A PROCESS FOR PRODUCING AROMATIC DICARBOXYLIC ACIDS

A PROCESS FOR PRODUCING AROMATIC DICARBOXYLIC ACIDS

The present disclosure provides a process for preparing an aromatic dicarboxylic acid, particularly terephthalic acid; said process comprising oxidizing p-xylene with an oxidizing agent in the presence of a carboxylic acid solvent, at least one catalyst and at least one ionic liquid. La présente inv...

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Bibliographische Detailangaben
Hauptverfasser: UPPARA, PARASU VEERA, RATNAPARKHI, UDAY, ADURI, PAVANKUMAR, JAIN, SURESH SHANTILAL
Format: Patent
Sprache:eng ; fre
Schlagworte:
ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
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Beschreibung
Zusammenfassung:The present disclosure provides a process for preparing an aromatic dicarboxylic acid, particularly terephthalic acid; said process comprising oxidizing p-xylene with an oxidizing agent in the presence of a carboxylic acid solvent, at least one catalyst and at least one ionic liquid. La présente invention concerne un procédé de préparation d'un acide dicarboxylique aromatique, en particulier l'acide téréphtalique; ledit procédé comprenant l'oxydation de p-xylène avec un agent oxydant en présence d'un solvant acide carboxylique, d'au moins un catalyseur et d'au moins un liquide ionique.