Heterogeneous Fenton process using steel industry wastes for methyl orange degradation

被引：55

作者：

Ali M.E.M. ^{[1
]}

Gad-Allah T.A. ^{[1
]}

Badawy M.I. ^{[1
]}

机构：

[1] Water Pollution Research Department, National Research Centre, Cairo

来源：

Ali, M. E. M. (alienv81@yahoo.com) | 1600年 / Springer Verlag卷 / 03期

关键词：

Decolorization; Fenton-like reaction; Methyl orange; Steel waste;

D O I：

10.1007/s13201-013-0078-1

中图分类号：

学科分类号：

摘要：

Steel industry wastes (iron-containing waste) could be used as a Fenton-catalyst for the decolorization of methyl orange dye. Various reaction conditions were investigated including catalyst concentration, hydrogen peroxide concentration and pH value. The obtained results indicated that the dye degradation rate increases with increasing catalyst and hydrogen peroxide (H2O2) concentrations and with decreasing pH value. Over 98 % decolorization of the dye was achieved within 30 min at optimum reaction conditions; 200 mg/L catalyst and 34 mM H2O2 concentrations at pH 2 for 20 mg/L initial dye concentration. Reaction kinetics was also carried out to determine the order of reaction in both catalyst and H2O2 concentrations. Stability and reusability of Iron-containing waste were investigated. The iron-containing waste as catalyst can be reused several times with nearly same efficiency of Fenton-like oxidation of MO. © 2013 The Author(s).

引用

页码：263 / 270

页数：7

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