Effects of Reaction Temperature on CO<sub>2</sub> Reforming of CH<sub>4</sub> over Multi-Walled Carbon Nanotubes Catalyst with Co-Mo-MgO Nanoparticles

Abstract

The utilization of greenhousegases, such as carbon dioxide (CO2) and methane (CH4), is among the most important challenges in the energy research field. The catalytic activity behavior of CO2 reforming of CH4 (CRM) over synthesized multi-walled carbon nanotubes (MWCNTs) with Co-Mo and MgO nanoparticles was investigated. Based on conversion of reactants and production of syngas, the synthesized Co-Mo-MgO/MWCNTs were found to be a suitable catalyst for the CRM reaction. The CH4 and CO2 conversions were greatly influenced by the reaction temperature in the range of 750-1000 °C. The catalyst exhibited high activity and stability during 10 h reaction time with 82.68% conversion of CH4 at 950 °C respectively,without significant deactivation. The reaction rate of CH4 and CO2 over carbon nanotubes was affected significantly by the reaction temperature.The syngas ratio was close to unity and no carbon deposition over the catalyst was observed after the termination of the reaction.