Novel Impregnation-Deposition Method to Synthesize a Presulfided MoS₂/Al₂O₃ Catalyst and Its Application in Hydrodesulfurization.

ABSTRACT: A novel impregnation-deposition method was applied to prepare presulfided MoS₂/Al₂O₃ catalysts with large surface areas for the application of hydrodesulfurization (HDS). The synthesized catalysts were characterized systematically, and their catalytic performances were evaluated by the HDS of dibenzothiophene (DBT). It is found that the impregnation-deposition method improves the surface area of the synthesized catalysts by eliminating the micropores of the alumina support and adding mesostructured MoS₂ particles within the support. Moreover, this method enhances the reducibility of the sulfided Mo species, as characterized by temperature-programed reduction (TPR) and X-ray photoelectron spectroscopy. Compared to the impregnation method, the impr

SUBMITTER: Li X 

PROVIDER: S-EPMC9850723 | biostudies-literature | 2023 Jan

REPOSITORIES: biostudies-literature