Comparison of various advanced oxidation processes for azo dye degradation

被引：8
|
作者：
de Amorim, Camila Costa [1 ,2 ]
Diniz Leao, Monica Maria [3 ]
Peralta Muniz Moreira, Regina de Fatima [4 ]
机构：
[1] Univ Fed Minas Gerais, Programa Posgrad Saneamento Meio Ambiente & Recur, Belo Horizonte, MG, Brazil
[2] Univ Fed Ouro Preto, Inst Ciencias Exatas & Aplicadas, Ouro Preto, MG, Brazil
[3] Univ Fed Minas Gerais, Dept Engn Sanitaria & Ambiental, Belo Horizonte, MG, Brazil
[4] Univ Fed Santa Catarina, Dept Engn Quim & Engn Alimentos, BR-88040900 Florianopolis, SC, Brazil
来源：
ENGENHARIA SANITARIA E AMBIENTAL | 2009年 / 14卷 / 04期
关键词：
UV/H2O2; Fenton; photo-Fenton; reuse of blast furnace waste; Reactive Red 195; oxidation kinetics; REACTIVE DYES; PHOTOCATALYTIC DEGRADATION; AQUEOUS-SOLUTION; FENTON OXIDATION; WASTE-WATER; REMOVAL; ADSORPTION; EFFLUENT; SLURRY;
D O I：
10.1590/S1413-41522009000400014
中图分类号：
TV21 [水资源调查与水利规划];
学科分类号：
081501 ;
摘要：
This study aimed at comparing various advanced oxidation processes (H2O2, UV, UV/H2O2, Fe2+/H2O2, UV/Fe2+/H2O2) for textile dye Reactive Red 195 decolorization. The use of blast furnace dust (BFD) was also investigated as an alternative source of iron in catalytic peroxidation with and without UV radiation. The effects of H2O2 and dye concentrations in kinetics of decolorization were studied. Decolorization reactions follow pseudo-first order kinetics. The results indicated greater efficiency of decolorization in the photo-Fenton system with the use of BFD; however, the use of BFD in the Fenton system without irradiation reached the same efficiency with a reaction time only 15 minutes superior. The use of blast furnace dust increased considerably the rates of reactions and is very promising as a source of iron.
引用
收藏
页码：543 / 550
页数：8
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