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Polyoxometalate-mediated electron transfer–oxygen transfer oxidation of cellulose and hemicellulose to synthesis gas

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  • Bidyut Bikash Sarma

    (Weizmann Institute of Science)

  • Ronny Neumann

    (Weizmann Institute of Science)

Abstract

Terrestrial plants contain ~70% hemicellulose and cellulose that are a significant renewable bioresource with potential as an alternative to petroleum feedstock for carbon-based fuels. The efficient and selective deconstruction of carbohydrates to their basic components, carbon monoxide and hydrogen, so called synthesis gas, is an important key step towards the realization of this potential, because the formation of liquid hydrocarbon fuels from synthesis gas are known technologies. Here we show that by using a polyoxometalate as an electron transfer–oxygen transfer catalyst, carbon monoxide is formed by cleavage of all the carbon–carbon bonds through dehydration of initially formed formic acid. In this oxidation–reduction reaction, the hydrogen atoms are stored on the polyoxometalate as protons and electrons, and can be electrochemically released from the polyoxometalate as hydrogen. Together, synthesis gas is formed. In a hydrogen economy scenario, this method can also be used to convert carbon monoxide to hydrogen.

Suggested Citation

  • Bidyut Bikash Sarma & Ronny Neumann, 2014. "Polyoxometalate-mediated electron transfer–oxygen transfer oxidation of cellulose and hemicellulose to synthesis gas," Nature Communications, Nature, vol. 5(1), pages 1-6, December.
    • Handle: RePEc:nat:natcom:v:5:y:2014:i:1:d:10.1038_ncomms5621
    DOI: 10.1038/ncomms5621
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    1. Gromov, Nikolay V. & Medvedeva, Tatiana B. & Lukoyanov, Ivan A. & Ogorodnikova, Olga L. & Panchenko, Valentina N. & Parmon, Valentin N. & Timofeeva, Maria N., 2024. "Hydrolysis-oxidation of starch to formic acid in the presence of vanadium-containing molybdophosphoric heteropoly acid (H3+xPMo12-xVxO40): Effect of acidity and vanadium content on the yield of formic," Renewable Energy, Elsevier, vol. 220(C).
    2. Shen, Feng & Li, Ye & Qin, Xiaoya & Guo, Haixin & Li, Jialu & Yang, Jirui & Ding, Yongzhen, 2022. "Selective oxidation of cellulose into formic acid over heteropolyacid-based temperature responsive catalysts," Renewable Energy, Elsevier, vol. 185(C), pages 139-146.

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