P03 ジカルボン酸のソノケミカル反応に対する光照射効果(第I部,ポスター発表)

概要

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In order to examine the synergistic effects of combining sonolysis and photocatalysis, sonophotocatalysis of oxalic acid and malonic acid were performed using TiO_2 such as rutile type. Synergistic effect was observed in all cases. The indexes of corroboration, however, were different. In this synergistic effect, hydrogen peroxide produced from solvent (H_2O) by sonolysis was thought to be played an important role. It is known that a photocatalytic reaction accelerates by addition of H_2O_2. Active oxygen species were produced in the process of decomposition of H_2O_2 by photocatalysis and they attacked to reactants. In the case of sonophotocatalysis, H_2O_2 also participated in the process of decomposition of oxalic acid and malonic acid.
日本ソノケミストリー学会の論文
2008-12-05