1. School of Metallurgical and Ecological Engineering University of Science and Technology No.30 Xueyuan Road, Haidian District Beijing 100083 P. R. China
2. Liaoning High Efficiency Coking Technology Innovation Center Ansteel Future Iron and Steel Research Institute CO. Ltd Beijing 102209 P. R. China
3. School of Chemical Engineering The University of Queensland St Lucia QLD 4072 Australia