1. State
Key Laboratory of Coal Combustion, School of Energy and Power Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
2. School
of Mechanical and Power Engineering, Henan Polytechnic University, Jiaozuo 454001, China
3. Faculty
of Chemical Engineering, Universiti Teknologi MARA, 40450 Shah Alam, Selangor, Malaysia