P11 ビスフェノールAの酸素下における超音波分解メカニズム : Fenton反応との比較

概要

論文の詳細を見る
In the degradation of Bisphenol A (BPA) under various dissolved gases (argon, nitrogen, oxygen), generation of OH radicals by Fenton reagent (FeSO_4+H_2O_2) was examined in comparison with sonolysis. Dissolved oxygen had no effect on the degradation rate of BPA when OH radicals were major reactants. Of the three dissolved gases, the highest sonochemical degradation rate of BPA was obtained for oxygen. A characteristic decomposition intermediate was detected for gases containing oxygen. On the other hand, the degradation rate was not influenced by dissolved gases for Fenton reaction. All of the intermediates for Fenton reaction were found to be different from that for sonochemical degradation. Therefore, the intermediate for sonolysis was never formed by oxygen-gas-mediated OH radical reaction. We thus suspect that the intermediate was formed through the pathways not involving OH.
日本ソノケミストリー学会の論文
2005-10-14