Plasma Chemistry and Plasma Processing

, Volume 32, Issue 1, pp 153–163

Characteristics of the Decomposition of CO2 in a Dielectric Packed-Bed Plasma Reactor

Authors

    • Department of Chemistry, Institute of CatalysisZhejiang University
  • Meng Kong
    • Department of Chemistry, Institute of CatalysisZhejiang University
  • Tong Liu
    • Department of Chemistry, Institute of CatalysisZhejiang University
  • Jinhua Fei
    • Department of Chemistry, Institute of CatalysisZhejiang University
  • Xiaoming Zheng
    • Department of Chemistry, Institute of CatalysisZhejiang University
Original Paper

DOI: 10.1007/s11090-011-9335-y

Cite this article as:
Yu, Q., Kong, M., Liu, T. et al. Plasma Chem Plasma Process (2012) 32: 153. doi:10.1007/s11090-011-9335-y

Abstract

The decomposition of CO2 in a dielectric packed-bed plasma reactor has been studied. It was found that the dielectric properties and morphology of packing dielectric pellets play important roles in the reaction due to their influence on the electron energy distribution in the plasma. The acid–base properties of the packing materials also affect the reaction through the chemisorption of CO2 on basic sites of the materials. Heterogeneous reactions on the solid surfaces of the dielectric materials also play a role in the reaction, which was also confirmed through the investigation of the influence of the discharge length on the reaction. The reverse reaction of CO2 decomposition, the oxidation of CO, was also investigated to further understand the role of dielectric materials in the plasma and their effect on plasma reactions. Both the decomposition of CO2 and the oxidation of CO in non-packed or dielectric packed reactors are first-ordered.

Keywords

Packed-bed plasma reactorCO2Non-thermal plasmaDielectric materials

Copyright information

© Springer Science+Business Media, LLC 2011