DE1259326B - Verfahren zur Gewinnung reiner Terephthalsaeure - Google Patents

Verfahren zur Gewinnung reiner Terephthalsaeure

Info

Publication number
DE1259326B
DE1259326B DEC36516A DEC0036516A DE1259326B DE 1259326 B DE1259326 B DE 1259326B DE C36516 A DEC36516 A DE C36516A DE C0036516 A DEC0036516 A DE C0036516A DE 1259326 B DE1259326 B DE 1259326B
Authority
DE
Germany
Prior art keywords
terephthalic acid
oxidation
xylene
acid
water
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.)
Pending
Application number
DEC36516A
Other languages
German (de)
English (en)
Inventor
Dipl-Chem Ewald Katzschmann
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.)
Chemische Werke Witten GmbH
Original Assignee
Chemische Werke Witten GmbH
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
Priority to DENDAT1251735D priority Critical patent/DE1251735B/de
Application filed by Chemische Werke Witten GmbH filed Critical Chemische Werke Witten GmbH
Priority to DEC36516A priority patent/DE1259326B/de
Priority to LU50543A priority patent/LU50543A1/xx
Priority to AT444466A priority patent/AT266093B/de
Priority to NL6609738A priority patent/NL6609738A/xx
Priority to FI661921A priority patent/FI44386C/fi
Priority to FI661923A priority patent/FI45550C/fi
Priority to ES0329474A priority patent/ES329474A1/es
Priority to CH1071766A priority patent/CH466259A/de
Priority to CH1071866A priority patent/CH539013A/de
Priority to SE10197/66A priority patent/SE343850B/xx
Priority to GB33736/66A priority patent/GB1155589A/en
Priority to BE684645D priority patent/BE684645A/xx
Priority to DK390366AA priority patent/DK125196B/da
Priority to DK390266AA priority patent/DK118234B/da
Priority to FR71203A priority patent/FR1487936A/fr
Priority to NL6610623A priority patent/NL6610623A/xx
Priority to US568385A priority patent/US3513193A/en
Publication of DE1259326B publication Critical patent/DE1259326B/de
Pending 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/582—Recycling of unreacted starting or intermediate materials

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DEC36516A 1965-07-28 1965-07-28 Verfahren zur Gewinnung reiner Terephthalsaeure Pending DE1259326B (de)

Priority Applications (18)

Application Number Priority Date Filing Date Title
DENDAT1251735D DE1251735B (de) 1965-07-28 Veifahren zur Gewinnung von reiner Terephthalsäure
DEC36516A DE1259326B (de) 1965-07-28 1965-07-28 Verfahren zur Gewinnung reiner Terephthalsaeure
LU50543A LU50543A1 (xx) 1965-07-28 1966-02-28
AT444466A AT266093B (de) 1965-07-28 1966-05-11 Verfahren zur Isolierung von Terephthalsäure
NL6609738A NL6609738A (xx) 1965-07-28 1966-07-12
FI661921A FI44386C (fi) 1965-07-28 1966-07-18 Menetelmä puhtaan tereftaalihapon talteenottamiseksi
FI661923A FI45550C (fi) 1965-07-28 1966-07-19 Menetelmä puhtaan tereftaalihapon talteenottamiseksi.
ES0329474A ES329474A1 (es) 1965-07-28 1966-07-23 Un procedimiento para la fabricacion de acido tereftalico a partir de productos oxidados.
CH1071866A CH539013A (de) 1965-07-28 1966-07-25 Verfahren zur Herstellung von Terephthalsäure
CH1071766A CH466259A (de) 1965-07-28 1966-07-25 Verfahren zur Herstellung von Terephthalsäure
SE10197/66A SE343850B (xx) 1965-07-28 1966-07-26
GB33736/66A GB1155589A (en) 1965-07-28 1966-07-27 Improved process for the production of Terephthalic Acid
BE684645D BE684645A (xx) 1965-07-28 1966-07-27
DK390366AA DK125196B (da) 1965-07-28 1966-07-27 Fremgangsmåde ved fremstilling af tereftalsyre.
DK390266AA DK118234B (da) 1965-07-28 1966-07-27 Fremgangsmåde ved fremstilling af tereftalsyre.
FR71203A FR1487936A (fr) 1965-07-28 1966-07-28 Procédé de préparation de l'acide téréphtalique
NL6610623A NL6610623A (xx) 1965-07-28 1966-07-28
US568385A US3513193A (en) 1965-07-28 1966-07-28 Process for the preparation of terephthalic acid

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEC36516A DE1259326B (de) 1965-07-28 1965-07-28 Verfahren zur Gewinnung reiner Terephthalsaeure
DEC0036517 1965-07-28

Publications (1)

Publication Number Publication Date
DE1259326B true DE1259326B (de) 1968-01-25

Family

ID=25970100

Family Applications (2)

Application Number Title Priority Date Filing Date
DENDAT1251735D Pending DE1251735B (de) 1965-07-28 Veifahren zur Gewinnung von reiner Terephthalsäure
DEC36516A Pending DE1259326B (de) 1965-07-28 1965-07-28 Verfahren zur Gewinnung reiner Terephthalsaeure

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DENDAT1251735D Pending DE1251735B (de) 1965-07-28 Veifahren zur Gewinnung von reiner Terephthalsäure

Country Status (11)

Country Link
BE (1) BE684645A (xx)
CH (2) CH466259A (xx)
DE (2) DE1259326B (xx)
DK (2) DK125196B (xx)
ES (1) ES329474A1 (xx)
FI (2) FI44386C (xx)
FR (1) FR1487936A (xx)
GB (1) GB1155589A (xx)
LU (1) LU50543A1 (xx)
NL (1) NL6609738A (xx)
SE (1) SE343850B (xx)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2010137C3 (de) * 1970-03-04 1979-07-05 Dynamit Nobel Ag, 5210 Troisdorf Verfahren zur Herstellung von Terephthalsauredimethylester
US3883584A (en) * 1971-11-25 1975-05-13 Teijin Ltd Process for the preparation of terephthalic acid
DE2804156C2 (de) * 1977-01-31 1982-04-08 Teijin Ltd., Osaka Verfahren zur Herstellung von Terephthalsäure
ES2104512B1 (es) * 1995-09-21 1998-07-01 Interquisa Procedimiento industrial para la fabricacion de acidos carboxilicos aromaticos.

Also Published As

Publication number Publication date
NL6609738A (xx) 1967-01-30
ES329474A1 (es) 1967-05-16
FR1487936A (fr) 1967-07-07
DE1251735B (de) 1967-10-12
SE343850B (xx) 1972-03-20
CH466259A (de) 1968-12-15
CH539013A (de) 1973-07-15
BE684645A (xx) 1967-01-27
FI44386B (xx) 1971-08-02
LU50543A1 (xx) 1966-04-28
DK118234B (da) 1970-07-27
FI44386C (fi) 1971-11-10
GB1155589A (en) 1969-06-18
FI45550B (xx) 1972-04-04
DK125196B (da) 1973-01-15
FI45550C (fi) 1972-07-10

Similar Documents

Publication Publication Date Title
EP0808815A2 (de) Verfahren zur Herstellung von trimethylhydrochinon
DE1226560B (de) Verfahren zur Herstellung von Butylenglykoldiacetaten
DE1259326B (de) Verfahren zur Gewinnung reiner Terephthalsaeure
DE1003714B (de) Verfahren zum Abbau von Polyaethylenterephthalat zu Terephthalsaeuredimethylester
AT260912B (de) Verfahren zur Isolierung von Terephthalsäure
EP0008099B1 (de) Verfahren zur Herstellung von Carbonsäureestern vicinaler Glykole
DE949564C (de) Verfahren zur Herstellung von Terephthalsaeuremonomethylester
DE1927554C3 (xx)
DE1111163B (de) Verfahren zur Herstellung von Gemischen aus ª‡, ª‡, ª†- und ª‡, ª†, ª†-Trimethyladipinsaeure
DE1246708B (de) Verfahren zur Herstellung von Bis-(beta-hydroxyaethyl)-terephthalat
DE2115944B2 (de) Verfahren zur herstellung von o-sulfobenzimiden
DE875193C (de) Verfahren zur Herstellung organischer sauerstoffhaltiger Verbindungen
AT266093B (de) Verfahren zur Isolierung von Terephthalsäure
DE1091556B (de) Verfahren zur Herstellung von Benzoldicarbonsaeureestern
EP0095698A1 (de) Verfahren zur Herstellung von Terephthalsäure- und Isophthalsäuredichlorid
DE2310824C3 (de) Verfahren zur Gewinnung von Dimethylterephthalat und dessen Zwischenprodukten
DE1238003B (de) Verfahren zur Reinigung von Benzodinitrilen
DE3545583A1 (de) Verfahren zur herstellung organischer ester aus halogenkohlenstoffverbindungen
DE1618510C3 (de) Kontinuierliches Verfahren zur Oxydation von Cyclohexan in Gegenwart von Borverbindungen
DE2355415B2 (de) Verfahren zur herstellung von terephthalsaeure
DE1261851B (de) Verfahren zur Herstellung von Esterwachsen
EP0907645B1 (de) Verfahren zur reinigung von phthalid
DE1668383C3 (de) Verfahren zum Reinigen von rohem Dimethylterephthalat
DE1948374C3 (de) Verfahren zur Gewinnung von aromatischen Polycarbonsäuren
DE977649C (de) Verfahren zur Herstellung von Terephthalsaeure