CATALYST FOR CONVERTING ALIFATIC C-C-HYDROCARBONS INTO ANTIKNOCK GASOLINE COMPONENT ENRICHED WITH AROMATIC HYDROCARBONS Russian patent published in 1997 - IPC

FIELD: catalysts for petrochemical syntheses. SUBSTANCE: catalyst contains zeolite of pentasil type with silica to alumina molar ratio (20- 80): 100 with residual content of sodium oxide 0.1-0.4 wt % and following component contents (in wt %): zeolite, 25.0-50.0; zinc, 1.0- 3.0; rare-earth element oxides in sum, 0.1-2.0; binding component, the balance. Rare-earth element oxide component, in turn, is composed of 40-55% cerium oxide and 60-45% La₂O₃, Pr₂O₃, Nd₂O₃ in sum. EFFECT: increased yield of aromatic hydrocarbons. 3 tbl