FIELD: metallurgy.
SUBSTANCE: present invention relates to a metal-modified zeolite of the Y-type for use as a catalytic cracking catalyst, which contains 1–15 wt. % of the group IVB metal based on the oxide, the ratio of the deformed tetrahedrally coordinated alumina to tetrahedrally coordinated framework aluminum in the crystal lattice structure of the zeolite is 0.1–0.8. Invention also relates to two variants of a process for its preparation and a catalyst based on this zeolite.
EFFECT: for use as catalytic cracking catalyst.
52 cl, 2 dwg, 45 ex, 14 tbl
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