Research progress and the prospect of CO2 hydrogenation with dielectric barrier discharge plasma technology

In recent years, people are increasingly interested in CO2 hydrogenation to produce value-added chemicals and fuels (CH4, CH3OH, etc.). In the quest for an efficient treatment in CO2 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 CO2 hydrogenation including packing materials, reaction parameters, and optimizing methods is addressed. In this review, the overall status and recent findings in DBD plasma-catalyzed CO2 hydrogenation are presented, and the possible directions of future development are discussed.

Automated summary

In recent years, there has been a growing interest in CO2 hydrogenation for the production of value-added chemicals and fuels such as CH4 and CH3OH. Among the various technologies, DBD plasma technology has gained attention for its easy handling, mild operating conditions, strong activation ability, and high selectivity. However, the reaction mechanism and the impact of packing materials and reaction parameters are still controversial. This review provides an overview of the reaction mechanism and discusses plasma-catalyzed CO2 hydrogenation, including packing materials, reaction parameters, and optimization methods. It presents the current status and recent findings in DBD plasma-catalyzed CO2 hydrogenation and explores possible directions for future development.