HYDROTHERMALLY STABLE MICROPOROUS MOLECULAR-SIEVE CATALYST AND PREPARATION METHOD THEREOF Russian patent published in 2010 - IPC B01J29/00 B01J29/40 B01J29/69 B01J29/85 

FIELD: chemistry.

SUBSTANCE: present invention relates to a hydrothermally stable porous molecular-sieve catalyst and a method of preparing said catalyst. The invention describes hydrothermally stable porous molecular-sieve catalyst consisting of a product obtained from evaporation of water from a basic mixture of raw materials consisting of 100 pts. wt molecular sieve having a -Si-OH-Al- lattice, 0.01-5.0 pts. wt water-insoluble metal salts and 0.05-17.0 pts. wt phosphoric component. In the catalyst, pores on the surface of the molecular sieve are modified using one of the compositions of formula 1-3 described in the invention.

EFFECT: catalyst has relatively stable structure even in high-temperature and humid media and can maintain its catalytic activity in heterogeneous catalytic reactions, such as different redox reactions, including catalytic cracking reactions, isomerisation reactions, alkylation reactions and esterification reactions.

24 cl, 3 tbl, 5 dwg, 12 ex