ZEOLITE-CONTAINING CATALYST, METHOD FOR PRODUCTION THEREOF AND METHOD OF CONVERTING STRAIGHT-RUN GASOLINE FRACTION TO HIGH-OCTANE GASOLINE COMPONENT WITH LOW BENZENE CONTENT Russian patent published in 2013 - IPC B01J29/40 B01J23/31 B01J23/75 B01J23/84 B01J27/185 B01J27/186 B01J37/02 C10G35/95 

FIELD: chemistry.

SUBSTANCE: invention relates to oil refining and petrochemical industry, particularly to methods of producing catalysts for converting a straight-run gasoline fraction into a high-octane gasoline component with low benzene content. Described is a catalyst which contains the following, wt %: H-ZSM-5 type high-silica zeolite with silica modulus SiO₂/Al₂O₃ = 30-50 - 94.0-99.0, cobalt molybdo-bismuthate or molybdo-phosphate 1.0-6.0, formed during heat treatment. Described is a method of producing a catalyst, which involves hydrothermal crystallisation of a reaction mixture at 120-180°C, which contains sources of silicon, aluminium and alkali metal oxides, hexamethylenediamine and water, followed by drying and calcining, mechanochemical treatment in a vibration mill, moulding with further saturation of the H-form of the H-ZSM-5 type high-silica zeolite with silica modulus SiO₂/AI₂O₃=30-50 with chloride solutions of corresponding heteropoly compounds: cobalt molybdo-bismuthate or cobalt molybdo-phosphate, as a modifying additive, followed by mechanochemical treatment in a vibration mill for 0.1-24 hours, moulding the catalyst mass into granules, drying and calcining at 540-550°C for 0.1-12 hours. Described is a method of converting a straight-run gasoline fraction into high-octane gasoline component with low benzene content in the presence of the catalyst described above at 350-425°C, volume rate of 1.0-2.0 h^-1 and pressure of 0.1-1.0 MPa.

EFFECT: high activity and selectivity of the catalyst.

3 cl, 1 tbl, 7 ex