【摘要】 本文介绍了四川叙永煤矸石精选提纯工艺技术流程及试验结果。对于综合开发利用川南丰富的煤系粘土资源，具有重要意义更多还原

【Abstract】 This paper describes the technological flowsheet and experimental results of concentration and refinement of the coal gangue in Xuyong.The results obtained show that it is significant to promote the comprehensive utilization of South Sichuan abundant kaolin in coal measures resources.更多还原