NL7603780A - PROCESS FOR PREPARING TEREPHALIC ACID. - Google Patents

PROCESS FOR PREPARING TEREPHALIC ACID.

Info

Publication number
NL7603780A
NL7603780A NL7603780A NL7603780A NL7603780A NL 7603780 A NL7603780 A NL 7603780A NL 7603780 A NL7603780 A NL 7603780A NL 7603780 A NL7603780 A NL 7603780A NL 7603780 A NL7603780 A NL 7603780A
Authority
NL
Netherlands
Prior art keywords
preparing
terephalic acid
terephalic
acid
preparing terephalic
Prior art date
Application number
NL7603780A
Other languages
Dutch (nl)
Original Assignee
Ici 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
Priority claimed from GB14964/75A external-priority patent/GB1511181A/en
Application filed by Ici Ltd filed Critical Ici Ltd
Publication of NL7603780A publication Critical patent/NL7603780A/en

Links

Classifications

    • 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
    • B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
    • B01J27/06—Halogens; Compounds thereof
    • B01J27/08—Halides
    • 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)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
NL7603780A 1975-04-11 1976-04-09 PROCESS FOR PREPARING TEREPHALIC ACID. NL7603780A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB14964/75A GB1511181A (en) 1975-04-11 1975-04-11 Preparation of terephthalic acid by oxidation of p-xylene
GB3320475 1975-08-08

Publications (1)

Publication Number Publication Date
NL7603780A true NL7603780A (en) 1976-10-13

Family

ID=26250923

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7603780A NL7603780A (en) 1975-04-11 1976-04-09 PROCESS FOR PREPARING TEREPHALIC ACID.

Country Status (5)

Country Link
JP (1) JPS6050775B2 (en)
DE (1) DE2615657A1 (en)
FR (1) FR2306967A1 (en)
IT (1) IT1063362B (en)
NL (1) NL7603780A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1595974A (en) * 1977-04-07 1981-08-19 Ici Ltd Recovering catalyst values
GB1595904A (en) * 1977-04-25 1981-08-19 Ici Ltd Recovery catalyst values
DE2856529C2 (en) * 1977-12-28 1982-09-09 Mitsui Petrochemical Industries Ltd., Tokyo Process for the production of terephthalic acid
NL7900151A (en) * 1978-01-13 1979-07-17 Ici Ltd OXIDATION PROCESS.
JPS54160330A (en) * 1978-06-05 1979-12-19 Kuraray Yuka Kk Preparation of high-purity terephthalic acid of stable quality
CN101622218B (en) * 2007-02-28 2013-08-07 株式会社日立工业设备技术 Process for producing crude aromatic dicarboxylic acid to be fed to hydrogenation purification

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2113424A5 (en) * 1970-11-01 1972-06-23 Maruzen Oil Co Ltd
JPS5328419B1 (en) * 1971-04-26 1978-08-15
JPS5328421B2 (en) * 1973-05-15 1978-08-15
JPS5328901B2 (en) * 1973-07-28 1978-08-17

Also Published As

Publication number Publication date
DE2615657C2 (en) 1989-05-24
JPS51127037A (en) 1976-11-05
IT1063362B (en) 1985-02-11
DE2615657A1 (en) 1976-10-21
FR2306967A1 (en) 1976-11-05
FR2306967B1 (en) 1980-07-25
JPS6050775B2 (en) 1985-11-11

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Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
A85 Still pending on 85-01-01
BV The patent application has lapsed