Structure sensitivity in catalytic hydrogenation of glucose over ruthenium

• Selective hydrogenation of glucose.
• Carbon nanotubes as support.
• Reaction is structure sensitive.
• Rate maximum at Ru cluster size 3 nm.

The structure sensitivity was studied in the hydrogenation of glucose to sorbitol over supported ruthenium catalysts in a semi-batch reactor. Ruthenium on carbon supports with different ruthenium particle sizes was prepared and evaluated in the hydrogenation experiments. The highest turnover frequency was obtained with a catalyst bearing average ruthenium particle size of ca. 3 nm.

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