Treatment characteristic of 1,4-dioxane by ozone-based advanced oxidation processes

被引：41
|
作者：
Kwon, Soon Chul [2 ]
Kim, Joo Yeon [2 ]
Yoon, Sung Min [2 ]
Bae, Wisup [3 ]
Kang, Kyung Seok [4 ]
Rhee, Young Woo [1 ]
机构：
[1] Chungnam Natl Univ, Grad Sch Green Energy Technol, Taejon 305764, South Korea
[2] Chungnam Natl Univ, Dept Appl Chem & Biol Engn, Taejon 305764, South Korea
[3] Sejong Univ, Dept Earth & Environm Sci, Seoul 143747, South Korea
[4] Siontech Inc, Taejon 305500, South Korea
来源：
JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY | 2012年 / 18卷 / 06期
关键词：
1,4-Dioxane; Ozonation; Advanced oxidation process; HYDROGEN-PEROXIDE; WATER; DEGRADATION; REMOVAL;
D O I：
10.1016/j.jiec.2012.05.010
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The effectiveness of different ozone-based advanced oxidation processes on the treatment of 1,4-dioxane in aqueous solution was investigated in a lab-scale reactor. The removal efficiency of 1,4-dioxane was studied under different initial pH and H2O2 concentrations. Degradation (18%) of COD was observed with the application of UV-C alone, but the degradation of COD was greatly enhanced by a combined method, O-3/H2O2/UV (94%). It appears, however, that an excess amount of hydrogen peroxide in the solution retards the decomposition of 1,4-dioxane. At pH 10 and an H2O2/O-3 ratio of 0.5, 1,4-dioxane in aqueous solution showed the highest degradation rate. Crown Copyright (C) 2012 Published by Elsevier B.V. on behalf of The Korean Society of Industrial and Engineering Chemistry. All rights reserved.
引用
收藏
页码：1951 / 1955
页数：5
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