Effective degradation of CI Acid Red 73 by advanced Fenton process

被引：111

作者：

Fu, Fenglian ^{[1
]}

Wang, Qi ^{[2
]}

Tang, Bing ^{[1
]}

机构：

[1] Guangdong Univ Technol, Sch Environm Sci & Engn, Guangzhou 510006, Guangdong, Peoples R China

[2] Guangdong Univ Technol, Fac Appl Math, Guangzhou 510006, Guangdong, Peoples R China

来源：

JOURNAL OF HAZARDOUS MATERIALS | 2010年 / 174卷 / 1-3期

关键词：

Zero-valent iron; Advanced Fenton process; Acid Red 73; Degradation; ZERO-VALENT IRON; AZO-DYE; AQUEOUS-SOLUTION; ACTIVATED CARBON; WASTE-WATER; DECOLORIZATION; OXIDATION; KINETICS; SYSTEM; ORANGE;

D O I：

10.1016/j.jhazmat.2009.09.009

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The degradation of C.I. Acid Red 73 (AR 73) was investigated by advanced Fenton process based on zero-valent iron and hydrogen peroxide. The effect of zero-valent iron dosage, hydrogen peroxide concentration, initial pH, initial dye concentration, mixing rate and temperature on the degradation of AR 73 was studied. The results showed that AR 73 removal efficiency increased with the increase of zero-valent iron addition, hydrogen peroxide concentration, mixing rate and temperature, but decreased with the increase of initial pH value. The residual concentration of AR 73 was only 6.4 mg/L after 30 min treatment at optimum conditions for 200.0 mg/L AR 73 initial concentration. And advanced Fenton process can partly remove COD values of AR 73. The activation energy of the degradation reaction is 31.98 kJ/mol. (C) 2009 Elsevier B.V. All rights reserved.

引用

页码：17 / 22

页数：6

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