BE631757A - - Google Patents

Info

Publication number
BE631757A
BE631757A BE631757DA BE631757A BE 631757 A BE631757 A BE 631757A BE 631757D A BE631757D A BE 631757DA BE 631757 A BE631757 A BE 631757A
Authority
BE
Belgium
Prior art keywords
acid
oxidation
product
purified
pressure
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE631757A publication Critical patent/BE631757A/fr

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)
BE631757D BE631757A (es)

Publications (1)

Publication Number Publication Date
BE631757A true BE631757A (es)

Family

ID=200078

Family Applications (1)

Application Number Title Priority Date Filing Date
BE631757D BE631757A (es)

Country Status (1)

Country Link
BE (1) BE631757A (es)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2306966A1 (fr) * 1975-04-11 1976-11-05 Ici Ltd Procede de production de l'acide terephtalique par oxydation catalytique du p-xylene

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2306966A1 (fr) * 1975-04-11 1976-11-05 Ici Ltd Procede de production de l'acide terephtalique par oxydation catalytique du p-xylene

Similar Documents

Publication Publication Date Title
US9169189B2 (en) Process for oxidizing alkyl aromatic compounds
US20070179312A1 (en) Process for the purification of a crude carboxylic axid slurry
JP2006509044A (ja) 粗製カルボン酸スラリーの精製方法
FR2478627A1 (fr) Procede de production et de recuperation d'acide terephtalique
FR2501673A1 (fr) Procede continu de production d'acide terephtalique
FR2722783A1 (fr) Procede de preparation d'acide adipique par oxydattion directe du cyclohexane et recyclage du catalyseur
FR2473903A1 (fr) Procede de recuperation de catalyseurs
RU2529902C2 (ru) Способ получения терефталевой кислоты
JPH06509823A (ja) 芳香族カルボン酸の製造方法
JP2006509045A (ja) テレフタル酸の酸化精製方法
EP1060157B1 (fr) Procede de separation et de purification de l'acide adipique
FR2846651A1 (fr) Procede de fabrication d'acides carboxyliques
BE631757A (es)
FR2570073A1 (fr) Procede de preparation d'acide 2,6-naphtalene-dicarboxylique
CH652710A5 (fr) Procede de recuperation et de purification de derives d'acides phenoxybenzoiques.
WO2001066502A1 (fr) Procede d'oxydation d'hydrocarbures en acides
FR2595692A1 (fr) Procede pour la production d'acide naphtalenedicarboxylique en meme temps que d'acide trimellitique
FR2588864A1 (fr) Procede de production d'acide 2,6-naphtalenedicarboxylique
BE560193A (es)
EP1492754B1 (fr) Procede de fabrication d'acides carboxyliques
BE631761A (es)
US3592848A (en) Method of purifying terephthalic acid
BE562047A (es)
FR2588859A1 (fr) Procede pour la production du di(hydroxy-2 propyl-2)-2,6 naphtalene
EP1114019A1 (fr) Procede de separation et de purification de l'acide carboxylique issu de l'oxydation directe d'un hydrocarbure