HYDROTREATMENT CATALYST WITH TITANIUM-CONTAINING CARRIER AND SULFUR-CONTAINING ORGANIC ADDITIVE Russian patent published in 2022 - IPC B01J21/06 B01J23/888 B01J23/882 B01J23/883 B01J27/02 B01J31/10 B01J37/20 C10G45/08 

FIELD: chemistry.

SUBSTANCE: invention relates to a catalyst, methods for its production and a method for hydrotreatment of hydrocarbon raw materials. The catalyst for hydrotreatment of hydrocarbon raw materials, after its conversion into a sulfidated form, contains: at least one component containing group VIB metal selected from molybdenum and tungsten, at least one component containing group VIII metal selected from nickel and cobalt, at least one component in the form of a sulfur-containing organic additive, selected from a group consisting of thio-lactic acid, mercapto-succinic acid and cysteine, and a component, which is a titanium-containing carrier additionally containing aluminum oxide. At the same time, the amount of titanium component is in the range of 1-60% by wt., expressed as oxide (TiO₂), per the total weight of the catalyst. At least one component in the form of a sulfur-containing organic additive is present in the amount of 1-30% by wt. The method for production of a catalyst intended for subsequent conversion into a sulfidated form for hydrotreatment of hydrocarbon raw materials includes: 1) co-extrusion of a titanium source with porous material containing Al₂O₃ to form an extrudate of the titanium-containing carrier, drying and calcination of the extrudate; or precipitation of the titanium source with an aluminum source, extrusion of the precipitate to form an extrudate of the titanium-containing carrier, drying and calcination of the extrudate; or impregnation of porous material containing Al₂O₃ with the titanium source to form a titanium-containing carrier, drying and calcination of the carrier; 2) impregnation of the calcined extrudate or carrier with the sulfur-containing organic additive selected from a group consisting of thio-lactic acid, mercapto-succinic acid and cysteine with at least one source of group VIB metal selected from molybdenum and tungsten, and at least one source of group VIII metal selected from nickel and cobalt.

EFFECT: when used in the method for the production of TiO₂-containing carriers in combination with certain sulfur-containing organic compounds, highly active hydrotreatment catalysts were obtained.

16 cl, 16 tbl, 58 ex