提高难选氧化铜矿石中铜的综合回收率的试验研究

The Experimertal Studies on Lucreasing Multipurpose Recovery of Copper from Refractory Cupric Oxide Ores

对难选氧化铜矿石浮选前，采用“稀Ｈ＿２ＳＯ＿４浸出氧化铜、铁屑置换沉铜”的预处理工艺，与普通硫化浮选法相比，其用回收率可提高４０％以上，且药剂制度简单，技术可行，经济合理。

AbstractComparing with ordinary sulphidizationfloatation processing ,the recorery of copperhas been increased more than 40% by thepre-treated technologe of dilute sulfuric acidleaching of cupric oxide ores, iron powdercementation″ before floatation of this ores.This processing is simple in the floatation-agents system , feasibility in the technologe;reseanable in the economy.