1. School of Chemistry and Chemical Engineering; Chongqing University; Chongqing, 400044 China
2. Centre for Process Integration, School of Chemical Engineering and Analytical Science; The University of Manchester; Manchester U.K.
3. LGC (Laboratoire de Génie Chimique), 4 allée Emile Monso, F-31432; Université de Toulouse, INP, UPS; Toulouse Cedex, 04 France
4. LGC (Laboratoire de Génie Chimique), F-31432; CNRS; Toulouse Cedex, 04 France