US/O3 combination degradation of aniline in aqueous solution

被引：66

作者：

Song, Shuang ^{[1
]}

He, Zhiqiao ^{[1
]}

Chen, Jianmeng ^{[1
]}

机构：

[1] Zhejiang Univ Technol, Coll Biol & Environm Engn, Hangzhou 310032, Peoples R China

来源：

ULTRASONICS SONOCHEMISTRY | 2007年 / 14卷 / 01期

基金：

中国国家自然科学基金;

关键词：

aniline; ultrasound; ozone; synergetic effect;

D O I：

10.1016/j.ultsonch.2005.11.010

中图分类号：

O42 [声学];

学科分类号：

070206 ; 082403 ;

摘要：

The influencing factors and mechanism of ultrasound (US)/ozone (O-3) combination degradation of aniline in water were investigated. An increment of approximately 64% of aniline reduction and 110% of TOC reduction were observed with respect to the addition of the separated 03 and US systems, proving US/O-3 technology had significant synergetic effects. Excellent removal performance was observed in the degradation with US/O-3. With the initial concentration of aniline at 100 mg l(-1), the energy density of ultrasound at 0.1 W ml(-1) and the flow rate of ozone at 2 mg min(-1), the removal efficiency of aniline would be at least 82% and that of TOC would be at least 20% after reaction for 5 min. Major by-products included nitrobenzene, p-benzoquinone, p-aminophenol, carboxylic acid, etc. (c) 2005 Elsevier B.V. All rights reserved.

引用

页码：84 / 88

页数：5

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