Mineralization of Reactive Black 5 in aqueous solution by basic oxygen furnace slag in the presence of hydrogen peroxide

被引：30

作者：

Chiou, CS

Chang, CF

Chang, CT

Shie, JL

Chen, YH

机构：

[1] Natl ILan Univ, Dept Environm Engn, Ilan 260, Taiwan

[2] Tunghai Univ, Dept Environm Sci, Taichung 407, Taiwan

[3] Natl Taiwan Univ, Grad Inst Environm Engn, Taipei 106, Taiwan

来源：

CHEMOSPHERE | 2006年 / 62卷 / 05期

关键词：

basic oxygen furnace slag; Fenton reaction; RB5; mineralization; decoloration;

D O I：

10.1016/j.chemosphere.2005.04.072

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Basic oxygen furnace slag (BOF slag) is a solid waste arisen from the steel making process. FeO is one of the major components of BOF slag. The FeO-containing property of BOF slag makes it possible to catalyze the Fenton reaction. Reactive Black 5 (RB5) dye is chosen as the target compound in this study. This study has investigated the catalytic performance of BOF slag on the Fenton reaction to decompose RB5 in aqueous solution. A first-order kinetic model with respect to TOC was adopted to explain the mineralization of RB5 by the H2O2/BOF slag process. The experimental results in this study suggested that dosage with 1.49 x 10(-4) M min(-1) H2O2 and 12.5 g l(-1) BOF slag in the solution at pH 2 provided the optimal operation conditions for the mineralization of RB5 yielding a 51.2% treatment efficiency at 100 min reaction time, and complete decoloration can be achieved within 30 min reaction time. The H2O2/Fe2+ ratio was then determined to be 6.06:1. (c) 2005 Elsevier Ltd. All rights reserved.

引用

页码：788 / 795

页数：8

共 21 条

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