Abstract
We report, herein, the catalytic efficiency and activity of a facilely synthesized sulfided NiMo hydrodesulfurization (HDS) catalyst supported on (Zr)-SBA-15 by one-step calcination and reduction heat treatment prior to sulfidation. Zr-SBA-15-Mo is prepared by a direct synthesis approach, followed by the confinement of Ni into the as-synthesized Zr-SBA-15-Mo without calcination, to generate more dispersion and active sites of metal oxides for an efficient sulfidation process. The HDS performance of these catalysts was evaluated and compared to that of the catalysts prepared by the sequential calcination and reduction approach prior to sulfidation for HDS of dibenzothiophene (DBT) and dimethyldibenzothiophene (DMDBT) in commercial diesel at 350 °C in batch reactor mode. Structural and morphological properties related to catalytic activity have been obtained by means of spectroscopy (X-ray diffraction (XRD), Raman, pyridine-Fourier transform infrared (FTIR), temperature-programmed desorption (TPD), microsco...
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