The effect of high-energy radiation on aqueous solution of Acid Red 1 textile dye

被引：26
|
作者：
Foeldvary, Cs. M. [1 ]
Wojnarovits, L. [1 ]
机构：
[1] Hungarian Acad Sci, Dept Radiat Chem, Inst Isotopes, H-1525 Budapest, Hungary
来源：
RADIATION PHYSICS AND CHEMISTRY | 2007年 / 76卷 / 8-9期
关键词：
Azophloxine; acid red 1; gamma-radiation; wastewater treatment;
D O I：
10.1016/j.radphyschem.2007.02.057
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The effect of high-energy radiation on Acid Red I (ARI) azo-dye solution was investigated by UV-Vis spectroscopy and chemical oxygen demand (COD) measurements. Doses in the order of 10 kGy cause complete decolouration of the 10(-3)-10(-4) mol dm(-3) solutions; however, for complete mineralization doses higher by 1-2 order of magnitude are needed. Hydrated electrons and H-circle atom are more effective in fading reaction, while the (OH)-O-circle radicals have higher efficiency in mineralization. The HO2 circle/O-2(circle-) radical-radical anion pair is rather inefficient in fading reaction. (C) 2007 Elsevier Ltd. All rights reserved.
引用
收藏
页码：1485 / 1488
页数：4
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