With the purpose of development of high efficiency catalysts for reactions of the oxidative conversion of lower olefins and paraffins into the desired products of petrochemical industry it has been synthesized by ion exchange method a range of the metalzeolite catalysts on the basis of synthetic (NaY) and natural (pure and dealuminated clinoptilolite and mordenite) zeolites and the cations of different metals. It has been established that the metalzeolite catalysts prepared on the basis of synthetic zeolite NaY shows relatively high activity in the oxidative conversion of ethylene and propylene into acetaldehyde and acetone accordingly. It has been also synthesized a highly effective metalzeolite catalysts for the processes: oxidative conversion of methane into ethylene; oxidative conversion of propane into acetaldehyde and formaldehyde; oxidative conversion of methane to ethylene and acetylene; oxidative conversion of methane to 1,4-butanediol
The results of studies on the creation of highly dispersed metal zeolite systems and the study of their catalytic action in the oxidation of lower olefinic hydrocarbons (ethylene to acetaldehyde, propylene to acetone) are presented. It has been established that the selectivity of the action of these catalysts is determined by the optimal combination of the metal component in them with the acidity and structure of the zeolite. Based on the results of experimental studies of the kinetic regularities of the oxidation reactions of lower olefinic hydrocarbons on the synthesized catalysts, their probable stepwise mechanisms are presented and kinetic models of the reactions are developed.
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