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Article Dans Une Revue Catalysts Année : 2023

Effect of the Microstructure of Composite CoMoS/Carbon Catalysts on Hydrotreatment Performances

Résumé

Several CoMoS/carbons were successfully synthetized using hydrothermal-type approaches and a subsequent surface reaction for the promotion step with Co. The effect of the microstructure of carbons used as a matrix for CoMoS-based catalysts was studied in the case of hydrotreating reactions. It was found that 1D (nanofibers/tubes) or 2D (nanosheets) carbon nanostructures may influence the characteristics of the CoMoS crystallites (dispersion, promotion rate and orientation of the slabs) and as a consequence the catalytic properties. In particular, the HDS mechanism of the substituted 4-MethylDiBenzoThiophene (4-MDBT) was found to be microstructure-dependent, as well as the selectivity of 3-MethylThiophene (3-MT) HDS/2,3-DiMethylBut-2-eNe (2,3-DM2BN) hydrogenation.

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Catalyse
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Dates et versions

hal-04122221 , version 1 (08-06-2023)

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Paternité

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Sourav Ghosh, Laurence Courthéoux, Sylvette Brunet, Patrick Lacroix-Desmazes, Annie Pradel, et al.. Effect of the Microstructure of Composite CoMoS/Carbon Catalysts on Hydrotreatment Performances. Catalysts, 2023, 13 (5), pp.862. ⟨10.3390/catal13050862⟩. ⟨hal-04122221⟩
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