What does this research mean for the field?

High ethane concentration in the reaction mixture enhances the productivity of Mo1V0.24Sb0.23Nb0.08Ce0.01Ox/SiO2 catalysts in the oxidative dehydrogenation of ethane to ethylene, achieving productivity rates of 153−157 gC2H6/(kgcat h). Novelty: ClaimNovelty.NOVEL_FINDING. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

This research aims to analyze how the composition of the reaction mixture influences the catalytic effectiveness of specific catalysts during ethane conversion to ethylene.

March 1, 2026

Effect of the Reaction Mixture Composition on the Catalytic Properties of MoVSbNbСeOx/SiO2 Catalysts in the Oxidative Dehydrogenation of Ethane to Ethylene

Key Points

This research aims to analyze how the composition of the reaction mixture influences the catalytic effectiveness of specific catalysts during ethane conversion to ethylene.
Studied Mo1V0.24Sb0.23Nb0.08Ce0.01Ox/50 wt % SiO2 catalysts.
Conducted experiments at temperatures between 400–440°C.
Varied ethane to oxygen ratios in the reaction mixtures.
Measured productivity of ethylene during the oxidative dehydrogenation process.
High ethane concentrations led to productivity rates of 153−157 g of C2H4/(kgcat h).
Catalysts showed stable operation in concentrated mixtures at 400−420°C.
Ethane conversion achieved was between 20−30% with recycling of the reaction mixture.

Abstract

The effect of the reaction mixture composition on the catalytic properties of Mo1V0. 24Sb0. 23Nb0. 08Ce0. 01Ox/50 wt % SiO2 catalysts in the oxidative dehydrogenation of ethane to ethylene at a temperature of 400–440°C has been studied. It has been shown that at a high ethane concentration in a C2H6: O2 = 74: 26 (vol %) and C2H6: O2 = 80: 20 (vol %) reaction mixture, the process productivity with respect to ethylene is 153−157 {{g}{{{₂₂}{{H}₆}}}} / (kgcat h). The catalyst exhibits stable operation in highly concentrated mixtures at a temperature of 400−420°C. Therefore, oxidative ethane dehydrogenation can be run by recycling the reaction mixture at an ethane conversion of 20−30%.

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Cite This Study

Zenkovets et al. (Mon,) studied this question.

synapsesocial.com/papers/69a3d7dfec16d51705d2e409 https://doi.org/https://doi.org/10.1134/s2070050425700394

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