Journal
JOURNAL OF THE JAPAN PETROLEUM INSTITUTE
Volume 58, Issue 4, Pages 197-204Publisher
JAPAN PETROLEUM INST
DOI: 10.1627/jpi.58.197
Keywords
Metal phosphide; Catalyst preparation; Passivation; Hydrogen plasma reduction; Hydrodesulfurization
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Funding
- NSFC [20503003, 20773020, 20973030, 21173033, U1162203]
- Ph.D. Programs Foundation (MOE) [20100041110016]
- NCET [04-0275]
- 863 Project [2008AA030803]
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Metal phosphides, including Ni2P, MoP, WP, and CoP, are novel active hydrotreating catalysts with high potential as high-performance catalysts due to their higher hydrogenation activity, which is essential in the hydrodesulfurization of bulky sulfur-containing molecules and in hydrodenitrogenation, compared to conventional Mo and W-based metal sulfide catalysts. However, the preparation of metal phosphides is more challenging than that of metal sulfides. In the present study, three preparation methods, including in-situ reduction, H-2-plasma reduction, and sulfidation-reduction, are introduced, and the effects of preparation conditions on the structure and catalytic performances in hydrodesulfurization are briefly discussed. In addition, H2S passivation is compared with O-2 passivation for the preparation of Ni2P catalysts.
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