METHOD OF PRODUCING CATALYST AND METHOD FOR TRANSALKYLATION OF BENZENE WITH DIETHYLBENZENES USING SAME Russian patent published in 2015 - IPC B01J29/08 B01J37/30 B01J35/10 C07C6/12 

FIELD: chemistry.

SUBSTANCE: to realise the method, binder-free granular faujasite with modulus of 5.5-7.0 is treated twice with an aqueous ammonium salt solution with concentration of 25-30 g/dm³ (with respect to $$N{H}_4^{+}$$ ) with the ratio of the mass of the granules (g)/volume of the solution (cm³) of 1/8 to 1/9 and temperature of 60-65°C for 0.5-1.0 h; two to four of said double treatment steps are alternated with heat treatment in a medium of 100% steam, which is fed in ratio of the mass of the granules (g)/mass of steam (g) of 1/0.5 to 1.0/1.0 at temperature of 540-600°C for 2-3 h, and after the last ammonium treatment steps, the granules are washed, dried and calcined. The invention enables to obtain a binder-free granular catalyst for transalkylation of benzene with diethylbenzenes, which consists of 100 wt % type Y zeolite with modulus of 8.0 to 19.5 and Na₂O content of 0.5 to 0.1 wt % (degree of substitution of substitution of Na⁺ ions of 0.95 to 0.99) in acidic H⁺ form, which provides high conversion of diethylbenzenes (82.5-83.0%) and output of the end product - ethylbenzene (21.0-21.5).

EFFECT: improved properties and high output.

2 cl, 2 tbl, 11 ex