The upgrading of natural gas has come to the forefront of the chemical industry as a challenge of the 21st century, and the primary technology to address these challenges is using more active, selective, and stable catalysts. The conversion of the most abundant natural gas component, methane, into valuable chemicals is highly desirable. Focus is being stressed upon the utilization of CO2 along with the natural gas in catalytic processes to manufacture valuable chemicals and fuel. Dry reforming of methane (DRM) is an attractive route to convert CH4 and CO2 into syngas in a 1:1 ratio of H2 and CO, which is the optimal ratio to produce liquids hydrocarbons through the Fischer-Tropsch process. However, due to multiple thermodynamic equilibrium processes, DRM is adversely affected by the undesired secondary gas-phase reactions, which severely deteriorate the catalyst performance and affect the H2/CO ratio. Several studies have been done to develop high-performance catalysts. However, DRM is not an industrially mature process due to the high endothermic nature together with rapid catalyst deactivation. Herein, novel parameters for the preparation of the carbide catalyst are introduced and a series of 2D Vanadium carbide (V2C) catalysts are prepared to study their effect on the structural and catalytic properties. The difference in the structure of the carbides plays an important role in facilitating the re-carburization of the catalysts. In this presentation, we will demonstrate our steady-state kinetic studies in DRM reaction using 2D vanadium carbides and the bulk 3D vanadium carbides with an attempt to uncover the relationship between the structures of catalysts and its catalytic activity. Stress is being focused upon maximizing activity, selectivity, and stability towards syngas. A fundamental relationship between catalyst structural morphology and its catalytic performance is established. Redox mechanism is proposed as a driving phenomenon for enhanced and stable catalytic performance for 2D vanadium carbide.

Dry reforming of methane using two-dimensional V2CTx MXene

Macromolecular Chemistry: The Second Century

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ACS Spring 2020 National Meeting & Expo

The official archive and repository for all ACS Meetings & Expositions abstracts and select posters or presentations.