Abstract
AbstractTwo series of silica supported nickel phosphide catalysts with different Ni/P atomic ratios of the precursors and loadings had been prepared by a temperature‐programmed reduction of nickel phosphate. The resulting samples were characterized by means of N2 physorption and X‐ray diffraction (XRD). The activities of the catalysts were measured for naphthalene hydrogenation (HYD) at 340 °C and 4 MPa. The operating conditions of naphthalene HYD such as temperature, pressure and H2/liquor ratio were tested in detail. It is found that all the samples were active in this reaction and the sample which precursor with Ni/P = 1.25 and loading with 30 wt% displayed the highest catalytic activity and decalin selectivity. Naphthalene conversion and selectivity to decalin went through a maximum (100% and 83% at 340 °C) with the increasing reaction temperature. Copyright © 2009 Curtin University of Technology and John Wiley & Sons, Ltd.
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