磁黄铁矿若伴生有一定品位的磁铁矿时,常进行综合回收利用。在这种情况下,虽然可分别用浮选法和磁选法得到硫、铁精矿,但由于磁黄铁矿可浮性差及固有的强铁磁性,常使铁精矿中含硫量过高而影响产品质量。因而在硫铁分离中强化磁黄铁矿的浮选,降低铁精矿中的含硫量,无疑具有重要的意义。 Magnetite pyrite if accompanied by a certain grade of magnetite, often for comprehensive recycling. In this case, sulfur and iron concentrates can be obtained by flotation and magnetic separation, respectively. However, due to the poor floatability of pyrrhotites and the inherent strong ferromagnetism, sulfur content in iron concentrates is often exceeded High and affect product quality. Therefore, in pyrite separation pyrrhotite flotation and reduce the sulfur content of iron ore concentrate, no doubt has an important significance.