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Issue 7, 2012
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Selective oxidation of complex, water-insoluble biomass to formic acid using additives as reaction accelerators

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Abstract

The oxidation of complex, water-insoluble biomass to formic acid is reported using a Keggin-type polyoxometalate (H5PV2Mo10O40) as the homogeneous catalyst, oxygen as the oxidant, water as the solvent and p-toluenesulfonic acid as the best additive. The reaction proceeds at 90 °C and 30 bar O2 and transforms feedstock like wood, waste paper, or even cyanobacteria to formic acid and CO2 as the sole products. The reaction obtains up to 53% yield in formic acid for xylan as the feedstock within 24 h. Besides the role of the additive as a reaction promoter, the formic acid isolation and the recycling of catalyst and additive are demonstrated.

Graphical abstract: Selective oxidation of complex, water-insoluble biomass to formic acid using additives as reaction accelerators

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Publication details

The article was received on 20 Feb 2012, accepted on 13 Apr 2012 and first published on 13 Apr 2012


Article type: Paper
DOI: 10.1039/C2EE21428H
Citation: Energy Environ. Sci., 2012,5, 7956-7962
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    Selective oxidation of complex, water-insoluble biomass to formic acid using additives as reaction accelerators

    J. Albert, R. Wölfel, A. Bösmann and P. Wasserscheid, Energy Environ. Sci., 2012, 5, 7956
    DOI: 10.1039/C2EE21428H

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