CATALYST FOR HYDROTREATING CATALYTIC CRACKED FEEDSTOCK Russian patent published in 2021 - IPC B01J31/00 B01J21/12 B01J27/00 B01J23/28 B01J23/755 

FIELD: chemistry.

SUBSTANCE: invention relates to catalysts. Described is a catalyst for the hydrotreating of catalytic cracking feedstock, which includes compounds of nickel, molybdenum, phosphorus and an excipient, which contains, wt%: [Ni(Н₂О)₂]₂[Mo₄O₁₁(С₆Н₅О₇)₂] – 1.7-6.6, Ni₂[H₂P₂Mo₅O₂₃] – 22.6-30.1 и H₄[Mo₄(C₆H₅O₇)₂O₁₁] – 3.1-6.6; the excipient is the rest. The excipient contains, wt%: SiO2 - 0.1-20.0 and B2O3 - 0-10; sodium - no more than 0.03, γ- and χ-Al₂O₃ - the rest, and the ratio of low-temperature forms of aluminum oxide χ-Al₂O₃ и γ-Al₂O₃ in the excipient in wt% is (0-40):(100-60), while the excipient, according to 29Si NMR, contains silicon compounds, which are fragments of Si(OSi)(OAl)₂(O^–) and Si(OSi)(O^–)₃ on the excipient surface, characteristic of aluminosilicates and silicate anions, and the concentration of Lewis acid sites of the support all types is 100-1000 mcmol/g; after sulfidation the catalyst contains, wt%: Mo - 11.7-16.5; Ni - 3.0-4.4; S - 9.4-13.4; P - 1.5-1.9; the resulting catalyst has a specific surface area of ​​120-150 m²/g, a pore volume of 0.25-0.50 cm³/g, an average pore diameter of 8-13 nm and is a particle with a cross-section in the form of a circle, trefoil or quatrefoil with a circumscribed circle diameter of 1.0-1.6 mm and up to 20 mm long.

EFFECT: increased catalyst activity.

1 cl, 1 tbl, 7 ex