FIELD: petrochemical industry. SUBSTANCE: product: cumene and ethyl benzene. Reagent 1: benzene. Reagent 2: propylene or ethylene. Conditions: 100-300 C, 10-50 atm, reagent 1 to reagent 2 molar ratio is from 4 to 15 catalyst: zeolite β in natural state or modified by isomorphous substitution of aluminium with boron. EFFECT: more efficient production method. 5 cl, 8 tbl
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