P/SBA-15/cord monolithic catalysts were prepared by coating the slurry of the B-Ni
2
P/SBA-15 precursors on a pretreated cordierite support
and followed by temperature-programmed reduction in a H
2
flow. The samples were characterized by X-ray diffraction (XRD) and N
2
adsorption-desorption technique. The catalytic activities for the hydrodesulfurization (HDS) of dibenzothiophene (DBT) were evaluated. The results showed that Ni
2
P phase was present in all B-Ni
2
P/SBA-15/cord monolithic catalysts. The specific surface areas (S
BET
) of the B-Ni
2
P/SBA-15/cord monolithic catalysts was first increased to 167 m
2
·g
-1
and then decreased to 155 m
2
·g
-1
with the increase of boron contents. The catalytic activity also showed the similar trend with the increase of boron contents. The 1.75% (by mass) B-Ni
2
P/SBA-15/cord monolithic catalysts exhibited the highest DBT conversion of 98.4% at 380℃. The cordierite-based monolithic catalysts showed better low temperature sensitivity for HDS of DBT in comparison with the particle catalysts. Moreove
r
two HDS routes
direct desulfurization (DDS) and hydrogenation (HYD)
proceeded independently over B-Ni
2
P/SBA-15/cord monolithic catalysts and the main pathway was DDS.
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references
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Preparation of highly active MCM-41 supported Ni2P catalysts and its dibenzothiophene HDS performanc
Preparation of Ni2P/Al-SBA-15 catalyst and its performance for benzofuran hydrodeoxygenation
Preparation of novel hierarchical porous Fe2O3/SBA-15 with microporous plugs from coal gasification fine residue and its degradation of phenol in coal chemical wastewater
Rapid removal of boron from liquid media using wood-based functional materials modified with N-methyl-d-glucosamine
Research progress on the monolithic catalyst for hydrogenation of CO2 to methane
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