1. State Key Laboratory of Heavy Oil Processing, China University of Petroleum (East China), Qingdao 266580, China
2. Engineering Research Centre for Waste Oil Recovery Technology and Equipment of Ministry of Education, Chongqing Technology and Business University, Chongqing 400067, China
3. Chongqing Key Laboratory of Manufacturing Equipment Design and Control, Chongqing Technology and Business University, Chongqing 400067, China