The effect of metal precursor on copper phase dispersion and nanoparticle formation for the catalytic transformations of furfural

Mohammed J. Islam; Marta Granollers Mesa; Amin Osatiashtiani; Martin J. Taylor; Jinesh C. Manayil; Christopher M.a. Parlett; Mark A. Isaacs; Georgios Kyriakou

doi:10.1016/j.apcatb.2020.119062

The effect of metal precursor on copper phase dispersion and nanoparticle formation for the catalytic transformations of furfural

Mohammed J. Islam, Marta Granollers Mesa, Amin Osatiashtiani, Martin J. Taylor, Jinesh C. Manayil, Christopher M.a. Parlett, Mark A. Isaacs, Georgios Kyriakou

Research output: Contribution to journal › Article

Abstract

The formation of copper-based catalysts ranging from nanoparticles to isolated and dimeric Cu species supported on nanophased alumina is reported and utilised for the catalytic liquid-phase hydrogenation of furfural. The materials were synthesised via wet impregnation using various copper precursors (nitrate, acetate and sulphate) at two different loadings. A high Cu loading (5.0 wt.%) led to the formation of well-defined nanoparticles, while a lower loading (1.0 wt.%) generated a highly dispersed phase consisting mostly of atomic and dimeric Cu species dispersed on Al ₂O ₃. The catalytic reaction was found to be structure sensitive, promoting decarbonylation reactions with low Cu loading. Copper sulphate derived catalysts were found to severely decrease furfuryl alcohol selectivity from 94.6% to 0.8%, promoting the formation of side reactions. The sulphur-free catalysts represent a greener and more sustainable alternative to the toxic catalysts currently used in industry, operating at milder conditions of 50 °C and 1.5 bar H ₂.

Original language	English
Article number	119062
Journal	Applied Catalysis B: Environmental
Volume	273
Early online date	28 Apr 2020
DOIs	https://doi.org/10.1016/j.apcatb.2020.119062
Publication status	Published - 15 Sep 2020

Bibliographical note

Keywords

Copper
Furfural
Hydrogenation
Nanoparticle
Single atom catalysts

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Islam, M. J., Granollers Mesa, M., Osatiashtiani, A., Taylor, M. J., Manayil, J. C., Parlett, C. M. A., Isaacs, M. A., & Kyriakou, G. (2020). The effect of metal precursor on copper phase dispersion and nanoparticle formation for the catalytic transformations of furfural. Applied Catalysis B: Environmental, 273, [119062]. https://doi.org/10.1016/j.apcatb.2020.119062

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abstract = "The formation of copper-based catalysts ranging from nanoparticles to isolated and dimeric Cu species supported on nanophased alumina is reported and utilised for the catalytic liquid-phase hydrogenation of furfural. The materials were synthesised via wet impregnation using various copper precursors (nitrate, acetate and sulphate) at two different loadings. A high Cu loading (5.0 wt.%) led to the formation of well-defined nanoparticles, while a lower loading (1.0 wt.%) generated a highly dispersed phase consisting mostly of atomic and dimeric Cu species dispersed on Al 2O 3. The catalytic reaction was found to be structure sensitive, promoting decarbonylation reactions with low Cu loading. Copper sulphate derived catalysts were found to severely decrease furfuryl alcohol selectivity from 94.6% to 0.8%, promoting the formation of side reactions. The sulphur-free catalysts represent a greener and more sustainable alternative to the toxic catalysts currently used in industry, operating at milder conditions of 50 °C and 1.5 bar H 2. ",

keywords = "Copper, Furfural, Hydrogenation, Nanoparticle, Single atom catalysts",

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The effect of metal precursor on copper phase dispersion and nanoparticle formation for the catalytic transformations of furfural. / Islam, Mohammed J.; Granollers Mesa, Marta; Osatiashtiani, Amin; Taylor, Martin J.; Manayil, Jinesh C.; Parlett, Christopher M.a.; Isaacs, Mark A.; Kyriakou, Georgios.

In: Applied Catalysis B: Environmental, Vol. 273, 119062, 15.09.2020.

Research output: Contribution to journal › Article

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AU - Islam, Mohammed J.

AU - Granollers Mesa, Marta

AU - Osatiashtiani, Amin

AU - Taylor, Martin J.

AU - Manayil, Jinesh C.

AU - Parlett, Christopher M.a.

AU - Isaacs, Mark A.

AU - Kyriakou, Georgios

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AB - The formation of copper-based catalysts ranging from nanoparticles to isolated and dimeric Cu species supported on nanophased alumina is reported and utilised for the catalytic liquid-phase hydrogenation of furfural. The materials were synthesised via wet impregnation using various copper precursors (nitrate, acetate and sulphate) at two different loadings. A high Cu loading (5.0 wt.%) led to the formation of well-defined nanoparticles, while a lower loading (1.0 wt.%) generated a highly dispersed phase consisting mostly of atomic and dimeric Cu species dispersed on Al 2O 3. The catalytic reaction was found to be structure sensitive, promoting decarbonylation reactions with low Cu loading. Copper sulphate derived catalysts were found to severely decrease furfuryl alcohol selectivity from 94.6% to 0.8%, promoting the formation of side reactions. The sulphur-free catalysts represent a greener and more sustainable alternative to the toxic catalysts currently used in industry, operating at milder conditions of 50 °C and 1.5 bar H 2.

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