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黄金科学技术 ›› 2018, Vol. 26 ›› Issue (1): 74-80.doi: 10.11872/j.issn.1005-2518.2018.01.074

• 采选技术与矿山管理 • 上一篇    下一篇

甘肃某金矿选别试验研究

阎赞1,2,王闻单3,王露4,刘明宝1,2   

  1. 1.商洛学院化学工程与现代材料学院,陕西 商洛 726000;
    2.陕西省尾矿资源综合利用重点实验室,陕西 商洛 726000;
    3.昆明有色冶金设计研究院股份公司,云南 昆明 650051;
    4.西安天宙矿业科技开发有限责任公司,陕西 西安 710301
  • 收稿日期:2017-03-07 修回日期:2017-06-22 出版日期:2018-02-28 发布日期:2018-05-19
  • 作者简介:阎赞(1989-),女,陕西西安人,讲师,从事尾矿资源综合利用研究工作。993131948@qq.com
  • 基金资助:

    陕西省自然科学基础研究计划项目“金红石与羟肟酸和脂肪酸类捕收剂相互作用的界面热动力学机制”(编号:2016JQ5059)和陕西省教育厅重点实验室科研计划项目“陕南地区典型低品位金红石精矿提质降杂新工艺及机理研究”(编号:16JS030)联合资助
     

Experimental Study on Benefication of One Gold Mine in Gansu Province

YAN Zan 1,2,WANG Wendan 3,WANG Lu 4,LIU Mingbao 1,2   

  1. 1.College of Chemical Engineering and Modern Materials,Shangluo University,Shangluo    726000,Shaanxi,China;2.Shaanxi Key Laboratory of Comprehensive Utilization of Tailings Resources,Shangluo    726000,Shaanxi,China;4.Xi’an Tianzhou Mining Industry Science and Technology Development Co.,Ltd.,Xi’an    710301,Shaanxi,China
  • Received:2017-03-07 Revised:2017-06-22 Online:2018-02-28 Published:2018-05-19

摘要:

甘肃某金矿中金质量分数为2.93×10-6,矿石中主要可回收有价元素为Au。在分析矿石工艺矿物学特征的基础上,进行了磨矿细度、捕收剂用量、开路和闭路试验。结果表明,该金矿石经过一次粗选、两次精选、三次扫选的闭路流程,可获得金质量分数为93.08×10-6、回收率为70.93%的金精矿。试验所采用的工艺流程合理、结构简单且药剂制度常规,为该金矿的开发利用和生产实践提供了初步依据。

关键词: 金矿石, 浮选, 闭路试验, 磨矿试验, 金精矿, 金矿开发利用

Abstract:

The gold content of one gold mine in Gansu Province is 2.93×10-6,and gold is the main recoverable valuable element in ore.Based on the analysis of process mineralogy characteristics of the ore,the grinding fineness,collector dosage,open circuit and closed circuit tests were carried out.The results showed that the gold concentrate of 93.08×10-6,recovery of 70.93% was obtained through a closed-circuit process of one stage roughing,two stages cleaning and three stages scavenging.The test process adopted is reasonable with simple structure and medicament routine,which provide a preliminary basis for utilization and production practice of the gold mine.

Key words: gold ore, flotation, closed circuit test, grinding test, gold concentrate, exploitation and utilization of gold mine

中图分类号: 

  • TD953

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