Ni/MgO catalyst prepared via dielectric-barrier discharge plasma with improved catalytic performance for carbon dioxide reforming of methane

2014, Volume 8, Issue 2

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Frontiers of Chemical Science and Engineering >> 2014, Volume 8, Issue 2 doi: 10.1007/s11705-014-1422-1

Ni/MgO catalyst prepared via dielectric-barrier discharge plasma with improved catalytic performance for carbon dioxide reforming of methane

Voiland School of Chemical Engineering and Bioengineering, Washington State University, Pullman, WA 99164, USA

Available online: 2014-05-22

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Abstract

A Ni/MgO catalyst was prepared via novel dielectric-barrier discharge (DBD) plasma decomposition method. The combined characterization of Brunauer-Emmett-Teller measurement, X-ray diffraction, hydrogen temperature-programmed reduction and transmission electron microscopy shows that DBD plasma treatment enhances the support-metal interaction of Ni/MgO catalyst and facilitates the formation of smaller Ni particles. Sphere-like Ni particles form on plasma treated Ni/MgO catalysts. The plasma treated Ni/MgO catalyst shows a significantly improved low temperature activity and good stability for CO reforming of methane to syngas.

Keywords

CO₂ reforming ; methane ; dielectric-barrier discharge (DBD) ; plasma ; Ni/MgO

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