泡沫浮选是降低黄铁矿硫和灰分、增加精煤产率的最有前途的方法之一。它是世界上普遍用来回收矿物的基本方法,其工艺和设备可靠,系统简单,在投资前就可用实验室试验确定其经济效果。含硫和含灰的颗粒从煤中解离出来 Froth flotation is one of the most promising ways to reduce sulfur and ash in pyrite and increase the yield of clean coal. It is the world’s basic method for the recovery of minerals, its technology and equipment is reliable, the system is simple, can be used before the investment in laboratory tests to determine its economic effect. Sulfur and ash-containing particles are dissociated from the coal