METHOD OF PRODUCING LOW-SULFUR DIESEL FUEL AND LOW-SULFUR GASOLINE Russian patent published in 2020 - IPC C10G45/08 B01J21/02 B01J21/04 B01J23/88 B01J27/02 B01J27/14 

FIELD: technological processes.

SUBSTANCE: invention relates to catalytic methods of processing mixed diesel fractions of primary and mixtures of diesel and gasoline fractions of secondary origin with high content of sulfur to obtain a mixture of ultra-sulfur fractions of petrol and diesel hydrocarbons. Described is a method of producing low-sulfur diesel fuel and low-sulfur gasoline, which consists in hydrogenation treatment of a mixture of secondary diesel and secondary gasoline fractions with high content of sulfur with straight-run diesel fractions at high pressure and heating in a stream of hydrogen-containing gas in the presence of a heterogeneous catalyst which contains Mo, Co/Ni, P and S into the active component, and in the composition of the aluminum borate and γ-Al₂O₃ carrier, at temperature not higher than 340 °C, pressure not more than 7.0 MPa, mass consumption of the raw material is not less than 1.0 h^-1, volume ratio hydrogen / raw material is not more than 500 m³/m³, wherein secondary diesel fractions contained in the composite raw materials are high-sulfur diesel fractions with an end of boiling of up to 360 °C, and secondary gasoline fractions contained in the composite raw materials are high-sulfur gasoline fractions with an end of boiling of up to 200 °C, obtained by rectification from semi-synthetic oil, which is a product of catalytic steam cracking of heavy oil material, which can be natural, for example, heavy oil, bitumen, or man-made, for example fuel oil, tar.

EFFECT: performing hydrogenation processing of high-sulfur diesel and gasoline fractions of secondary origin in the form of a mixture with straight-run diesel fractions to obtain diesel and gasoline fractions containing less than 10 ppm of sulfur.

3 cl, 4 ex, 3 tbl