Research progress and the prospect of CO 2 hydrogenation with dielectric barrier discharge plasma technology

In recent years, people are increasingly interested in CO 2 hydrogenation to produce value-added chemicals and fuels (CH 4 , CH 3 OH, etc . ). In the quest for an efficient treatment in CO 2 methanation and methanolization, several technologies have been practiced, and DBD plasma technology gain attention due to its easily handling, mild operating conditions, strong activation ability, and high product selectivity. In addition, its reaction mechanism and the effect of packing materials and reaction parameters are still controversial. To address these problems efficiently, a summary of the reaction mechanism is presented. A discussion on plasma-catalyzed CO 2 hydrogenation including packing materials, reaction parameters, and optimizing methods is addressed. In this review, the overall status and recent findings in DBD plasma-catalyzed CO 2 hydrogenation are presented, and the possible directions of future development are discussed.