GB777782A - Purification of terephthalic acid - Google Patents

Purification of terephthalic acid

Info

Publication number
GB777782A
GB777782A GB18279/55A GB1827955A GB777782A GB 777782 A GB777782 A GB 777782A GB 18279/55 A GB18279/55 A GB 18279/55A GB 1827955 A GB1827955 A GB 1827955A GB 777782 A GB777782 A GB 777782A
Authority
GB
United Kingdom
Prior art keywords
acid
terephthalic acid
purification
alkali
mineral
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
GB18279/55A
Other languages
English (en)
Inventor
James Walter Stimpson
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.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial 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 Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Priority to GB18279/55A priority Critical patent/GB777782A/en
Priority to NL207342A priority patent/NL94268C/nl
Priority to DEI11744A priority patent/DE1082899B/de
Priority to FR1153232D priority patent/FR1153232A/fr
Priority to BE548960A priority patent/BE548960A/fr
Publication of GB777782A publication Critical patent/GB777782A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/02Preparation of carboxylic acids or their salts, halides or anhydrides from salts of carboxylic acids
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42Separation; Purification; Stabilisation; Use of additives
    • C07C51/487Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification

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)
GB18279/55A 1955-06-24 1955-06-24 Purification of terephthalic acid Expired GB777782A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
GB18279/55A GB777782A (en) 1955-06-24 1955-06-24 Purification of terephthalic acid
NL207342A NL94268C (nl) 1955-06-24 1956-05-23 Werkwijze voor het zuiveren van tereftaalzuur
DEI11744A DE1082899B (de) 1955-06-24 1956-05-28 Verfahren zur Reinigung von Terephthalsaeure
FR1153232D FR1153232A (fr) 1955-06-24 1956-06-08 Purification de l'acide téréphtalique
BE548960A BE548960A (fr) 1955-06-24 1956-06-23 Purification de l'acide terephtalique.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB18279/55A GB777782A (en) 1955-06-24 1955-06-24 Purification of terephthalic acid

Publications (1)

Publication Number Publication Date
GB777782A true GB777782A (en) 1957-06-26

Family

ID=10109742

Family Applications (1)

Application Number Title Priority Date Filing Date
GB18279/55A Expired GB777782A (en) 1955-06-24 1955-06-24 Purification of terephthalic acid

Country Status (5)

Country Link
BE (1) BE548960A (nl)
DE (1) DE1082899B (nl)
FR (1) FR1153232A (nl)
GB (1) GB777782A (nl)
NL (1) NL94268C (nl)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1089746B (de) * 1957-06-28 1960-09-29 Ici Ltd Verfahren zur Reinigung von Terephthalsaeure
DE1117100B (de) * 1958-11-18 1961-11-16 Chemstrand Corp Verfahren zur Reinigung von Iso- und bzw. oder Terephthalsaeure
US3047621A (en) * 1962-07-31 Purification of phthalic acids
US3095445A (en) * 1959-07-16 1963-06-25 Standard Oil Co Cyclic process for reuse of sulfur dioxide in the purification of aromatic dicarboxylic acids
US3115521A (en) * 1960-04-29 1963-12-24 Standard Oil Co Aromatic acid purification
US3205260A (en) * 1960-03-02 1965-09-07 Montedison Spa Process for the purification of terephthalic acid
US3243457A (en) * 1963-04-05 1966-03-29 Teijin Ltd Process for producing purified terephthalic acid
DE1242211B (de) * 1961-04-25 1967-06-15 Monsanto Co Verfahren zur kontinuerlichen Gewinnung reiner Benzoldicarbonsaeuren

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2991028B1 (fr) 2012-05-25 2014-07-04 Snecma Virole de chambre de combustion de turbomachine

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB695170A (en) * 1950-09-07 1953-08-05 Bofors Ab Method of purifying organic compounds

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3047621A (en) * 1962-07-31 Purification of phthalic acids
DE1089746B (de) * 1957-06-28 1960-09-29 Ici Ltd Verfahren zur Reinigung von Terephthalsaeure
DE1117100B (de) * 1958-11-18 1961-11-16 Chemstrand Corp Verfahren zur Reinigung von Iso- und bzw. oder Terephthalsaeure
US3095445A (en) * 1959-07-16 1963-06-25 Standard Oil Co Cyclic process for reuse of sulfur dioxide in the purification of aromatic dicarboxylic acids
US3205260A (en) * 1960-03-02 1965-09-07 Montedison Spa Process for the purification of terephthalic acid
US3115521A (en) * 1960-04-29 1963-12-24 Standard Oil Co Aromatic acid purification
DE1242211B (de) * 1961-04-25 1967-06-15 Monsanto Co Verfahren zur kontinuerlichen Gewinnung reiner Benzoldicarbonsaeuren
US3243457A (en) * 1963-04-05 1966-03-29 Teijin Ltd Process for producing purified terephthalic acid

Also Published As

Publication number Publication date
FR1153232A (fr) 1958-03-04
BE548960A (fr) 1959-11-20
NL94268C (nl) 1960-05-16
DE1082899B (de) 1960-06-09

Similar Documents

Publication Publication Date Title
GB777782A (en) Purification of terephthalic acid
ES339798A1 (es) Procedimiento para purificar alumina.
GB742195A (en) Improvements in or relating to the pickling of ferrous metals
GB400413A (en) Process for the production of lactic acid
GB905817A (en) Improvements in the purification of citric acid
GB825359A (en) Process for the purification of alcohols
GB915510A (en) Improvements in or relating to the production of trialkyladipic acids
GB875111A (en) A process for the production of chromium trioxide
ES282992A1 (es) Procedimiento para recuperar melamina
GB813819A (en) Process for preparing nickel carbonyl
GB880432A (en) A process for the purification of crude dimethyl terephthalate which has been recovered by the depolymerisation of polythylene terephthalate
GB785051A (en) Purification of terephthalic acid
GB640577A (en) Improvements relating to the production of iridium
GB935635A (en) Continuous production of anhydrous alkali sulphite
GB807689A (en) Process of producing asparagine
GB746413A (en) Method of recovering para-nitrochlorobenzene
GB913850A (en) Process for recovering naphthalene with a solidification point above 78íµ. from tar oil fractions
GB925380A (en) Improvements in the production of galactose
GB329389A (en) Improvements in the manufacture and production of pure benzoic acid
GB761371A (en) Improvements in or relating to the manufacture of sodium perborate
GB851006A (en) Glycerol
GB765514A (en) Process for the purification of diphenylol propane
GB750496A (en) Improvements in or relating to spent pickling acids
GB830691A (en) Manufacture of terephthalic acid-glycol esters suitable for polycondensation
GB762205A (en) Purification of acrylonitrile