Study on the effects of catalyst on combustion characteristics of pulverized coal Zhanxia Di, Tiejun Chun, Hongming Long, Qingmin Meng, Ping Wang and Jialong Yang Metall. Res. Technol., 114 1 (2017) 104 Published online: 26 October 2016 DOI: 10.1051/metal/2016054