Photo splitting of bio-polyols and sugars to methanol and syngas

Min Wang, Meijiang Liu, Jianmin Lu and Feng Wang ()
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Min Wang: Chinese Academy of Sciences
Meijiang Liu: Chinese Academy of Sciences
Jianmin Lu: Chinese Academy of Sciences
Feng Wang: Chinese Academy of Sciences

Nature Communications, 2020, vol. 11, issue 1, 1-9

Abstract: Abstract Methanol is a clean liquid energy carrier of sunshine and a key platform chemical for the synthesis of olefins and aromatics. Herein, we report the conversion of biomass-derived polyols and sugars into methanol and syngas (CO+H2) via UV light irradiation under room temperature, and the bio-syngas can be further used for the synthesis of methanol. The cellulose and even raw wood sawdust could be converted into methanol or syngas after hydrogenolysis or hydrolysis pretreatment. We find Cu dispersed on titanium oxide nanorod (TNR) rich in defects is effective for the selective C−C bond cleavage to methanol. Methanol is obtained from glycerol with a co-production of H2. A syngas with CO selectivity up to 90% in the gas phase is obtained via controlling the energy band structure of Cu/TNR.

Date: 2020
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DOI: 10.1038/s41467-020-14915-8

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