Date: 15 Oct 2013

Production of carboxylic acids from glucose with metal oxides under hydrothermal conditions

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Abstract

Production of low molecular weight carboxylic acids from glucose with the addition of metal oxides under hydrothermal conditions was investigated. The results showed that CuO, as an oxidant can significantly promote the production of lactic acid, and can also promote the production of acetic acid and formic acid. Fe3O4 can also enhance lactic acid production as a catalyst. The highest yields of 37.1, 9.4, and 4.9 % for lactic acid, acetic acid, and formic acid were achieved, respectively, which occurred at 300 °C for 60 s with CuO 1.5 mmol, NaOH 2.5 M, and water filling 35 %.