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1.
公开(公告)号:US4351668A
公开(公告)日:1982-09-28
申请号:US241960
申请日:1981-03-09
CPC分类号: B03D1/002 , B03D1/012 , B03D1/02 , B03D1/06 , B03D1/08 , B03D2201/007 , B03D2201/02 , B03D2203/02
摘要: A process for the beneficiation of lead or copper-lead sulphide ore or concentrate containing calcium and magnesium carbonates wherein the ore or concentrate is conditioned with a limited amount of sulphuric acid to form an acidic slurry and subjecting the acidic slurry to froth flotation whereby an upgraded concentrate and a tailing comprising calcium and magnesium sulphate are obtained.
摘要翻译: 一种用于选择含有碳酸钙和碳酸镁和碳酸钙和碳酸镁的浓缩物的方法,其中矿石或浓缩物用有限量的硫酸调节以形成酸性浆料,并使酸性浆料进行泡沫浮选,由此升级 浓缩物和包含硫酸钙和硫酸镁的拖尾。