PROCESS FOR THE PRODUCTION OF PHALYTIC ANHYDRIDE IN THE PRESENCE OF A CATALYST BASED ON VANADIUM PENTOXIDE AND TITANIUM DIOXIDE CATALYST BASED ON VANADIUM PENTOXIDE AND TITANIUM DIOXIDE AND INTALATION FOR CARRYING OUT THE PROCESS

摘要

The present invention concerns a process for obtaining phthalic anhydride by oxidizing ortho-xylene, naphthalene, or mixtures of the two, in the presence of a specific catalyst with a vanadium pentoxide and titanium dioxide base, and also regards the catalyst obtained by enactment of said process.