Photo Fenton degradation of high concentration Orange II (2 mM) using catalysts containing Fe: A comparative study

Feng, Jiyun, Hu, Xijun, Yue, Po Lock and Qiao, Shizhang (2009) Photo Fenton degradation of high concentration Orange II (2 mM) using catalysts containing Fe: A comparative study. Separation and Purification Technology, 67 2: 213-217. doi:10.1016/j.seppur.2009.03.013


Author Feng, Jiyun
Hu, Xijun
Yue, Po Lock
Qiao, Shizhang
Title Photo Fenton degradation of high concentration Orange II (2 mM) using catalysts containing Fe: A comparative study
Journal name Separation and Purification Technology   Check publisher's open access policy
ISSN 1383-5866
Publication date 2009-06-02
Year available 2009
Sub-type Article (original research)
DOI 10.1016/j.seppur.2009.03.013
Volume 67
Issue 2
Start page 213
End page 217
Total pages 5
Editor G. Chen
A. de Haan
C. Tien
B. Van der Bruggen
Place of publication United Kingdom
Publisher Pergamon
Collection year 2010
Language eng
Subject C1
090402 Catalytic Process Engineering
100708 Nanomaterials
850402 Hydrogen-based Energy Systems (incl. Internal Hydrogen Combustion Engines)
Formatted abstract
Photo Fenton discoloration and mineralization of high concentration Orange II (2 mM) was conducted by using three catalysts containing Fe in the presence of 2 x 8 W UVC light (254 nm) and 100 mM H2O2 at an initial solution pH of 3.0. The three catalysts are laponite clay based Fe nanocomposite (Fe-Lap-RD), betonite clay based Fe nanocomposite (Fe-B), and iron oxide hydrated (FeOOH). All of them showed a good photo catalytic activity in the discoloration of 2 mM Orange II. 100% discoloration was achieved within 120 min in the presence of 1.0 g Fe-Lap-RD/L while 100% discoloration needs 180 min reaction in the presence of 1.0 g Fe-B or FeOOH. In terms of discoloration, the efficiency of the catalysts follows the order: Fe-Lap-RD > Fe-B approximate to FeOOH. However, in the mineralization of 2 mM Orange II, only Fe-Lap-RD and Fe-B showed good photo catalytic activity while FeOOH showed poor photo catalytic activity after 300 min reaction. in the cases of 1.0 g Fe-Lap-RD/L and Fe-B, more than 95-98% TOC removal of 2 mM Orange II can be achieved while only 82% TOC removal was obtained in the presence of 1.0 g FeOOH/L. In terms of the final TOC removal, the efficiency of the three catalysts follows the order: Fe-Lap-RD > Fe-B > FeOOH. The efficiency of 1.0 g Fe-Lap-RD/L is similar to that of 10 mg Fe3+/L. The results revealed that using Fe-Lap-RD as a heterogeneous catalyst for the degradation of high concentration Orange II is successful. Furthermore, Our results also illustrate that both homogeneous and heterogeneous photo Fenton reactions are responsible for the complete discoloration and mineralization of high concentration Orange II. © 2009 Elsevier B.V. All rights reserved.
Keyword Photo Fenton
Heterogeneous catalyst
Clay
Wastewater
Q-Index Code C1
Q-Index Status Confirmed Code

Document type: Journal Article
Sub-type: Article (original research)
Collections: 2010 Higher Education Research Data Collection
Australian Institute for Bioengineering and Nanotechnology Publications
 
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Created: Fri, 26 Mar 2010, 11:06:11 EST by Sharon Paterson on behalf of Aust Institute for Bioengineering & Nanotechnology