1. College of Chemistry and Chemical Engineering, Southwest Petroleum University, 8 Xindu Avenue, Chengdu, Sichuan 610500, P R of China
2. Oil & Gas Field Applied Chemistry Key Laboratory of Sichuan Province, Southwest Petroleum University, 8 Xindu Avenue, Chengdu, Sichuan 610500, P R of China
3. Research Institute of Industrial Hazardous Waste Disposal and Resource Utilization, Southwest Petroleum University, Chengdu, Sichuan 610500, P R of China
4. Tianfu Yongxing Laboratory, Chengdu, Sichuan 610213, P R of China