Synthesis and Hydrodesulfurization Performance of Bulk Ni-Mo-W Catalyst with High Surface Area

Hai Bin Yu; Jing Cheng Zhang; Jun Nan; Shan Geng; Yu Ting Zhang; Yu Lin Shi; Xiao Long Qu; Hong Guang Liu

doi:10.4028/www.scientific.net/AMR.634-638.604

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Synthesis and Hydrodesulfurization Performance of Bulk Ni-Mo-W Catalyst with High Surface Area
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Synthesis and Hydrodesulfurization Performance of Bulk Ni-Mo-W Catalyst with High Surface Area

Abstract:

Bulk Ni-Mo-W hydrodesulfurization catalysts with high catalytic activity were synthesized via direct precipitation and controlled pH precipitation method, respectively. Analysis results shows that the preparation method has great influence on the morphology and pore structure, and further influence the hydrodesulfurization activity. The catalyst synthesized by controlled pH precipitation method has much higher surface area and pore volume, 132.9 m2/g and 0.30 mL/g, due to its developed porous structure accumulated by small crystal particles. The activity evaluation indicates that the bulk Ni-Mo-W hydrodesulfurization catalysts has good ultra-deep desulfurization activity of removing complex organic sulfur compounds, such as DBT and Cn-DBT.