Journal
FUEL PROCESSING TECHNOLOGY
Volume 137, Issue -, Pages 250-258Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.fuproc.2015.02.003
Keywords
Kinetic model; LaNiO3; Dry reforming of methane; Dielectric barrier discharge
Funding
- National Natural Science Foundation of China [21176270]
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Plasma-assisted catalytic conversion of CH4 and CO2 into synthesis gas was performed in a dielectric barrier discharge reactor coupled with perovskite La-Ni nanoparticles (LaNiO3 NPs). Compared to supported catalysts such as Ni/gamma-Al2O3, La-Ni/gamma-Al2O3 and Ni/La2O3, LaNiO3 NPs showed better catalytic performance. The results show that the low flow rate of feed gases and high input power were favorable for the conversions of CH4 and CO2 as well as the selectivities of desired products, but led to lower energy efficiency. A global kinetic model according to argon dilution in plasma-catalytic system was proposed and employed to foresee the CH4 and CO2 conversion assisted by plasma-catalysts hybrid effect The kinetic model indicates that the reactant conversion rate was an exponential function of the discharge energy. (C) 2015 Elsevier B.V. All rights reserved.
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