P19 超音波反応場を利用したビスフェノールA分解過程の解析 : アルゴン雰囲気下において(第I部,ポスター発表)

概要

論文の詳細を見る
The sonochemical degradation of bisphenol A in aqueous solution was investigated at different ultrasonic intensities under argon atmosphere. Bisphenol A (0.50 mM) was completely degraded after 10, 8 and 6 h of ultrasonic irradiation at a frequency of 404 kHz, and intensities of 3.5, 9.0 and 12.9 kW/m^2 with the total organic carbon concentration (TOC) reduction of about 30%, 45%, and 65%, respectively. The relationship between bisphenol A degradation and formation of hydrogen peroxide was taken into account, correlating this to the radicals that take part in the degradation process. The intermediates produced in this reaction process were observed by GC/MS. The estrogenic activity of bisphenol A before and after ultrasound was also analyzed and correlated to estradiol concentration. After 10 h of ultrasonic irradiation, in the optimized conditions, the estrogenic activity was lower than a detection point.
日本ソノケミストリー学会の論文
2008-12-05