| Summary: | In search of a more effective process of ethane oxidative hydrogenation, different operation modes (thermal and microwave heating) are compared. The catalyst Mo<sub>1</sub>-V<sub>0.3</sub>-Te<sub>0.13</sub>-Nb<sub>0.11</sub>-O<sub>x</sub> was prepared by hydrothermal synthesis and characterized by a set of physicochemical methods (XRD, N<sub>2</sub> adsorption, SEM, EDX). The direct microwave heating of the catalyst layer is proposed as an alternative way of energy-saving ethane-to-ethylene oxidation by a Mo-V-Te-Nb-O<sub>x</sub> system. A substantial decrease in the reactor temperature upon the microwave-assisted process is accompanied by extremely high catalyst selectivity, which remains at a very high level of 98+%.
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