Propane wet reforming over PtSn nanoparticles on γ-Al2O3 for acetone synthesis

Xinlong Ma, Haibin Yin, Zhengtian Pu, Xinyan Zhang, Sunpei Hu, Tao Zhou, Weizhe Gao, Laihao Luo (), Hongliang Li () and Jie Zeng ()
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Xinlong Ma: Deep Space Exploration Laboratory
Haibin Yin: University of Science and Technology of China
Zhengtian Pu: University of Science and Technology of China
Xinyan Zhang: University of Science and Technology of China
Sunpei Hu: University of Science and Technology of China
Tao Zhou: University of Science and Technology of China
Weizhe Gao: University of Toyama
Laihao Luo: University of Science and Technology of China
Hongliang Li: University of Science and Technology of China
Jie Zeng: Deep Space Exploration Laboratory

Nature Communications, 2024, vol. 15, issue 1, 1-12

Abstract: Abstract Acetone serves as an important solvent and building block for the chemical industry, but the current industrial synthesis of acetone is generally accompanied by the energy-intensive and costly cumene process used for phenol production. Here we propose a sustainable route for acetone synthesis via propane wet reforming at a moderate temperature of 350 oC with the use of platinum-tin nanoparticles supported on γ-aluminium oxide (PtSn/γ-Al2O3) as catalyst. We achieve an acetone productivity of 858.4 μmol/g with a selectivity of 57.8% among all carbon-based products and 99.3% among all liquid products. Detailed spectroscopic and controlled experiments reveal that the acetone is formed through a tandem catalytic process involving propene and isopropanol as intermediates. We also demonstrate facile ketone synthesis via wet reforming with the use of different alkanes (e.g., n-butane, n-pentane, n-hexane, n-heptane, and n-octane) as substrates, proving the wide applicability of this strategy.

Date: 2024
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DOI: 10.1038/s41467-024-52702-x

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