1. School of Resources and Environmental Engineering Institute of Clean Coal Technology East China University of Science and Technology 200237 Shanghai P. R. China
2. Department of Mechanical Engineering Faculty of Engineering Kasetsart University 50 Ngam Wong Wan Rd., Lat Yao, Chatuchak Bangkok 10900 Thailand
3. Shanghai Institute of Pollution Control and Ecological Security 200092 Shanghai P. R. China
4. Department of Aeronautics and Astronautics National Cheng Kung University Tainan Taiwan 701 P. R. China
5. State Key Laboratory of High-Efficiency Utilization of Coal and Green Chemical Engineering Ningxia University 750021 Yinchuan Ningxia P. R. China