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB804612A (en) * 1956-05-16 1958-11-19 Ici Ltd Process for the oxidation of organic compounds
GB833438A (en) * 1955-08-24 1960-04-27 Ici Ltd Oxidation of organic or carbonaceous substances
FR2089101A5 (fr) * 1970-04-02 1972-01-07 Fmc Corp
JPS5392726A (en) * 1977-01-26 1978-08-15 Mitsubishi Gas Chem Co Inc Preparation of terephthalic acid

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE562102A (fr) * 1956-11-05
US3944601A (en) * 1972-12-20 1976-03-16 Standard Oil Company Quality of phthalic acids improved by strong inorganic acids

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB833438A (en) * 1955-08-24 1960-04-27 Ici Ltd Oxidation of organic or carbonaceous substances
GB804612A (en) * 1956-05-16 1958-11-19 Ici Ltd Process for the oxidation of organic compounds
FR2089101A5 (fr) * 1970-04-02 1972-01-07 Fmc Corp
US3678106A (en) * 1970-04-02 1972-07-18 Fmc Corp OXIDATION OF p-XYLENE AND p-TOLUIC ACID TO TEREPHTHALIC ACID IN AQUEOUS MEDIUM
JPS5392726A (en) * 1977-01-26 1978-08-15 Mitsubishi Gas Chem Co Inc Preparation of terephthalic acid

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
CA1978 *

Also Published As

Publication number Publication date
DE2852751C3 (de) 1981-07-09
DE2852751B2 (de) 1980-06-19
FR2411171B1 (fr) 1981-07-31
NL7811884A (nl) 1979-06-11
CA1118440A (fr) 1982-02-16
IT1109114B (it) 1985-12-16
GB2009735B (en) 1982-04-28
NL177486B (nl) 1985-05-01
JPS5490132A (en) 1979-07-17
IT7869799A0 (it) 1978-12-06
DE2852751A1 (de) 1979-06-13
GB2009735A (en) 1979-06-20
NL177486C (nl) 1985-10-01
US4281179A (en) 1981-07-28
BE872598A (fr) 1979-03-30

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Legal Events

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