G224 Decomposition of saccharides using in-liquid plasma

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  • G224 液中プラズマを用いた糖類の分解(OS-17: プラズマ革新技術の展開(2))

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The purpose of this experiment is conversion of cellulose dispersed in water as fuel using in-liquid plasma. 27.12 MHz high-frequency plasma was generated in aqueous suspension of cellulose powder or aqueous solution of glucose which is monosaccharide. The gas production rate was measured and the components of the gas production were analyzed. When the concentration of cellulose was 40wt% or higher, the production rate became remarkably high because the ball-like aggregation of hydrous cellulose fell into the plasma and the cellulose was decomposed directly by plasma. On the other hand, the glucose and cellulose with 27wt% or lower was decomposed indirectly by plasma, because the emission spectrum from the species which comprises carbon atom was not detected by spectroscopic analysis.

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