1. College of Chemistry and Chemical Engineering, Qilu Normal University, Jinan 250013, China
2. Shengli Oil Field Zhongsheng Petroleum Development Company, Dongying 257237, China
3. School of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng 252000, China
4. Gudong Oil Production Plant, Shengli Oilfield Company, SINOPEC, Dongying 257237, China