Mesoporous CexZr1-xO2 Mixed Oxides Supported Cr-V-O Nanocatalysts for Dehydrogenation of Propane to Propene

Bao Agula; Si Qin Dalai

doi:10.4028/www.scientific.net/AMR.1096.509

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 1096Mesoporous CexZr1-xO2 Mixed Oxides Supported...

Mesoporous Ce_xZr_1-_xO₂ Mixed Oxides Supported Cr-V-O Nanocatalysts for Dehydrogenation of Propane to Propene

Abstract:

The mesoporous Ce_xZr_1-_xO₂ mixed oxides with different Ce/Zr ratio were prepared via a surfactant-assisted method of nanoparticle assembly, CTAB was used as surfactant. The Ce_xZr_1-_xO₂ mixed oxides were used as the supports for preparing Cr-V-O/ Ce_xZr_1-_xO₂ catalysts by the wetness impregnation method, and the catalytic activities of the results catalysts for dehydrogenation of propane to propene were studied. The prepared catalysts were characterized by XRD and N₂ adsorption techniques.The Cr-V-O/ Ce_xZr_1-_xO₂ catalysts exhibiting high activity and selectivity for dehydrogenation of propane to propene. The molar ratio of Ce/Zr ratio showed remarkable influence on the activity of the catalysts. The optimistic catalyst was Cr-V-O/Ce_0.5Zr_0.5O₂ the highest yield of 20.0% was obtained, the corresponding conversion of propane was 20.9% and selectivity to propene was 95.9% at 550 °C.

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Periodical:

Advanced Materials Research (Volume 1096)

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509-513

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https://doi.org/10.4028/www.scientific.net/AMR.1096.509

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April 2015

Authors:

Bao Agula, Si Qin Dalai

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Dehydrogenation of Propane, Mesoporous, Propene

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