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Nanofibers and amorphous Ni/Al2O3 catalysts — effect of steric hindrance on hydrogenation performance

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Abstract

In this study, we have demonstrated the significance of steric hindrance on the activity of a typical heterogeneous catalyst, Ni/Al2O3, for the hydrogenation of the biomass-derived furans. The nanofibrous Ni–Al2O3 catalyst, prepared via an electrospinning method, possessed a much lower specific area and nickel atom percentage on the surface than the amorphous Ni/γ-Al2O3 catalyst, but showed a much superior activity for the hydrogenation of the furans. At room temperature, the conversion of furfural reached 99.0% over the nanofibrous Ni–Al2O3, while the Ni/γ-Al2O3 catalyst showed negligible activity, originating from their varied steric hindrances of accessing the nickel sites by the organic feedstock.

Graphical abstract: Nanofibers and amorphous Ni/Al2O3 catalysts — effect of steric hindrance on hydrogenation performance

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Publication details

The article was received on 22 May 2019, accepted on 24 Jul 2019 and first published on 24 Jul 2019


Article type: Communication
DOI: 10.1039/C9CY00985J
Catal. Sci. Technol., 2019, Advance Article

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    Nanofibers and amorphous Ni/Al2O3 catalysts — effect of steric hindrance on hydrogenation performance

    Z. Zhang, K. Sun, Y. Ma, Q. Liu, Q. Li, S. Zhang, Y. Wang, Q. Liu, D. Dong and X. Hu, Catal. Sci. Technol., 2019, Advance Article , DOI: 10.1039/C9CY00985J

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