STUDY ON PROPERTIES OF DIESEL HYDRODESULFURIZATION CATALYST WITH MESOPOROUS ZSM-5 ZEOLITE

Abstract

Abstract: The effect of mesoporous ZSM-5 zeolite on the hydrodesulfurization activity of MoO3-CoO catalyst was investigated. Al2O3 with different content of mesoporous ZSM-5 zeolite was used as supports. The straight-run diesel was used for hydrodesulfurization (HDS) evaluation. The results indicated that the HDS activity of the catalysts firstly increased and then decreased with the increase of the mesoporous ZSM-5 zeolite. The catalyst with 12% mesoporous ZSM-5 zeolite has the highest activity, higher than that of the catalyst without ZSM-5 and the catalyst with 12% non-mesoporous ZSM-5. The result indicated that the mesoporous ZSM-5 zeolite greatly improves the HDS activity of the catalyst.

Key words: diesel , HDS, mesoporous ZSM-5 zeolite

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STUDY ON PROPERTIES OF DIESEL HYDRODESULFURIZATION CATALYST WITH MESOPOROUS ZSM-5 ZEOLITE

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