1Changdong Sheng, Minghou Xu, Jun Zhang, and Yiqian Xu.Comparison of sulphur retention by coal ash in different types of combustors [J]. Fuel Processing Technology, 2000, 64:1 -11.
2Vuthaluru H B, Brooke R J, Zhang D K, Yah H M. Effects of moisture and coal blending on Hardgrove grindability index of Western Australian coal [ J ]. Fuel Processing Technology,2003, 81: 67-76.
3Rubiera F, AreniUas A, Fuente E, et al. Effect of the grinding behaviour of coal blends on coal utilisation for combustion [ J]. Powder Technology, 1999, 105:351 -356.
