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Degradation of Diclofenac by Co3O4-catalyzed Activation of Oxone Process
-
Yongfang Rao
,
Meijuan Chen
Published/Copyright:
November 30, 2016
Abstract
Diclofenac (DCF) is one of the most frequently detected pharmaceuticals in the aquatic environment. This study investigated the heterogeneous activation of Oxone by Co3O4 nanoparticles to eliminate DCF in aqueous phase. The performance of Co3O4/Oxone process was optimized by examining the influence of various parameters such as pH levels, Co3O4 dosage, oxone concentration, DCF initial concentration and the presence of inorganic anions on the degradation rate of DCF. The mechanism of the heterogeneous catalysis (Co3O4/Oxone) was also elucidated through comparing XRD patterns and Co 2p XPS spectra of Co3O4 nanoparticles before and after the degradation reaction of DCF by Co3O4/Oxone process.
Received: 2013-9-9
Revised: 2014-1-6
Accepted: 2014-1-6
Published Online: 2016-11-30
Published in Print: 2014-1-1
© 2016 by Walter de Gruyter Berlin/Boston
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