Paired interacting orbitals (PIO) study of Mo/SiO2 and Mo/HZSM-5 catalysts for olefin metathesis

Handzlik, Jarosław; Czernecki, Marcin; Shiga, Akinobu; Śliwa, Paweł

doi:10.1016/j.comptc.2012.04.012

Cited by 6 publications

(1 citation statement)

References 41 publications

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“…12,13 A variety of materials have been chosen as supports for Mo-containing catalysts, such as Al 2 O 3 , 7 SiO 2 -Al 2 O 3 , 14 MCM-48, 15 HMS 16 and HZSM-5. 17 The results have revealed a significant effect of the support on the catalytic performance of Mo-based catalysts. Huang et al 10 prepared MoO 3 / mordenite-alumina catalysts for the 1-butene metathesis reaction, and the catalysts treated with nitric acid have illustrated a much higher stability for propene formation.…”

Section: Introductionmentioning

confidence: 94%

Enhanced catalytic performance of molybdenum-doped mesoporous SBA-15 for metathesis of 1-butene and ethene to propene

Lin

Tao

et al. 2014

Catal. Sci. Technol.

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Molybdenum-doped mesoporous SBA-15, mesoporous SBA-15-supported MoO 3 /SBA-15, and traditional silica-supported MoO 3 /SiO 2 were successfully synthesized. Various techniques, such as XRD, TEM, BET, UV-DRS, Raman, XPS and IR, were used to characterize the above obtained materials. The studies of TEM, XRD and BET confirmed that the highly ordered mesoporous structure of SBA-15 was maintained in the doped Mo-SBA-15 whereas supported MoO 3 /SBA-15 showed a significant reduction in surface area due to the deposition of MoO 3 nanoparticles into the SBA-15 channels. XPS studies revealed that a high concentration of Mo 5+ species appeared in doped Mo-SBA-15 whereas supported MoO 3 /SBA-15 and MoO 3 /SiO 2 only contained Mo 6+ species. The metathesis reaction of 1-butene and ethene to propene was used to evaluate the catalytic performance of Mo-containing materials. The doped Mo-SBA-15 illustrated a superior catalytic performance over the supported MoO 3 /SBA-15 and MoO 3 /SiO 2 catalysts. The enhancement of catalytic performance for doped Mo-SBA-15 was assigned to the incorporation of Mo species into the SBA-15 framework. Due to the doping method, Mo-SBA-15 exhibited a well-ordered mesoporous structure, a high surface area, and a high concentration of Mo 5+ species, which is beneficial to the catalytic performance for metathesis reactions.

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