METHOD FOR PREPARING CARBOXYLIC ACIDS

The present invention relates to a method for preparing carboxylic acids comprising the step of contacting an aromatic hydrocarbon comprising at least one group including an alpha C-atom that is oxidizable to a carboxylic group in liquid phase with an oxygen containing gas in the presence of a heter...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	GARIN AINARA AGUADERO, GARCIA FIERRO JOSE LUIS, ALONSO ALONSO JOSE ANTONIO, AI-ZAHRANI SAEED MOHAMMED, RICHENI HORACIO FALCON, CAMPOS MARTIN JOSE MIGUEL
Format:	Patent
Sprache:	eng
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS CHEMISTRY METALLURGY ORGANIC CHEMISTRY
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Beschreibung
Zusammenfassung:	The present invention relates to a method for preparing carboxylic acids comprising the step of contacting an aromatic hydrocarbon comprising at least one group including an alpha C-atom that is oxidizable to a carboxylic group in liquid phase with an oxygen containing gas in the presence of a heterogeneous catalyst with perovskite structure ABO3 with A being selected from at least one element of groups 1 to 3 of the Periodic Table, lanthanides or actinides, and B being selected from at least one element of the groups 4 to 15 of the periodic table or an oxygen-defective derivative of that catalyst having the formula ABO3-delta with 0