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Flotation Experiment Study for Certain Middle Low Grade Cllophanite with Silicon and Calcium
Author(s): XUE Wei-wei, WANG Qing-li, YU Yan-tao, ZHANG Chao-hui, YANG Qing-yu, WANG Lei-lei
Pages: 20-
23,30
Year: 2016
Issue:
3
Journal: Hunan Nonferrous Metals
Keyword: 中低品位; 镁硅质胶磷矿; 除镁降硅; 双反浮选;
Abstract: 针对某中低品位镁硅质胶磷矿镁硅杂质含量大的特点,进行除镁降硅提质浮选试验研究.试验分别采用反正浮选、双反浮选工艺进行对比,结果表明,采用双反浮选工艺,先除镁再降硅,获得磷精矿P2O5品位32.90%,回收率86.55%,精矿中氧化镁含量1.50%,二氧化硅8.50%,铁0.49%.该工艺获得磷精矿产品指标达到了加工钙镁磷肥用磷一级品质量要求.
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