FR1464175A - Procédé de purification de l'acide téréphtalique - Google Patents

Procédé de purification de l'acide téréphtalique

Info

Publication number
FR1464175A
FR1464175A FR39719A FR39719A FR1464175A FR 1464175 A FR1464175 A FR 1464175A FR 39719 A FR39719 A FR 39719A FR 39719 A FR39719 A FR 39719A FR 1464175 A FR1464175 A FR 1464175A
Authority
FR
France
Prior art keywords
terephthalic acid
purification process
acid purification
terephthalic
purification
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
FR39719A
Other languages
English (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.)
Sumitomo Chemical Co Ltd
Original Assignee
Sumitomo Chemical Co 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 Sumitomo Chemical Co Ltd filed Critical Sumitomo Chemical Co Ltd
Application granted granted Critical
Publication of FR1464175A publication Critical patent/FR1464175A/fr
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
    • C07C51/43—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
FR39719A 1964-11-25 1965-11-25 Procédé de purification de l'acide téréphtalique Expired FR1464175A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6652764 1964-11-25

Publications (1)

Publication Number Publication Date
FR1464175A true FR1464175A (fr) 1966-12-30

Family

ID=13318417

Family Applications (1)

Application Number Title Priority Date Filing Date
FR39719A Expired FR1464175A (fr) 1964-11-25 1965-11-25 Procédé de purification de l'acide téréphtalique

Country Status (4)

Country Link
US (1) US3465035A (fr)
DE (1) DE1256210B (fr)
FR (1) FR1464175A (fr)
GB (1) GB1085929A (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4263452A (en) * 1979-06-12 1981-04-21 Mitsubishi Gas Chemical Company, Inc. Process for purifying terephthalic acid
US4808751A (en) * 1988-03-29 1989-02-28 Amoco Corporation Method for reactivating a group VIII noble metal catalyst for use in the purification of crude terephthalic acid
US5767311A (en) * 1995-06-07 1998-06-16 Glitsch International, Inc. Method and apparatus for preparing purified terephtalic acid
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
CN114478234B (zh) * 2022-02-09 2023-03-31 河北海力恒远新材料股份有限公司 一种4-氯代邻苯二甲酸单钠盐粗品的精制方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1945246A (en) * 1930-09-26 1934-01-30 Selden Co Separation of organic dibasic acids
US2745872A (en) * 1952-12-24 1956-05-15 California Research Corp Isophthalic acid and terephthalic acid separation
GB989438A (en) * 1961-03-09 1965-04-14 Toyo Rayon Co Ltd Process for purifying terephthalic acid
DE1136999B (de) * 1961-06-10 1962-09-27 Basf Ag Verfahren zur Gewinnung von reiner Terephthalsaeure
US3247246A (en) * 1961-11-06 1966-04-19 Standard Oil Co Cyclic process for production of terephthalic acid

Also Published As

Publication number Publication date
GB1085929A (en) 1967-10-04
DE1256210B (de) 1967-12-14
US3465035A (en) 1969-09-02

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