CATALYST, METHOD OF PREPARATION THEREOF, AND A METHOD FOR DEHYDROGENATION OF ALKYLAROMATIC COMPOUNDS Russian patent published in 2007 - IPC B01J37/04 B01J23/745 B01J23/78 B01J23/88 C07C5/32 

FIELD: hydrogenation-dehydrogenation catalysts.

SUBSTANCE: invention relates to production of alkylaromatic hydrocarbon dehydrogenation catalysts and can be employed in chemical and petrochemical industries. Catalyst according to invention comprising molybdenum oxide MoO₂, ferrous oxide F₂O₃, cerium dioxide CeO₂, and iron, potassium, calcium , and magnesium compounds is characterized by containing solid solution of potassium ferrites and, additionally, cesium and/or rubidium ferrites MFeO₂ and M₂Fe₁₀O₁₆, where M=K+Contains and/or Rb, and also ferrite Ca₂(MgZn)₁Fe₂O₃ Catalyst may be granulated in the form of trefoil with holes in each foil, which are shifted toward the center of granule, or it may be in the form of circle with three, four, or five internal spokes. Catalyst preparation process and a process of dehydrogenation of alkylaromatic hydrocarbons in presence of indicated catalyst are also described.

EFFECT: enabled preparation of strong catalyst showing high activity and selectivity, and ensuring reduced pressure in reactor owing to lowered hydraulic resistance.

11 cl, 4 tbl, 10 ex