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Abstract:
In this work, an oil-soluble ionic liquid (IL) was combined with mixed metal oxide for in situ generation of bifunctional catalysts for slurry-phase heavy oil hydrocracking. The oil-soluble IL selected was trihexylmethylammonium molybdate ([N6661]2MoO4), and the mixed metal oxide selected was SiO2-ZrO2. The performance of using [N6661]2MoO4 and SiO2-ZrO2 for slurry-phase hydrocracking was examined systematically. It is found that the addition of SiO2-ZrO2 can significantly improve the conversion of residue to distillate and the gas and coke yields are also improved. The MoS2/SiO2-ZrO2 bifunctional catalysts in situ generated in the reaction system were collected for detailed characterizations. The MoS2 slabs are in a highly dispersed and sulfurized status in the matrix of SiO2-ZrO2, and there are also abundant acidic sites in resultant bifunctional catalysts. The kinetics of slurry-phase hydrocracking was further investigated to disclose the reaction routes for the conversion of residue and the role of adding SiO2-ZrO2 in promoting the hydrocracking reactions. © 2023 American Chemical Society
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Industrial and Engineering Chemistry Research
ISSN: 0888-5885
Year: 2023
Issue: 38
Volume: 62
Page: 15459-15468
3 . 8
JCR@2023
3 . 8 0 0
JCR@2023
JCR Journal Grade:2
CAS Journal Grade:3
Cited Count:
SCOPUS Cited Count: 4
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count:
30 Days PV: 5
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