Effect of Blending of Ca-based Slag on Solution Loss Reaction of Coke
SUN Zhang LIU Peng-fei LI Hui-xing GUO Rui LIANg Ying-hua
Coal Chemical Engineering Research Center of Hebei Province, School of Chemical Engineering, North China University of Science and Technology Coal Chemical Engineering Research Center of Hebei Province, School of Chemical Engineering, North China University of Science and Technology Coal Chemical Engineering Research Center of Hebei Province, School of Chemical Engineering, North China University of Science and Technology Coal Chemical Engineering Research Center of Hebei Province, School of Chemical Engineering, North China University of Science and Technology Coal Chemical Engineering Research Center of Hebei Province, School of Chemical Engineering, North China University of Science and Technology
Abstract：Coke was prepared by coking of coal with addition of Ca-based slag as a catalyst. The solution loss reaction of coke at different temperatures (900~1200℃) was studied in a self-made vertical fixed-bed reactor. The results showed that the solution loss rate of coke remained constant when carbon loss rate (x) was less than 15%, and the solution loss rate gradually decreased at x>15%. The specific surface area of coke after reaction first increased and then decreased, and reached the maximum value at x"15%. Furthermore, the addition of slag improved the solution loss rate of coke, and enhanced its reactivity. A random pore model was used to describe the solution loss reaction of coke, and the activation energy of coke and coke with 1% slag was 132.15 and 103.81 kJ/mol, respectively.
孙章 刘朋飞 李慧星 郭瑞 梁英华. 富钙废渣配煤对焦炭溶损反应的影响[J]. 过程工程学报, 2015, 15(6): 999-1005.
SUN Zhang LIU Peng-fei LI Hui-xing GUO Rui LIANg Ying-hua. Effect of Blending of Ca-based Slag on Solution Loss Reaction of Coke. Chin. J. Process Eng., 2015, 15(6): 999-1005.
2015, Vol. 15 
