本文简要地介绍了采用浮选法,从硫铁矿烧渣中回收金银。半工业性试验证明,工艺流程简单,技术上可行,经济效益的商低,与烧渣中金银品位的高低有密切关系。试验过程中,发现球磨机、分级机具有明显富集金的效果;浮选机也存在着明显的沉槽现象,启示我们,若工业化生产,宜设法克服这个现象。 This article briefly introduces the flotation process to recover gold and silver from pyrite cinders. Semi-industrial tests show that the process is simple, technically feasible, low commercial cost, and the level of gold and silver slag is closely related to the level. During the test, it was found that the ball mill and classifier have the effect of obviously enriching gold. There is also obvious sinking phenomenon in the flotation machine, which has enlightened us. If it is industrialized, we should try to overcome this phenomenon.