The Separation Method of Cyclone-Static Microbubble Column Flotation and Practical Application Part 6: Column Flotation and the Technology Concerning Sharp Reduction of Ash and Sulphur in Coal刘炯天1-4
Experimental Research on Coal Dewatering byGas with Combination of positive and Negative Pressure徐涛, 温雪峰, 陈建启14-16