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Issue 23, 2019
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Structure and surface characteristics of Fe-promoted Ni/Al2O3 catalysts for hydrogenation of 1,4-butynediol to 1,4-butenediol in a slurry-bed reactor

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Abstract

A series of nanostructured Ni–xFe/Al2O3 catalysts with different Fe doping concentrations (x = 0, 1, 3, 5, 7 and 9 wt%) were prepared by the sol–gel combustion (SGC) synthesis method. The Ni/Al2O3 catalysts with introduced Fe exhibited higher activity and stability for the hydrogenation of 1,4-butynediol to 1,4-butenediol, compared to Ni/Al2O3. The effects of Fe loading on the physicochemical properties of Ni/Al2O3 catalysts as well as their catalytic performances for 1,4-butynediol hydrogenation to 1,4-butenediol were studied in detail. The improved catalytic performances of Ni–xFe/Al2O3 over that of Ni/Al2O3 were ascribed to the varied metal–support interaction and active site dispersion, as well as the formation of NiFe2O4. Given that more β1-type NiO phase was formed with the doping of Fe, the Ni–3Fe/Al2O3 catalyst reached the highest activity and stability.

Graphical abstract: Structure and surface characteristics of Fe-promoted Ni/Al2O3 catalysts for hydrogenation of 1,4-butynediol to 1,4-butenediol in a slurry-bed reactor

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Publication details

The article was received on 17 Jun 2019, accepted on 20 Oct 2019 and first published on 22 Oct 2019


Article type: Paper
DOI: 10.1039/C9CY01195A
Catal. Sci. Technol., 2019,9, 6598-6605

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    Structure and surface characteristics of Fe-promoted Ni/Al2O3 catalysts for hydrogenation of 1,4-butynediol to 1,4-butenediol in a slurry-bed reactor

    H. Wu, L. Guo, F. Ma, Y. Wang, W. Mo, X. Fan, H. Li, Y. Yu, I. Mian and N. Tsubaki, Catal. Sci. Technol., 2019, 9, 6598
    DOI: 10.1039/C9CY01195A

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