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Journal of applied research and technology
versión On-line ISSN 2448-6736versión impresa ISSN 1665-6423
Resumen
SOLIS-CASADOS, D. A. et al. CoMoW/Al2O3-MgO-Li2O Catalytic formulations for DBT hydrodesulphurization. J. appl. res. technol [online]. 2019, vol.17, n.3, pp.203-212. Epub 16-Abr-2020. ISSN 2448-6736.
Low acidity catalytic formulations were prepared incorporating MgO and Li2O to the conventional CoMoW/Al2O3 catalysts. The CoMoW active phases were impregnated using an ammoniacal solution containing the metallic complexes as citrates. A high dispersion of the Co, Mo and W species in octahedral coordination, inhibiting the agglomeration towards phases like MoO3, WO3 and Co3O4, was attained. The obtained formulations preserve the catalytic activity in the hydrodesulphurization (HDS) reaction of dibenzothiophene (DBT), enhancing the selectivity towards the direct desulphurization route. The prepared formulations show a lower hydrogenation function due to its low acidity.
Palabras llave : selective HDS; DBT; low acidity formulations; CoMoW catalysts.