[1] [1] Huang Jue, Lu Xilan, Zhang Dexiang, et al. Energies, 2010, 3(9): 1576.

[2] [2] Li Yi, Zhang Xianping, Dong Heifeng, et al. RSC Advances, 2011, 1(8): 1579.

[3] [3] Liu Xin, Zhou Zhijie, Hu Qijing, et al. Energy and Fuels, 2011, 25(8): 3377.

[4] [4] Chu Xijie, Zhao Lihong, Li Wen, et al. Coal Science and Technology, 2010, 38(5): 121.

[5] [5] Zhu Yufei. Journal of China Coal Society, 2013, 38(8): 1454.

[6] [6] Li Xiaohong, Xue Yanli, Feng Jie, et al. Fuel, 2015, 144: 342.

[7] [7] Li Xiaohong, Ma Jiangshan, Xue Yanli, et al. Journal of Fuel Chemistry and Technology, 2015, 43(11): 1281.

[8] [8] Li Jun, Yang Jianli, Liu Zhenyu. Fuel Processing Technology, 2009, 90: 490.

[9] [9] Li Jun, Yang Jianli, Zhou Shufen, et al. Journal of Fuel Chemistry and Technology, 2010, 38(6): 647.

[10] [10] Mushtaq F, Mat R, Ani F N. Renewable and Sustainable Energy Reviews, 2014, 39: 555.

[11] [11] Uslu T, Atalay U. Fuel Processing Technology, 2003, 85: 21.

[12] [12] Ed Lester, Sam Kingman, Chris Dodds, et al. Fuel, 2006, 85: 2057.

[13] [13] Song Yonghui, Su Ting, Lan Xinzhe, et al. Materials Science Forum, 2011, 695: 493.