METHOD OF HYDRAULIC CLEANING OF CATALYTIC CRACKING GASOLINE Russian patent published in 2016 - IPC C10G45/08 B01J29/76 B01J23/882 

FIELD: oil and gas industry.

SUBSTANCE: method of hydraulic cleaning of catalytic cracking gasoline is described, it means the passage of a mixture of catalytic cracking gasoline and hydrogen through a reactor at a temperature of 240-320°C, pressure of 1.5-3.0 MPa, volume ratio hydrogen/feed stock of 100-300 m³/m³, volume speed of feed stock delivery of 2-10 h^-1 in the presence of a heterogeneous catalyst containing cobalt and molybdenum in the form of oxides, silicon in the form of amorphous aluminium silicate, aluminium in the form of aluminium oxide, and amorphous aluminium silicate, wherein the components are in the following concentrations wt %: MoO₃ - 3.0-12.0; CoO - 0.8-4.6; amorphous aluminium silicate with the weight ratio of Si/Al from 0.1 to 0.9 - 46.6-84.0%; Al₂O₃ - the rest; having a specific surface area of 150-350 m²/g, volume of pores of 0.3-0.9 cm³/g, average diameter of pores of 5-15 nm, being particles in the form of a trefoil with the diameter of 1.3-1.7 mm and the length of up to 20 mm, having the volume mechanical strength determined by Shell 1471 method, of at least 1.0 MPa.

EFFECT: producing of the hydraulic cleaning product of catalytic cracking gasoline being a component of commercial gasoline with the sulphur content of 10 ppm maximum upon the reduced octane number of the catalytic cracking gasoline by maximum 1,5 points as per the study method, and 10 point as per the motor method test.

5 cl, 1 tbl, 8 ex