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In relation to this article, we declare that there is no conflict of interest.
Publication history
Received July 27, 2013
Accepted March 18, 2014
articles This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/bync/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
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Removal of tylosin from aqueous solution by UV/nano Ag/S2O8^(2-) process : Influence of operational parameters and kinetic study

Department of Chemistry, Faculty of Sciences, University of Zanjan, Zanjan, Iran
m_h_rasoulifard@znu.ac.ir
Korean Journal of Chemical Engineering, September 2014, 31(9), 1577-1581(5), 10.1007/s11814-014-0083-6
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Abstract

The present work deals with the photooxidative degradation of tylosin antibiotic (TYL) in the presence of potassium peroxydisulfate (K2S2O8) irradiated by UV-C in the presence of immobilized nano silver. Effects of pH, temperature, peroxydisulfate concentration and immobilized nano silver dosage on the degradation efficiency of TYL were examined. Degradation efficiency was small when the oxidation was carried out in the absence of UV irradiation. Results showed that degradation of TYL increases with temperature, nano Ag and peroxydisulfate initial concentration and decreases with pH. Due to UV/nano Ag/S2O8^(2-) processes, more than 90% of TYL can be degraded at room temperature in 35 min at an initial concentration of 50 mgl^(-1). Degradation reaction order of TYL by UV/nano Ag/S2O8^(2-) process is 1.89. Meanwhile, the initial rates of degradation in UV/nano Ag/S2O8^(2-) processes can be described well by the Langmuir-Hinshelwood kinetic model.

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