一、综合回收的意义长期以来,煤系中的黄铁矿未能得到很好的利用,使宝贵的黄铁矿资源白白地从选煤厂洗矸中流失和从烟尘中跑掉。使国家的矿产资源遭到不应有的损失。从煤系中综合回收硫铁矿,不管从那个角度来说都是十分有益的。第一,可以解决工业生产对硫铁矿的需 First, the significance of a comprehensive recovery For a long time, the coal pyrite in the Department failed to be well utilized, so precious pyrite resources from the coal preparation plant waste and run away from the smoke. So that the country’s mineral resources suffered undue losses. The comprehensive recovery of pyrite from the coal system is very beneficial from that point of view. First, the need for industrial production of pyrite can be solved