Oxidation of toluene to benzoic acid over modified V2O5-TiO2 catalyst with SeO2, TeO2 and Sb2O3

It was found that the addition of SeO2, TeO2 or Sb2O3 to a V2O5/TiO2 catalyst greatly improved the catalytic activity in the vapor phase oxidation of toluene to selectively form benzoic acid.