Reducing degradation of azo dye by zero-valent iron in aqueous solution

被引：254

作者：

Cao, JS ^{[1
]}

Wei, LP ^{[1
]}

Huang, QG ^{[1
]}

Wang, LS ^{[1
]}

Han, SK ^{[1
]}

机构：

[1] Nanjing Univ, Dept Environm Sci & Engn, Pollut Control & Resources Reuse Natl Key Lab, Nanjing 210093, Peoples R China

来源：

CHEMOSPHERE | 1999年 / 38卷 / 03期

关键词：

D O I：

10.1016/S0045-6535(98)00201-X

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The reducing degradation kinetics of five ate dyes, Acid orange II, Acid orange IV, Acid orange GG, Acid red 3B and Orange I, by zero-valent iron powder in aqueous solution were studied. It showed that the degradation is a two-step reaction, with the first step being reversible. Solution acidity and iron surface area are the factors greatly influencing the degradation rates, and with increasing of acidity and iron surface area, the degradation rates increase. (C) 1998 Elsevier Science Ltd. All rights reserved.

引用

页码：565 / 571

页数：7

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