1. Engineering
Research Center for Waste Oil Recovery Technology and Equipment, Ministry
of Education, Chongqing Technology and Business University, Chongqing 400067, China
2. College
of Materials Science and Engineering, Chongqing University, Chongqing 400044, China
3. Department
of Chemistry, University of Virginia, Charlottesville, Virginia 22904, United States
4. The
Key Laboratory of Eco-environments in Three Gorges Reservoir Region,
Ministry of Education, College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China