Abstract
The oxidative dehydrogenation of ethane in the supercritical state into ethylene on MoVNbTeOx oxide catalysts at the total pressure of an O2-containing mixture of 100 atm was carried out. The high reaction pressure allowed us to decrease the temperature from 360 °C at 1 atm to 280 °C at 100 atm along with the increased productivity of C2H4 from 205 to 290 \( \mathrm{g_{C_2H_4}~h^{-1}~kg_{cat}^{-1}} \), respectively. Moreover, the higher pressure also prevents the destruction of M1 phase of the catalyst via the reduction of Te.
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