1. Ph.D. Candidate, College of Chemical Engineering, Inner Mongolia Univ. of Technology, Hohhot 010051, P.R. China.
2. Lecturer, College of Chemical Engineering, Inner Mongolia Univ. of Technology, Hohhot 010051, P.R. China.
3. Professor, College of Chemical Engineering, Inner Mongolia Univ. of Technology, Hohhot 010051, P.R. China (corresponding author).
4. Student, College of Chemical Engineering, Inner Mongolia Univ. of Technology, Hohhot 010051, P.R. China.
5. Assistant Professor, College of Chemical Engineering, Inner Mongolia Univ. of Technology, Hohhot 010051, P.R. China.