1. School of Chemical Engineering and Technology Xi'an Jiaotong University No. 28, Xianning West Road Xi'an Shaanxi 710049 P. R. China
2. Mechanical and Construction Engineering Faculty of Engineering and Environment Northumbria University Newcastle upon Tyne NE1 8ST UK
3. Faculty of Engineering and Physical Sciences University of Southampton University Road Southampton SO17 1BJ UK
4. School of Chemical and Process Engineering University of Leeds Leeds LS2 9JT UK