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有色金属(选矿部分):2021,(3):34-40
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复杂含银砷硫化铜矿浮选试验对比研究
王成行, 胡真, 时晗, 丘世澄, 邱显扬
(广东省资源综合利用研究所)
Comparative study on flotation test of complex silver arsenic bearing copper sulfide
wangchenghang, HU ZHEN, SHI HAN, QIU SHICHENG, QIU XIANYANG
(Guangdong Institute of Resources Comprehensive Utilization)
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投稿时间:2020-06-12    修订日期:2020-06-20
中文摘要: 针对云南某含银砷的硫化铜矿,查明了化学多元素、矿物组成、嵌布粒度和单体解离度等工艺矿物学特性,对比了混浮和等可浮两种方案的选别指标。结果表明,在原矿铜、砷、银品位分别为0.41%、1.82%、16.24g/t条件下,等可浮方案获得铜品位22.11%,总回收率66.32%的铜精矿,其中砷品位0.45%,银品位和总回收率分别为438.48g/t和33.21%;混浮方案获得铜品位20.14%,回收率75.14%的铜精矿,其中砷品位0.81%,银品位和回收率分别为413.75g/t和38.98%。混浮比等可浮工艺获得的铜、银回收率更高,但砷品位较高;铜精矿中砷品位与铜、银回收率呈同步升降关系。
中文关键词: 铜砷分离  银矿物  等可浮  混合浮选
Abstract:According to a copper sulfide ore containing silver and arsenic in Yunnan Province, the process mineralogical characteristics such as chemical multi-elements, mineral composition, intercalation grain size, and monomer dissociation degree were identified, and the separation indexes of bulk floatation and iso-flotability floatation schemes were compared. The results show that under the conditions of Cu 0.41%, As 1.82% and Ag 16.24g/t, the copper concentrate with Cu 22.11% and total recovery 66.32% was obtained by the iso-flotability floatation scheme, including As 0.45%, Ag 438.48g/t at total recovery 33.21% respectively; the copper concentrate with Cu 20.14% at recovery 75.14% can be obtained by the bulk flotation scheme, including As 0.81%, Ag 413.75g/t at recovery 38.98% respectively. Compared with the iso-flotability floatation process, the bulk floatation process could obtain higher copper and silver recovery, but with higher arsenic grade. The arsenic grade in copper concentrate and the recovery of copper and silver have a synchronous rise and fall relationship.
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基金项目:广东省科学院实施创新驱动发展能力建设专项资金项目(2017GDASCX-0301;2019GDASYL-0302010);“十三五”国家重点研发专项(2019YFC1904202);云南省科技计划项目(2018IB028)
引用文本:
王成行,胡真,时晗,丘世澄,邱显扬.复杂含银砷硫化铜矿浮选试验对比研究[J].有色金属(选矿部分),2021(3):34-40.
wangchenghang,HU ZHEN,SHI HAN,QIU SHICHENG,QIU XIANYANG.Comparative study on flotation test of complex silver arsenic bearing copper sulfide[J].Nonferrous Metals(Mineral Processing Section),2021(3):34-40.

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