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