Ultrasonic degradation of Rhodamine B in the presence of hydrogen peroxide and some metal oxide

被引：72
作者：
Mehrdad, Abbas [1 ]
Hashemzadeh, Robab [2 ]
机构：
[1] Univ Tabriz, Fac Chem, Dept Phys Chem, Tabriz, Iran
[2] PayameNoor Univ Tabriz, Dept Chem, Tabriz, Iran
来源：
ULTRASONICS SONOCHEMISTRY | 2010年 / 17卷 / 01期
关键词：
Rodamine B; Ultrasonic degradation; Kinetic; Hydrogen peroxide; Metal oxide; AQUEOUS-SOLUTION; PHOTOCATALYTIC DEGRADATION; WASTE-WATER; REMOVAL;
D O I：
10.1016/j.ultsonch.2009.07.003
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
In this research, degradation of Rodamine B in the presence of (hydrogen peroxide). (hydrogen peroxide + ultrasound), (hydrogen peroxide + aluminum oxide), (hydrogen peroxide + aluminum oxide + ultrasound with different ultrasound power), (hydrogen peroxide + iron oxide) and (hydrogen peroxide + iron oxide + ultrasound with different ultrasound power) were investigated at 25 degrees C. The apparent rate constants for the examined systems were calculated by pseudo-first-order kinetics. The results indicate that the rate of degradation was accelerated by ultrasound. The rate of degradation was increased by increasing power ultrasound. The efficiency of the (hydrogen peroxide + iron oxide + ultrasound) system for degradation of Rodamine B was higher than the others examined. (C) 2009 Elsevier B.V. All rights reserved.
引用
收藏
页码：168 / 172
页数：5
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