云南某难选低品位胶磷矿正—反浮选试验研究

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英文篇名：Experimental Research on Direct-reverse Flotation Process for a Low Grade Refractory Collophanite in Yunnan 作者：李向益 ; 孙广周 ; 曾茂青 ; 乐智广 英文作者：LI Xiangyi;SUN Guangzhou;ZENG Maoqing;LE Zhiguang;Key Laboratory of Geological Metallogenesis and Mineral Resources Utilization in Sanjiang Region,Ministry of Land and Resources;Kunming Mineral Resources Surveillance Testing Centre,Ministry of Land and Resources; 关键词：胶磷矿 ; 低品位 ; 正-反浮选 英文关键词：collophanite;;low grade;;direct-reverse flotation 中文刊名：YSXK 英文刊名：Nonferrous Metals(Mineral Processing Section) 机构：国土资源部三江成矿作用及资源勘查利用重点实验室;国土资源部昆明矿产资源监督检测中心; 出版日期：2019-05-15 出版单位：有色金属(选矿部分) 年：2019 语种：中文; 页：YSXK201903011 页数：5 CN：03 ISSN：11-1840/TF 分类号：56-59+64

摘要

对云南某低品位难选胶磷矿进行选矿试验研究。结果表明,采用HYY作为正浮选捕收剂、CF-813D作为反浮选捕收剂、通过常温正反浮选工艺,可获得磷精矿P_2O_5品位29.86%、P_2O_5回收率78.88%的技术指标。磷精矿品位和回收率均较低,主要是因为胶磷矿集合体嵌布粒度很细、与脉石矿物嵌布关系复杂所致。
        A beneficiation test of low grade and refractory collophanite ore from Yunnan was studied.The results show that phosphate concentrate grade of 29.86% and recovery of 78.88% was achieved through the direct-reverse flotation with direct-flotation collector HYY and reverse flotation collector CF-813 D.The grade and recovery of phosphate concentrate were relatively low,which was caused by the fine particle sizes of collophanite aggregate and complex dissemination between collophanite aggregate and gangue minerals in the ore.

引文

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