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

Procede de purification d'acide terephtalique

Info

Publication number: FR2001960A1
Authority: FR; France
Prior art keywords: acid; catalyst; inert liquid; terephthalic acid; purificn
Prior art date: 1969-02-14
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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn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.)

1969-02-14

Filing date

1969-02-14

Publication date

1969-10-03

1969-02-14 Application filed by Celanese Corp filed Critical Celanese Corp

1969-02-14 Priority to FR6903603A priority Critical patent/FR2001960A1/fr

1969-10-03 Publication of FR2001960A1 publication Critical patent/FR2001960A1/fr

Status Withdrawn legal-status Critical Current

Links

KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 title abstract 4
239000003054 catalyst Substances 0.000 title abstract 3
239000007788 liquid Substances 0.000 title abstract 2
238000010438 heat treatment Methods 0.000 title 1
239000002253 acid Substances 0.000 abstract 5
GOUHYARYYWKXHS-UHFFFAOYSA-N 4-formylbenzoic acid Chemical compound OC(=O)C1=CC=C(C=O)C=C1 GOUHYARYYWKXHS-UHFFFAOYSA-N 0.000 abstract 2
LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 abstract 2
WOZVHXUHUFLZGK-UHFFFAOYSA-N dimethyl terephthalate Chemical compound COC(=O)C1=CC=C(C(=O)OC)C=C1 WOZVHXUHUFLZGK-UHFFFAOYSA-N 0.000 abstract 2
WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 abstract 1
206010011416 Croup infectious Diseases 0.000 abstract 1
GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 abstract 1
229910052794 bromium Inorganic materials 0.000 abstract 1
238000001816 cooling Methods 0.000 abstract 1
201000010549 croup Diseases 0.000 abstract 1
230000032050 esterification Effects 0.000 abstract 1
238000005886 esterification reaction Methods 0.000 abstract 1
238000001914 filtration Methods 0.000 abstract 1
WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 abstract 1
239000012535 impurity Substances 0.000 abstract 1
PNDPGZBMCMUPRI-UHFFFAOYSA-N iodine Chemical compound II PNDPGZBMCMUPRI-UHFFFAOYSA-N 0.000 abstract 1
239000002184 metal Substances 0.000 abstract 1
239000000203 mixture Substances 0.000 abstract 1
229920000728 polyester Polymers 0.000 abstract 1
239000007787 solid Substances 0.000 abstract 1
238000009987 spinning Methods 0.000 abstract 1

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)

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

1969
- 1969-02-14 FR FR6903603A patent/FR2001960A1/fr not_active Withdrawn

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
JPS523030A (en)	1977-01-11	Process for manufacturing high purity terephthalic acid
KR960017615A (ko)	1996-06-17	테레프탈산 수성 슬러리의 조제방법
GB1324674A (en)	1973-07-25	Separation of mixed diastereoisomers of zearalanol
FR2001960A1 (fr)	1969-10-03	Procede de purification d'acide terephtalique
GB994769A (en)	1965-06-10	Purification of terephthalic acid
GB1427783A (en)	1976-03-10	Recovery of terephthalic acid dimethylester
GB1131133A (en)	1968-10-23	Improvements in or relating to the production of unsaturated carboxylic acids
GB1353482A (en)	1974-05-15	Catalytic oxidation process for producing trimellitic acid
GB1071350A (en)	1967-06-07	Process for the preparation of high purity terephthalic acid
GB1238224A (fr)	1971-07-07
US3574727A (en)	1971-04-13	Purification of terephthalic acid
GB1200392A (en)	1970-07-29	Process for the manufacture of phenyl esters from benzene
ES425941A1 (es)	1976-06-16	Procedimiento para purificar el ester dimetilico del acido tereftalico.
JPS51127195A (en)	1976-11-05	Process for manvfactvring polyesters
AU568675B2 (en)	1988-01-07	Separating iodine from anhydrides, acids, esters
GB982629A (en)	1965-02-10	A process for the purification of terephthalic acid
JPS5291835A (en)	1977-08-02	Prepation of terephtalic acid for direct polymerization
GB1386582A (en)	1975-03-12	Process for the purification of aromatic acids by solvent extraction
US3646125A (en)	1972-02-29	Terephthalic acid purification process
US3004062A (en)	1961-10-10	Purification of phthalic acid esters
US2809926A (en)	1957-10-15	Purification of phthalic anhydride
GB932246A (en)	1963-07-24	Purification of phthalic acids
US3014064A (en)	1961-12-19	Stabilization of alcohols and esters
US3654350A (en)	1972-04-04	Purification of terephthalic acid
GB1056319A (en)	1967-01-25	Terephthalic acid recovery

Legal Events

Date	Code	Title	Description
1970-11-27	RE	Withdrawal of published application