DE1593539B2 - Verfahren zur gewinnung von aromatischen di- und polycarbonsaeuren - Google Patents

Verfahren zur gewinnung von aromatischen di- und polycarbonsaeuren

Info

Publication number
DE1593539B2
DE1593539B2 DE1966ST025410 DEST025410A DE1593539B2 DE 1593539 B2 DE1593539 B2 DE 1593539B2 DE 1966ST025410 DE1966ST025410 DE 1966ST025410 DE ST025410 A DEST025410 A DE ST025410A DE 1593539 B2 DE1593539 B2 DE 1593539B2
Authority
DE
Germany
Prior art keywords
terephthalic acid
line
solution
catalyst
crystallization
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.)
Granted
Application number
DE1966ST025410
Other languages
German (de)
English (en)
Other versions
DE1593539A1 (de
Inventor
George Peter Whiting; Zimmerschied Wilford John Crown Point; Ind. Olsen (V.StA.) früherDPK12ol4
Original Assignee
Standard Oil Co., Chicago, JJl. (V.St.A.)
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 Standard Oil Co., Chicago, JJl. (V.St.A.) filed Critical Standard Oil Co., Chicago, JJl. (V.St.A.)
Publication of DE1593539A1 publication Critical patent/DE1593539A1/de
Publication of DE1593539B2 publication Critical patent/DE1593539B2/de
Granted 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
    • C07C51/487—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DE1966ST025410 1965-05-17 1966-05-17 Verfahren zur gewinnung von aromatischen di- und polycarbonsaeuren Granted DE1593539B2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US45621465A 1965-05-17 1965-05-17

Publications (2)

Publication Number Publication Date
DE1593539A1 DE1593539A1 (de) 1970-12-10
DE1593539B2 true DE1593539B2 (de) 1977-03-10

Family

ID=23811917

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1966ST025410 Granted DE1593539B2 (de) 1965-05-17 1966-05-17 Verfahren zur gewinnung von aromatischen di- und polycarbonsaeuren

Country Status (8)

Country Link
AT (1) AT288360B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE (1) BE681178A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CH (1) CH448048A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE1593539B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
ES (1) ES326851A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1152577A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (1) NL6606728A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
SE (1) SE344741B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3301995A1 (de) * 1982-01-23 1983-08-18 Mitsubishi Gas Chemical Co., Inc., Tokyo Verfahren zur kristallisation von trimellithsaeure

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4626598A (en) * 1985-06-17 1986-12-02 Amoco Corporation Purification of terephthalic acid
US20030120109A1 (en) * 2001-12-20 2003-06-26 Rosen Bruce I. Purification of a crude acid mixture
BR0316462A (pt) 2002-12-09 2005-10-11 Eastman Chem Co Processos para reduzir uma suspensão de ácido carboxìlico purificado, para purificar um produto de oxidação em estágios, para produzir um produto de ácido carboxìlico purificado, e, suspensão de ácido carboxìlico purificado
US7074954B2 (en) 2002-12-09 2006-07-11 Eastman Chemical Company Process for the oxidative purification of terephthalic acid
US7132566B2 (en) 2003-09-22 2006-11-07 Eastman Chemical Company Process for the purification of a crude carboxylic acid slurry
US7546747B2 (en) 2004-01-15 2009-06-16 Eastman Chemical Company Process for production of a dried carboxylic acid cake suitable for use in polyester production
US8455680B2 (en) 2008-01-15 2013-06-04 Eastman Chemical Company Carboxylic acid production process employing solvent from esterification of lignocellulosic material
US8614350B2 (en) 2008-01-15 2013-12-24 Eastman Chemical Company Carboxylic acid production process employing solvent from esterification of lignocellulosic material

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3301995A1 (de) * 1982-01-23 1983-08-18 Mitsubishi Gas Chemical Co., Inc., Tokyo Verfahren zur kristallisation von trimellithsaeure

Also Published As

Publication number Publication date
SE344741B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1972-05-02
AT288360B (de) 1971-03-10
NL6606728A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1966-11-18
ES326851A1 (es) 1967-07-01
DE1593539A1 (de) 1970-12-10
CH448048A (fr) 1967-12-15
GB1152577A (en) 1969-05-21
BE681178A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1966-10-31

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
E77 Valid patent as to the heymanns-index 1977