METHOD OF PREPARING CUMENE Russian patent published in 1999 - IPC

Abstract RU 2141934 C1

FIELD: chemical industry. SUBSTANCE: described is method of preparing cumene by alkylation of benzene with propylene in the presence of beta-zeolite catalyst comprising alkali, alkaline-earth metal or nickel, beta-zeolite has formula: (x/n)M•(1,0-x)H+AlO₂•ySiO₂•wH₂O wherein Y is from 5 to 100, w is less or equal to 4, M is Na⁺, K⁺, Ca²⁺ or Ni²⁺, X is from 0.25 to 0.50. EFFECT: higher process selectivity and polyalkylation reaction suppression. 8 cl, 13 ex

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RU 2 141 934 C1

Authors

Karlo Perego

Dzhannino Patstsukoni

Dzhanni Dzhirotti

Dzhuzeppe Terzoni

Dates

1999-11-27—Published

1994-06-10—Filed