P7 鉄粉を添加した二酸化チタン懸濁水溶液における、二酸化炭素の光触媒還元と超音波化学反応

概要

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Effects of Fe powder on the photo-catalytic and sono-chemical reductions of carbon dioxide were examined. Methane was formed as a product in all of the reactions, photocatalysis, sono-chemical reactions in the solution with and without containing TiO_2, and both photo-catalytic and sono-chemical simultaneous reactions. Methane was not detected in the absence of Fe powder. The synergy effect of photo and ultrasonic simultaneous irradiation was not confirmed for the methane formation. Hydrogen was also found as a gaseous product. Cabon monoxide wasn't detected in all the reactions. Formation of Fe^<2+> and Fe^<3+> ions was confirmed in the solutions after the reactions. Sono-chemical methane formation was increased with the increase of added Fe powder up to 0.7g/100m1 in the solutions with containing TiO_2 powder.
日本ソノケミストリー学会の論文
2005-10-14