[2] Zubkova V, Strojwas A, Kaniewski M, et al. Fuel, 2018, 217: 605.
[3] Zhang J, Sun Z, Guo Q, et al. Journal of Fuel Chemistry & Technology, 2017, 45(2): 129.
[4] Lin D, Qiu P, Xie X, et al. Energy Sources, 2017, 27: 1.
[5] Sarkar A, Kocaefe D, Kocaefe Y, et al. Fuel, 2014, 117: 598.
[7] Li M, Zeng F, Zhao Y, et al. Energy Sources, Part A: Recovery, Utilization, and Environmental Effects, 2017, 39(6): 562.
[8] Chen Y, Mastalerz M, Schimmelmann A. International Journal of Coal Geology, 2012, 104(1): 22.
[9] Torrejon M, Echeverra V, Retamales G, et al. Fuel, 1997, 76(14): 1389.
[10] Fan X, Fei Y, Chen L, et al. Energy & Fuels, 2017, 31(5): 4694.
[12] Lai S Q, Zhao X F, Yue L. Advanced Materials Research, 2012, 472: 427.
[13] Liu J, Zhao Y, Ren S. Energy & Fuels, 2015, 29(2): 1233.