Utilization of semi-coke in iron making technologies in China Qingli Tang, Jianliang Zhang, Jianbo Zhong, Kejiang Li, Bing Gao, Zhe Wang, Runsheng Xu, Guangwei Wang and Zhengjian Liu Metall. Res. Technol., 114 4 (2017) 403 Published online: 16 June 2017 DOI: 10.1051/metal/2017031