AlO Concentration Effect on Deep Hydrodesulfurization of 4,6-Dimethyldibenzothiophene over NiWS/AlO-ZrO Catalysts.

The AlO concentration effect over NiWS/Al Zr catalysts was investigated for deep hydrodesulfurization (HDS) of 4,6-dimethyldibenzothiophene (4,6-DMDBT). The sol-gel method changed the wt % AlO concentrations used to synthesize the Al Zr supports. The NiWS/Al Zr catalysts were prepared with ammonium metatungstate hydrate and nickel(II) nitrate hexahydrate by sequential incipient impregnation, calcination, and HS/H activation.