11. 有機塩素化合物の光触媒分解と超音波分解

概要

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The oxidative degradation of chloroform by heterogeneous photocatalysis and by sonolysis have been investigated. The photocatalysis using TiO_2(P25) resulted in the formation of carbon dioxide and chloride ion as the main products as well as some organic chlorides as minor products. Simultaneous irradiation of ultrasound with the photo-irradiation enhanced the mineralization to form CO_2and Cl^-,suggesting that the products of the sonolysis,which were organic chlorides such as chloroacetic acids, are oxidized more rapidly to be mineralized than original compound. The same experiments were performed for mono,di and tri chloroacetic acids as for chloroform and the similar results were obtained.
日本ソノケミストリー学会の論文
1997-10-01