1. Institute of Process Equipment and Control EngineeringZhejiang University of Technology Hangzhou 310014 P. R. China
2. School of Chemical EngineeringNorth China University of Science and Technology Tangshan 063009 P. R. China
3. Key Laboratory for Green Chemical Technology of Ministry of EducationSchool of Chemical Engineering and TechnologyTianjin University Tianjin 300072 P. R. China
4. Key Laboratory of Materials Processing and Mold (Zhengzhou University)Ministry of Education Zhengzhou 450002 P. R. China