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Keywords:

  • biomass;
  • carbohydrates;
  • heterogeneous catalysis;
  • heteropolyacids;
  • oxidation

Abstract

An efficient catalytic system for biomass oxidation to form formic acid was developed. The conversion of glucose to formic acid can reach up to 52 % yield within 3 h when catalyzed by 5 mol % of H5PV2Mo10O40 at only 373 K using air as the oxidant. Furthermore, the heteropolyacid can be used as a bifunctional catalyst in the conversion of cellulose to formic acid (yield=35 %) with air as the oxidant.