Zeolite molecular sieve type composite catalyst for removing dibenzothiophene in oil product and preparation method of zeolite molecular sieve type composite catalyst

The invention discloses a zeolite molecular sieve type composite catalyst for removing dibenzothiophene in an oil product and a preparation method of the zeolite molecular sieve type composite catalyst. The composite catalyst adopts a zeolite molecular sieve as a supporter which is used for supporting molybdenum trioxide and titanium oxide. The preparation method comprises the following steps: preparing a zeolite molecular sieve suspension, and preparing a precursor mixture from the zeolite molecular sieve suspension, a tetrabutyl titanate solution and an ammonium heptamolybdate solution; andperforming roasting on the precursor mixture, thereby obtaining the composite catalyst disclosed by the invention. The composite catalyst disclosed by the invention has the advantages of being economic and practical, good in catalytic oxidation performance, good in circulation performance, and the like, is capable of rapidly and efficiently achieving effective conversion of sulfur-containing organic pollutants when being