This paper explained the technology that taking calces of pyrite as theraw materials , using the way of chemical process of mineral , dislodging the detrimental impurities with the measures of dipping lye and dipping acid oxide , wich aimed to get the rate of recovery of valuable metallic elements au 87 % , ag 76 % , cu 82 % 摘要以黃鐵礦燒渣為原料,通過(guò)化學(xué)選礦的方法,采用堿浸及氧化酸浸的工藝,除去有害雜質(zhì)和回收有價(jià)金屬元素金、銀、銅,回收率分別為87 % 、 76 % 、 82 % 。