1. College of Biological, Chemical Sciences and Engineering Jiaxing University Jiaxing, Zhejiang 314001 P. R. China
2. Fujian Yanan Power Co. Ltd. Ningde Fujian 352100 P. R. China
3. College of Chemical Engineering Qingdao University of Science and Technology Qingdao 266042 P. R. China
4. New Technologies – Research Center University of West Bohemia Plzeň 30100 Czech Republic