GB2018252A - Process for the purification of terephthalic acid - Google Patents

Process for the purification of terephthalic acid

Info

Publication number
GB2018252A
GB2018252A GB7903340A GB7903340A GB2018252A GB 2018252 A GB2018252 A GB 2018252A GB 7903340 A GB7903340 A GB 7903340A GB 7903340 A GB7903340 A GB 7903340A GB 2018252 A GB2018252 A GB 2018252A
Authority
GB
United Kingdom
Prior art keywords
terephthalic acid
purification
catalyst
solution
weight
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
GB7903340A
Other versions
GB2018252B (en
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.)
DRUZHBY NARODOV IM PATRISA LUMUMBY, University of
DRUZHBY NARODOV, University of
INST NEFTECHIMICHESKOGO SINTEZ
AV Topchiev Institute of Petrochemical Synthesis
Original Assignee
DRUZHBY NARODOV IM PATRISA LUMUMBY, University of
DRUZHBY NARODOV, University of
INST NEFTECHIMICHESKOGO SINTEZ
AV Topchiev Institute of Petrochemical Synthesis
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 DRUZHBY NARODOV IM PATRISA LUMUMBY, University of, DRUZHBY NARODOV, University of, INST NEFTECHIMICHESKOGO SINTEZ, AV Topchiev Institute of Petrochemical Synthesis filed Critical DRUZHBY NARODOV IM PATRISA LUMUMBY, University of
Publication of GB2018252A publication Critical patent/GB2018252A/en
Application granted granted Critical
Publication of GB2018252B publication Critical patent/GB2018252B/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
    • C07C51/42—Separation; Purification; Stabilisation; Use of additives
    • C07C51/487—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification

Abstract

A process for the purification of terephthalic acid to remove organic impurities therefrom comprises hydrogenating a 10 to 30% aqueous solution of terephthalic acid containing organic impurities at a temperature of from 210 to 320 DEG C under a pressure such that the solution is maintained in the liquid state in the presence of a catalyst made of an alloy consisting of 90 to 98% by weight of palladium and 2 to 10% by weight of ruthenium, the catalyst being in the form of a membrane and hydrogen for the hydrogenation being supplied to the terephthalic acid solution through the membrane catalyst under a pressure of from 10 to 150 atm.
GB7903340A 1978-04-05 1979-01-31 Process for the purification of terephthalic acid Expired GB2018252B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU782602296A SU764314A1 (en) 1978-04-05 1978-04-05 Process for purifying terephthalic acid

Publications (2)

Publication Number Publication Date
GB2018252A true GB2018252A (en) 1979-10-17
GB2018252B GB2018252B (en) 1982-08-11

Family

ID=20758738

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7903340A Expired GB2018252B (en) 1978-04-05 1979-01-31 Process for the purification of terephthalic acid

Country Status (5)

Country Link
JP (1) JPS54132543A (en)
DE (1) DE2904227C2 (en)
FR (1) FR2421863A1 (en)
GB (1) GB2018252B (en)
SU (1) SU764314A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8071503B2 (en) 2006-07-27 2011-12-06 Johnson Matthey Public Limited Company Catalyst
US20150183709A1 (en) * 2013-12-30 2015-07-02 Bp Corporation North America Inc. Pressurized Crude Aromatic Carboxylic Acid Feed Mixes

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3114240C2 (en) * 1981-04-08 1984-11-08 Institut neftechimičeskogo sinteza imeni A.V. Topčieva Akademii Nauk SSSR, Moskva Process for the production of alkenols

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3584039A (en) * 1967-08-30 1971-06-08 Standard Oil Co Fiber-grade terephthalic acid by catalytic hydrogen treatment of dissolved impure terephthalic acid
GB1578725A (en) * 1977-03-02 1980-11-05 Johnson Matthey Co Ltd Catalytic process for the purification of terephthalic acid

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8071503B2 (en) 2006-07-27 2011-12-06 Johnson Matthey Public Limited Company Catalyst
US20150183709A1 (en) * 2013-12-30 2015-07-02 Bp Corporation North America Inc. Pressurized Crude Aromatic Carboxylic Acid Feed Mixes
CN105873892A (en) * 2013-12-30 2016-08-17 Bp北美公司 Purification of aromatic carboxylic acids
US9422219B2 (en) * 2013-12-30 2016-08-23 Bp Corporation North America Inc. Pressurized crude aromatic carboxylic acid feed mixes

Also Published As

Publication number Publication date
SU764314A1 (en) 1983-02-15
DE2904227C2 (en) 1982-10-28
JPS5632319B2 (en) 1981-07-27
FR2421863A1 (en) 1979-11-02
DE2904227A1 (en) 1979-10-31
JPS54132543A (en) 1979-10-15
FR2421863B1 (en) 1983-01-28
GB2018252B (en) 1982-08-11

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee