CATALYTIC ADDITIVE FOR OCTANE IMPROVEMENT IN CAT-CRACKED PETROL AND METHOD OF ITS MANUFACTURING Russian patent published in 2014 - IPC B01J29/40 B01J21/16 B01J21/12 B01J37/04 C10G11/05 

FIELD: oil and gas industry.

SUBSTANCE: catalytic additive includes zeolite ZSM-5 in a hydrogen form with silica modulus in the range from 25 up to 40 and the matrix which components include activated bentonite clay, aluminium hydroxide of pseudo-boehmitic modification treated by the nitric acid and amorphous alumosilicate with the following content of components, in wt %: zeolite ZSM-5 - 30-60; bentonite clay - 20-40; aluminium hydroxide - 10-40; amorphous alumosilicate - 10-20. The method of catalytic additive manufacturing includes ionic exchange of cations in zeolite ZSM-5 by ammonia cations, zeolite mixing with the matrix components which include boehmitic modification and amorphous alumosilicate, spray drying and ignition.

EFFECT: improving properties of catalytic additive.

2 cl, 3 tbl, 7 ex