Abstract
XMo6/Al2O3 catalysts were synthesized using XMo6-heteropolycompounds with Anderson’s structure (where X = Cr, Mn, Fe, Co, Ni, Cu, Zn, Ga, Al). The sulfided catalysts were characterized by N2 adsorption, temperature-programmed reduction, X-ray photoelectron spectroscopy, and high-resolution transmission electron microscopy. The catalysts were tested in hydrotreating of model FCC gasoline contained thiophene (1000 ppm of sulfur) and 1-hexene (36 wt%). The correlations between HDS/HYDO selectivity and characteristics of XMoS species depending on the nature of the heteroatom X in XMo6-heteropolycompound indicated the predominance of the electronic effect under the geometrical impact in the catalytic properties. It was found that to create a catalyst with high HDS/HYDO selectivity, reaching the mixed CoMoS active phase is the key requirement.
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This work was supported by the Ministry of Education and Science of the Russian Federation, project no 14.577.21.0152 (unique identification number—RFMEFI57714X0152).
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Ishutenko, D., Mozhaev, A., Salnikov, V. et al. Selective hydrodesulfurization of model fluid catalytic cracking gasoline over sulfided Al2O3-supported Anderson heteropolyoxomolybdate-based catalysts. Reac Kinet Mech Cat 119, 615–627 (2016). https://doi.org/10.1007/s11144-016-1083-9
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DOI: https://doi.org/10.1007/s11144-016-1083-9