Ozonation with ultrasonic enhancement of p-nitrophenol wastewater

被引：6
|
作者：
徐献文
史惠祥
汪大翚
机构：
[1] Department of Environmental Science and Engineering
[2] Hangzhou 310027
[3] Zhejiang University
[4] China
来源：
Journal of Zhejiang University Science | 2005年 / 05期
关键词：
Ozonolysis; Sonolysis; Synergetic effect; p-nitrophenol degradation;
D O I：
暂无
中图分类号：
X703.1 [技术方法];
学科分类号：
083002 ;
摘要：
Synergetic effects for p-nitrophenol degradation were observed in the ozonation with ultrasonic enhancement. The enhancements of removal rate for p-nitrophenol and TOC were around 116% and 294% respectively in comparison with the individual ultrasound and ozonation systems. The synergetic phenomenon is attributed to two physicochemical mechanisms: (1) Ultrasound decomposes ozone causing augmentation of the activity of free radicals; (2) Ultrasonic wave increased the concen- tration of O3 in solution because of ultrasonic dispersion.
引用
收藏
页码：319 / 323
页数：5
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