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某含锑复杂金矿选矿试验研究
Authors
叶树峰
孙言鹏
Publication date
1 January 2017
Publisher
Abstract
锑作为一种重要的添加剂被广泛的应用于阻燃材料生产及微电子技术等领域,但是由于锑对氰化提金的不利影响,含锑金矿石开发利用率一直比较低,随着碱浸提锑—两段焙烧—氰化浸出工艺的发展及应用,如何有效的富集锑并提高金的选矿回收率对综合回收金、锑有重要的意义。对甘肃某含锑复杂金矿进行了浮选试验研究,结果表明,采用碳酸钠、水玻璃作矿浆调整剂、硫酸铜作活化剂、丁基黄药+丁基铵黑药作捕收剂,经一次粗选、四次精选、三次扫选浮选流程,可获得金品位66.46 g/t、锑品位5.77%、金回收率为92.99%、锑回收率为88.22%的金精矿,综合指标较优越。所得金精矿符合碱浸提锑—两段焙烧—氰化浸出的工艺入料要求,可以实现金、锑综合回收的目的。</p
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Last time updated on 08/09/2018