1. Technological
Research Institute for Coal Clean and Efficient Utilization, College
of Electric Power, North China University of Water Resources and Electric Power, Zhengzhou 450045, China
2. State
Key Laboratory of Coal Combustion, Huazhong University of Science and Technology, Wuhan 430074, China
3. Hebei Ji-Yan Energy Science and Technology Research Institute, Shijiazhuang 050000, China
4. College
of Engineering, Huazhong Agricultural University, Wuhan 430070, China