化学选矿 meaning in Chinese

chemical mineral processing

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 %
摘要以黄铁矿烧渣为原料，通过化学选矿的方法，采用碱浸及氧化酸浸的工艺，除去有害杂质和回收有价金属元素金、银、铜，回收率分别为87 % 、 76 % 、 82 % 。