FR2001960A1 - Procede de purification d'acide terephtalique - Google Patents

Procede de purification d'acide terephtalique

Info

Publication number
FR2001960A1
FR2001960A1 FR6903603A FR6903603A FR2001960A1 FR 2001960 A1 FR2001960 A1 FR 2001960A1 FR 6903603 A FR6903603 A FR 6903603A FR 6903603 A FR6903603 A FR 6903603A FR 2001960 A1 FR2001960 A1 FR 2001960A1
Authority
FR
France
Prior art keywords
acid
catalyst
inert liquid
terephthalic acid
purificn
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.)
Withdrawn
Application number
FR6903603A
Other languages
English (en)
Inventor
L.Stautzenberger Adin
A.Blay Jorge
R.Witt Enrique
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.)
Celanese Corp
Original Assignee
Celanese Corp
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 Celanese Corp filed Critical Celanese Corp
Priority to FR6903603A priority Critical patent/FR2001960A1/fr
Publication of FR2001960A1 publication Critical patent/FR2001960A1/fr
Withdrawn legal-status Critical Current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
    • C07C51/42Separation; Purification; Stabilisation; Use of additives
    • C07C51/43Separation; 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)
FR6903603A 1969-02-14 1969-02-14 Procede de purification d'acide terephtalique Withdrawn FR2001960A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR6903603A FR2001960A1 (fr) 1969-02-14 1969-02-14 Procede de purification d'acide terephtalique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR6903603A FR2001960A1 (fr) 1969-02-14 1969-02-14 Procede de purification d'acide terephtalique

Publications (1)

Publication Number Publication Date
FR2001960A1 true FR2001960A1 (fr) 1969-10-03

Family

ID=9029083

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6903603A Withdrawn FR2001960A1 (fr) 1969-02-14 1969-02-14 Procede de purification d'acide terephtalique

Country Status (1)

Country Link
FR (1) FR2001960A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2322125A1 (fr) * 1975-08-26 1977-03-25 Mitsubishi Chem Ind Procede de preparation d'acide terephtalique purifie
FR2431479A1 (fr) * 1978-07-21 1980-02-15 Mitsubishi Gas Chemical Co Procede pour la production d'acide terephtalique de haute purete

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2322125A1 (fr) * 1975-08-26 1977-03-25 Mitsubishi Chem Ind Procede de preparation d'acide terephtalique purifie
FR2431479A1 (fr) * 1978-07-21 1980-02-15 Mitsubishi Gas Chemical Co Procede pour la production d'acide terephtalique de haute purete

Similar Documents

Publication Publication Date Title
KR960017615A (ko) 테레프탈산 수성 슬러리의 조제방법
GB1324674A (en) Separation of mixed diastereoisomers of zearalanol
FR2001960A1 (fr) Procede de purification d'acide terephtalique
GB1427783A (en) Recovery of terephthalic acid dimethylester
GB1131133A (en) Improvements in or relating to the production of unsaturated carboxylic acids
GB1353786A (en) Purification of terephtalic acid
GB994769A (en) Purification of terephthalic acid
GB1353482A (en) Catalytic oxidation process for producing trimellitic acid
GB1071350A (en) Process for the preparation of high purity terephthalic acid
GB1238224A (fr)
US3574727A (en) Purification of terephthalic acid
GB1200392A (en) Process for the manufacture of phenyl esters from benzene
ES425941A1 (es) Procedimiento para purificar el ester dimetilico del acido tereftalico.
US2971011A (en) Process of preparing trimellitic anhydride
JPS51127195A (en) Process for manvfactvring polyesters
JPS5291835A (en) Prepation of terephtalic acid for direct polymerization
GB1386582A (en) Process for the purification of aromatic acids by solvent extraction
AU3263784A (en) Separating iodine from anhydrides, acids, esters
US3004062A (en) Purification of phthalic acid esters
US2809926A (en) Purification of phthalic anhydride
GB982629A (en) A process for the purification of terephthalic acid
US3014064A (en) Stabilization of alcohols and esters
US3654350A (en) Purification of terephthalic acid
GB1056319A (en) Terephthalic acid recovery
US3008981A (en) Purification of esters

Legal Events

Date Code Title Description
RE Withdrawal of published application