The Effect of Different Supports on the ‎Characteristic and Catalytic Properties of ‎ Ni-Mo/Cs1.5H1.5PW12O40/S (S= SiO2 or Al2O3 or ‎ASA) Nanocatalysts in Hydrocracking of n-‎decane
Article Type:
Research/Original Article (دارای رتبه معتبر)
In this research, Ni-Mo/Cs1.5H1.5PW12O40/S (S=SiO2 or Al2O3 or ASA (amorphous silica alumina)) nanocatalysts with different supports were prepared via 2 steps with impregnation method and the effect of support on the characteristic and catalytic properties of the prepared samples was studied. The synthesized samples were characterized by X-ray diffraction (XRD), temperature programmed desorption (TPD), temperature programmed reduction (TPR), and energy dispersive X-ray spectroscopy (EDX). Morphology of the samples was studied by field emission scanning electron microscope (FE-SEM) and the surface area, pore volume and pore size of the catalysts were determined by BET (Brunauer-Emmett-Teller) method. In the XRD patterns of the prepared catalysts, the H3PW12O40 (HPW) phase was observed. The FE-SEM images showed that the synthesized particles were in nanoscale. The results of TPD studies indicated that moderate acidic sites of Al2O3 supported nanocatalyst was more than the others. The catalytic activity of the nanocatalysts in hydrocracking of n-decane indicated that Al2O3 supported nanocatalyst had the highest catalytic activity.
International Journal Of Nanoscience and Nanotechnology, Volume:16 Issue: 2, Spring 2020
137 to 144  
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