期刊
CHEMICAL ENGINEERING JOURNAL
卷 168, 期 3, 页码 1073-1078出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.cej.2011.01.087
关键词
Rodamine B; Degradation; Kinetic; Hydrogen peroxide; Metal oxide; Rate constant
In this research, the kinetics of degradation of Rodamine B in the presence (hydrogen peroxide), (hydrogen peroxide + aluminum oxide), (hydrogen peroxide + nano-sized aluminum oxide) and (hydrogen peroxide + iron oxide) were studied. The order of reaction respect to the reactants (Rodamine B, hydrogen peroxide, iron oxide, aluminum oxide and nano-sized aluminum oxide) were determined by concentration dependency of the rate of degradation to each mentioned reactants. The rate constants of degradation of Rodamine B were determined for the examined systems. The obtained results show that the efficiency of the examined systems for the degradation of Rodamine B as follow: (FeO + H2O2) > (nano-sized Al2O3 + H2O2) > (Al2O3 + H2O2) > (H2O2). (C) 2011 Elsevier B.V. All rights reserved.
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