开滦炼焦煤泥难选的研究初探

he coking coal and fat coal produced by Kailuan group is the high quality raw materials of coking coal. This text have an analysis on the Kailuan coking coal by the using of X-diffraction, scanning electron microscopy and other modern instruments, find out the reason of high ash and difficult to separation combine with the drifting. Guiding to further improve its coal flotation recovery operations.