CATALYST (VERSIONS), PREPARATION METHOD THEREOF AND METHOD OF PRODUCING ACETALDEHYDE Russian patent published in 2016 - IPC B01J29/04 B01J37/04 C07C47/06 

FIELD: chemistry.

SUBSTANCE: invention relates to catalysts (versions) for producing acetaldehyde in isomerisation of ethylene oxide, as well as to a method of preparing said catalysts. Active component of catalyst comprises zeolite of structure: MTT, TON, having composition: x Al₂O₃ - y El₂O - SiO₂, where x=0.1-5·10^-2; y=2·10^-3, El is at least one of elements of group 1 of periodic table, a compound which is used for hydrothermal synthesis of zeolite, or zeolite of same composition and structure subjected to thermo-steam treatment, selected from following: MFI, MEL, BEA, FER, MOR, FAU. Invention also relates to a method of producing acetaldehyde in isomerisation of ethylene oxide by passing steam-gas mixture of ethylene oxide with gas diluent, which can be nitrogen and/or any inert gas, and/or carbon dioxide, and/or air, and/or water vapour, through a layer of catalyst in presence of disclosed catalysts (versions).

EFFECT: technical result is increasing conversion of ethylene oxide and selectivity on acetaldehyde, which provides high output of acetaldehyde.

9 cl, 1 tbl, 36 ex