1. College of Environmental Science and Engineering, Shaanxi University of Science and Technology, Xi’an 710021, China
2. Department of Chemistry, Faculty of Science, University of Maragheh, Maragheh P.O Box 55181-83111, Iran
3. Key Laboratory of Environmental Monitoring and Pollutant Control, College of Chemistry and Chemical Engineering, Shihezi University, Shihezi 832003, China