DE2759027C2 - Verfahren zur Herstellung von Terephthalsäure - Google Patents

Verfahren zur Herstellung von Terephthalsäure

Info

Publication number
DE2759027C2
DE2759027C2 DE2759027A DE2759027A DE2759027C2 DE 2759027 C2 DE2759027 C2 DE 2759027C2 DE 2759027 A DE2759027 A DE 2759027A DE 2759027 A DE2759027 A DE 2759027A DE 2759027 C2 DE2759027 C2 DE 2759027C2
Authority
DE
Germany
Prior art keywords
acetic acid
methyl acetate
mother liquor
reaction
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.)
Expired
Application number
DE2759027A
Other languages
German (de)
English (en)
Other versions
DE2759027A1 (de
Inventor
Hiroshi Hashizume
Yoshiaki Kitakyushu Fukuoka Izumisawa
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 Chemical Corp
Original Assignee
Mitsubishi Chemical Industries Ltd
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 Chemical Industries Ltd filed Critical Mitsubishi Chemical Industries Ltd
Publication of DE2759027A1 publication Critical patent/DE2759027A1/de
Application granted granted Critical
Publication of DE2759027C2 publication Critical patent/DE2759027C2/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
    • 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)
DE2759027A 1976-12-30 1977-12-30 Verfahren zur Herstellung von Terephthalsäure Expired DE2759027C2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15898576A JPS5384931A (en) 1976-12-30 1976-12-30 Preparation of terephthalic acid

Publications (2)

Publication Number Publication Date
DE2759027A1 DE2759027A1 (de) 1978-07-06
DE2759027C2 true DE2759027C2 (de) 1983-10-06

Family

ID=15683685

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2759027A Expired DE2759027C2 (de) 1976-12-30 1977-12-30 Verfahren zur Herstellung von Terephthalsäure

Country Status (5)

Country Link
JP (1) JPS5384931A (enExample)
DE (1) DE2759027C2 (enExample)
GB (1) GB1554489A (enExample)
IT (1) IT1089270B (enExample)
NL (1) NL7714357A (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02145372U (enExample) * 1989-05-15 1990-12-10
GB9113476D0 (en) * 1991-06-21 1991-08-07 Interox Chemicals Ltd Oxidation of alkylaromatics

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5143383B2 (enExample) * 1972-06-26 1976-11-20
JPS523030A (en) * 1975-06-25 1977-01-11 Mitsubishi Chem Ind Ltd Process for manufacturing high purity terephthalic acid

Also Published As

Publication number Publication date
IT1089270B (it) 1985-06-18
NL7714357A (nl) 1978-07-04
JPS5384931A (en) 1978-07-26
GB1554489A (en) 1979-10-24
DE2759027A1 (de) 1978-07-06
JPS5642576B2 (enExample) 1981-10-06

Similar Documents

Publication Publication Date Title
DE2942375C2 (de) Verfahren zur Herstellung von Terephthalsäure
DE2424539C2 (de) Verfahren zur Herstellung von Diacetoxybutenen
DE2600541C3 (de) Verfahren zur Herstellung von Phenylbrenztraubensäure oder Arylbrenztraubensäuren
DE2759025A1 (de) Verfahren zur kontinuierlichen herstellung von terephthalsaeure
EP0071140B1 (de) Vanadium/Phosphor-Mischoxid-Katalysator, Verfahren zu dessen Herstellung sowie dessen Verwendung
DE2627475C3 (de) Verfahren zur Herstellung von Terephthalsäure
DE2847170C2 (de) Verfahren zur kontinuierlichen Herstellung von Terephthalsäure
DE3030463C2 (de) Verfahren zur Herstellung einer aromatischen Polycarbonsäure
DE2534161A1 (de) Verfahren zur herstellung von terephthalsaeure mit hoher reinheit
DE2547536C2 (de) Verfahren zur Herstellung von Methacrylsäure
DE2759027C2 (de) Verfahren zur Herstellung von Terephthalsäure
DE2341743B2 (de) Verfahren zur Herstellung einer Mischung aus Brenzkatechin und Hydrochinon
DE2759026C2 (de) Verfahren zur Herstellung von Terephthalsäure
DE2442231C2 (de) Verfahren zur Herstellung von Formaldehyd
DE2703161C2 (de) Verfahren zur Herstellung von Terephthalsäure
DE1959621C3 (de) Verfahren zur Gewinnung von Adipinsäure aus 6-Hydroperoxyhexansäure
DE1443811A1 (de) Verfahren zur Herstellung von C8-bis C12-alpha,omega-Dicarbonsaeuren
DE2363414C3 (de) Verfahren zur Reinigung von Dimethylterephthalat durch Verringerung des Gehaltes an Terephthalaldehydsäuremethylester bzw. seines Dimethylacetals
DE2916589A1 (de) Verfahren zur herstellung von terephthalsaeure
DE1668564B2 (de) Verfahren zur Herstellung von Dodekandisäure-1,12
DE2027536C (enExample)
DE3643206C1 (de) Verfahren zur Herstellung von substituierten Dihydroxybenzolen
DE2809421A1 (de) Verfahren zur herstellung von brenztraubensaeurealkylestern
DE1271709B (de) Verfahren zur Herstellung von Cyclohexancarbonsaeure
EP0091060A2 (de) Verfahren zur Herstellung von Formaldehyd

Legal Events

Date Code Title Description
8126 Change of the secondary classification

Ipc: C07C 51/255

D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee