| abstract |
FIELD: chemistry. n SUBSTANCE: invention relates to a hydrodesulphurisation catalyst for liquid oil products, which includes a hydrodesulphurisation catalyst Y having a support which contains silicon dioxide, aluminium oxide and titanium dioxide, and at least one type of a metal component deposited thereon and selected from groups VIA and VIII of the periodic table, wherein said catalyst Y is pre-sulphurised. For said support, the sum of the area of the diffraction peak, which corresponds to the crystalline structure of planes (101) of anatase-type titanium dioxide, and the area of the diffraction peak corresponding to the crystalline structure of planes (110) of rutile-type titanium dioxide in the support is 1/4 or less of the area of the diffraction peak of aluminium oxide which corresponds to planes (400) of γ-aluminium oxide. After pre-sulphurisation, said Mo becomes crystalline molybdenum disulphide and is deposited in the form of layers on top of the support. Crystalline layers of molybdenum disulphide have an average length ranging from more than 3.5 nm up to 7 nm in the direction of the plane, and the average number of laminated layers ranges from more than 1.0 to 1.9. The invention also relates to a method of producing said catalyst and a method of hydrofining liquid oil products. n EFFECT: obtaining a catalyst having high activity with respect to desulphurisation. n 12 cl, 4 tbl, 4 dwg, 30 ex |