DE2703161C2 - Verfahren zur Herstellung von Terephthalsäure - Google Patents

Verfahren zur Herstellung von Terephthalsäure

Info

Publication number
DE2703161C2
DE2703161C2 DE2703161A DE2703161A DE2703161C2 DE 2703161 C2 DE2703161 C2 DE 2703161C2 DE 2703161 A DE2703161 A DE 2703161A DE 2703161 A DE2703161 A DE 2703161A DE 2703161 C2 DE2703161 C2 DE 2703161C2
Authority
DE
Germany
Prior art keywords
oxidation
terephthalic acid
ppm
stage
post
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
DE2703161A
Other languages
German (de)
English (en)
Other versions
DE2703161A1 (de
Inventor
Hiroshi Hashizume
Yoshiaki Kitakyushu Fukuoka Izumisawa
Tsuneo Kimura
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 Kasei Corp
Original Assignee
Mitsubishi Kasei Corp
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 Kasei Corp filed Critical Mitsubishi Kasei Corp
Publication of DE2703161A1 publication Critical patent/DE2703161A1/de
Application granted granted Critical
Publication of DE2703161C2 publication Critical patent/DE2703161C2/de
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
    • 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
    • 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)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
DE2703161A 1976-01-29 1977-01-26 Verfahren zur Herstellung von Terephthalsäure Expired DE2703161C2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP876976A JPS5291835A (en) 1976-01-29 1976-01-29 Prepation of terephtalic acid for direct polymerization

Publications (2)

Publication Number Publication Date
DE2703161A1 DE2703161A1 (de) 1977-08-11
DE2703161C2 true DE2703161C2 (de) 1982-11-25

Family

ID=11702096

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2703161A Expired DE2703161C2 (de) 1976-01-29 1977-01-26 Verfahren zur Herstellung von Terephthalsäure

Country Status (4)

Country Link
JP (1) JPS5291835A (nl)
DE (1) DE2703161C2 (nl)
GB (1) GB1577019A (nl)
NL (1) NL7700814A (nl)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2862341D1 (en) * 1977-12-26 1983-11-24 Ihara Chemical Ind Co Process for producing aromatic monocarboxylic acid
DE2822728C3 (de) * 1978-05-24 1981-08-27 Asahi Kasei Kogyo K.K., Osaka Verfahren zur Herstellung von Terephthalsäure
EP0021747B1 (en) * 1979-07-02 1983-05-18 Imperial Chemical Industries Plc Process for the preparation of terephthalic acid
JPS6036439A (ja) * 1983-08-09 1985-02-25 Mitsubishi Chem Ind Ltd テレフタル酸の製法
US5132450A (en) * 1990-06-25 1992-07-21 Mitsubishi Gas Chemical Company, Inc. Process for producing high purity isophthalic acid
KR970000136B1 (ko) * 1993-09-28 1997-01-04 브이.피. 유리예프 고순도 벤젠디카르복실산 이성질체의 제조방법

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3069462A (en) * 1958-05-05 1962-12-18 Mid Century Corp Oxidation of aromatic compounds
GB848284A (en) * 1958-05-19 1960-09-14 Ici Ltd Process for the preparation of terephthalic acid
GB983677A (en) * 1962-04-27 1965-02-17 Mitsui Petrochemical Ind A process for the preparation of terephthalic acid having extremely high purity
CA793870A (en) * 1964-12-14 1968-09-03 Berthoux Jean Procede d'oxydation d'hydrocarbures aromatiques
DE1802433A1 (de) * 1968-10-11 1970-05-21 Basf Ag Verfahren zur Herstellung von Terephtalsaeure mit niedrigem Terephthalaldehydsaeure-Gehalt
DE2154147C3 (de) * 1970-11-01 1978-03-16 Maruzen Oil Co., Ltd., Osaka (Japan) Verfahren zur Herstellung von Terephthalsäure

Also Published As

Publication number Publication date
GB1577019A (en) 1980-10-15
DE2703161A1 (de) 1977-08-11
JPS565377B2 (nl) 1981-02-04
JPS5291835A (en) 1977-08-02
NL7700814A (nl) 1977-08-02

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Legal Events

Date Code Title Description
OD Request for examination
D2 Grant after examination
8339 Ceased/non-payment of the annual fee