Nanorod alumina-supported Ni-Zr-Fe/Al2O3 catalysts for hydrogen production in auto-thermal reforming of ethanol

作者：Huang Lihong; Xie Jian; Chen Rongrong; Chu Deryn; Hsu Andrew T^*

来源：Materials Research Bulletin, 2010, 45(1): 92-96.

DOI：10.1016/j.materresbull.2009.08.022

• Nanostructures
• Electron microscopy
• X-ray diffraction
• Catalytic properties

Nanorod alumina-supported Ni-Zr-Fe/Al2O3 Catalysts were prepared by co-impregnation, characterized by TEM, TIPR, XRD, XPS, and TPD-pyridine, and tested in auto-thermal reforming of ethanol. The characterization results indicate that, with iron and zirconia promotion, the NixFe1-xAl2O4 mixture spinel forms, the valence of the surface Ni species is modified, and the acidity decreases. As a result, during a 30-h test over the Ni-Zr-Fe/Al2O3 catalyst, sintering is restrained, and the selectivity to hydrogen remains around 85.79% without obvious loss, while the un-promoted Ni/Al2O3 shows poor stability and selectivity.

• 出版日期2010-1