The main recovering element in a ore is gold , and gold mineral is micro particle . poisonous ele-ment in a ore is less . The technology of one coarse grinding and two roughing flotation Followed by three cleanings .This technology is simple and effective . Flotation gold concentrate grade is 122 g/t and the gold recovery rate 92 .56% on the condition of crude gold grade being 19 .56g/t . This technological process pro-vides a technical basis for the development of the mine .%矿石中可回收的元素为金 ,属于微细粒金 ,有害元素砷含量较低.浮选工艺流程为一次粗磨两次粗选、三次精选.工艺流程简单有效 ,在原矿品位A u4 .20 g/t条件下 ,浮选得到金精矿金品位122 g/t ;金回收率92 .56% .为该金矿的合理开发提供了技术依据.
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