BE772277A - Procede de purification de l'acide terephtalique - Google Patents

Procede de purification de l'acide terephtalique

Info

Publication number
BE772277A
BE772277A BE772277A BE772277A BE772277A BE 772277 A BE772277 A BE 772277A BE 772277 A BE772277 A BE 772277A BE 772277 A BE772277 A BE 772277A BE 772277 A BE772277 A BE 772277A
Authority
BE
Belgium
Prior art keywords
terephthalic acid
purification process
acid purification
terephthalic
purification
Prior art date
Application number
BE772277A
Other languages
English (en)
French (fr)
Original Assignee
Basf Ag
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 Basf Ag filed Critical Basf Ag
Publication of BE772277A publication Critical patent/BE772277A/xx

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)
BE772277A 1970-09-16 1971-09-07 Procede de purification de l'acide terephtalique BE772277A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2045747A DE2045747B2 (de) 1970-09-16 1970-09-16 Verfahren zur Reinigung von Terephthalsäure

Publications (1)

Publication Number Publication Date
BE772277A true BE772277A (fr) 1972-03-07

Family

ID=5782582

Family Applications (1)

Application Number Title Priority Date Filing Date
BE772277A BE772277A (fr) 1970-09-16 1971-09-07 Procede de purification de l'acide terephtalique

Country Status (8)

Country Link
US (1) US3799976A (xx)
BE (1) BE772277A (xx)
CA (1) CA944361A (xx)
DE (1) DE2045747B2 (xx)
FR (1) FR2105957A5 (xx)
GB (1) GB1353786A (xx)
IT (1) IT942170B (xx)
NL (1) NL7112327A (xx)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2804156C2 (de) * 1977-01-31 1982-04-08 Teijin Ltd., Osaka Verfahren zur Herstellung von Terephthalsäure
US4467110A (en) * 1981-10-29 1984-08-21 Standard Oil Company (Indiana) Process for purification of crude terephthalic acid
US4467111A (en) * 1981-10-29 1984-08-21 Standard Oil Company (Indiana) Process for purification of crude terephthalic acid
WO1997024311A1 (en) * 1995-12-30 1997-07-10 Sunkyong Industries Co., Ltd. Process for manufacturing terephthalic acid
US6639104B2 (en) * 1999-12-10 2003-10-28 Inca International S.P.A. Process for the recovery of purified terephthalic acid (PTA)
US6689903B2 (en) * 2001-06-04 2004-02-10 Eastman Chemical Company Crystallization method for production of purified aromatic dicarboxylic acids
US7485747B2 (en) * 2001-06-04 2009-02-03 Eastman Chemical Company Two stage oxidation process for the production of aromatic dicarboxylic acids
US7196215B2 (en) * 2001-06-04 2007-03-27 Eastman Chemical Company Process for the production of purified terephthalic acid
US20030120109A1 (en) * 2001-12-20 2003-06-26 Rosen Bruce I. Purification of a crude acid mixture
US7074954B2 (en) * 2002-12-09 2006-07-11 Eastman Chemical Company Process for the oxidative purification of terephthalic acid
US7161027B2 (en) * 2002-12-09 2007-01-09 Eastman Chemical Company Process for the oxidative purification of terephthalic acid
US20050256335A1 (en) * 2004-05-12 2005-11-17 Ovidiu Marin Providing gases to aromatic carboxylic acid manufacturing processes
US20050283022A1 (en) * 2004-06-18 2005-12-22 Sheppard Ronald B Filtrate preparation process for terephthalic acid filtrate treatment

Also Published As

Publication number Publication date
FR2105957A5 (xx) 1972-04-28
US3799976A (en) 1974-03-26
DE2045747B2 (de) 1978-09-07
GB1353786A (en) 1974-05-22
DE2045747A1 (xx) 1972-03-23
NL7112327A (xx) 1972-03-20
CA944361A (en) 1974-03-26
IT942170B (it) 1973-03-20

Similar Documents

Publication Publication Date Title
BE775252A (fr) Procede de preparation d'acide acrylique
BE810686A (fr) Procede de purification d'acide sulfurique use
BE775320A (fr) Procede de separation d'acide fluorhydrique
BE772277A (fr) Procede de purification de l'acide terephtalique
BE779549A (fr) Procede de purification de l'acide acrylique
BE770319A (fr) Procede de dissociation de l'acide sulfurique
BE812450A (fr) Procede de purification d'acides dicarboxyliques
BE816367A (fr) Procede de regeneration d'acide sulfurique
BE799780A (fr) Procede d'esterification de l'acide terephtalique,
FR1515778A (fr) Procédé de purification de l'acide téréphtalique
CH502293A (fr) Procédé de purification de l'acide lactique
BE776407A (fr) Procede de preparation de l'acide phenyl-1-vinylphosphorique
BE787770A (fr) Procede de preparation d'acide glyoxylique
BE780450A (fr) Procede de purification d'acide cyanurique
BE805535A (fr) Procede de deshydratation d'acide bis-maleamiques
BE764364A (fr) Procede de preparation d'acide levulinique
BE816771A (fr) Procede de purification de l'acide sorbique
BE798598A (fr) Procede de purification de l'acide phosphorique
FR2327193A1 (fr) Procede de purification de l'acide phosphorique
BE750844A (fr) Procede de purification d'acide lactique
FR95292E (fr) Procédé de purification de l'acide téréphtalique.
BE808657R (fr) Procede d'esterification de l'acide terephtalique
BE765849A (fr) Procede de preparation d'acide sulfurique
BE747408A (fr) Procede de production d'acide oxalique
BE818034A (fr) Procede de purification de l'acide nitrique