FIELD: chemistry.
SUBSTANCE: unsupported catalyst composition for hydrocracking contains one or more group VIb metals, one or more group VIII base metals, one or more zeolites and optionally heat-resistant oxide material. The said composition is obtained through deposition of group VIb metals, group VIII base metals and optionally heat-resistant oxide material in the presence of a zeolite. The method of preparing the said catalyst composition, in which one or more compounds of group VIb metals are combined with one or more compounds of group VIII base metals, and with zeolite, in the presence of a proton-containing liquid and an alkaline compound, and the catalyst composition is extracted after deposition.
EFFECT: obtaining a catalyst composition with very high activity during hydrogenation of monoaromatic compounds, significantly better selectivity towards middle distillate products.
15 cl, 13 ex, 4 tbl
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Authors
Dates
2010-04-27—Published
2005-09-06—Filed