1. Catalysis Research Laboratory, Department of Chemistry, Faculty of Science, University of Birjand, Birjand 97179-414, Iran
2. Key Laboratory of Jiangxi Province for Persistent Pollutants Control and Resources Recycle, Nanchang 330063, P. R. China
3. Department of Environmental and Chemical Engineering, Nanchang Hangkong University, Nanchang 330063, P. R. China