Decolorization of Azo Dyes CIAcid Yellow 17 and CIDirect Red 31 by Dielectric-Barrier Discharge Air Plasma

被引：9

作者：

Zhao, Jing ^{[1
,2
]}

Chen, Jierong ^{[1
]}

Gao, Juan ^{[1
]}

机构：

[1] Xi An Jiao Tong Univ, Dept Environm Sci & Engn, Xian 710049, Peoples R China

[2] Xian Technol Univ, Sch Mat & Chem Engn, Xian 710032, Peoples R China

来源：

IEEE TRANSACTIONS ON PLASMA SCIENCE | 2010年 / 38卷 / 03期

关键词：

Azo dyes; decolorization; dielectric-barrier discharge (DBD) plasma; WASTE-WATER; ELECTROCHEMICAL DEGRADATION; OXIDATION; TIO2; DECOLORATION; OZONATION; KINETICS; INDUSTRY; SURFACE; LIGHT;

D O I：

10.1109/TPS.2009.2039232

中图分类号：

O35 [流体力学]; O53 [等离子体物理学];

学科分类号：

070204 ; 080103 ; 080704 ;

摘要：

In this paper, dielectric-barrier discharge plasma was applied to the decolorization and degradation of the azo dyes C. I. Acid Yellow 17 and C. I. Direct Red 31. The experimental results have shown that the decolorization and degradation percentage increases with rising applied voltages and current intensity and decreasing air-gap distances. When the air-gap distances were 4 mm and the voltage was 17 kV, the decolorization and degradation percentages went up to 100% and 91% in 180 s, respectively. Operations under optimum condition also had higher treatment efficiency after about two more minutes of treatment. Time extension after treatment could also lead to the rise of decolorization and degradation percentages.

引用

页码：488 / 495

页数：8

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