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铜业工程:2021(3):36-39
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低碱度选铅提高伴生银回收率的试验研究
蒋传生1, 凌石生2
(1.江西铜业集团有限公司武山铜矿，江西 九江 332204;2.矿冶科技集团有限公司，北京 102628)
Study on Improving Recovery Rate of Associated Silver by Lead Flotation at Low Basicity
JIANG Chuan-Sheng1, LING Shi-Sheng2
(1.Wushan Copper Mine, Jiangxi Copper Corporation Limited, Jiujiang 332204, Jiangxi, China;2.BGRIMM Technology Group, Beijing 102628, China)
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投稿时间：2021-03-30    
中文摘要: 某铅锌矿采用的是传统的石灰高碱工艺（矿浆 pH值 11.5以上）生产，铅精矿中伴生银的回收率不高。为了提高银的回收率，进行了低碱度选铅（矿浆 pH 值 7~8 之间）试验研究。闭路结果表明，抑制剂 BK506 可替代石灰，实现低碱度选铅，铅精矿中伴生银的回收率提高了 4.18%。该工艺可实现低碱度条件下选铅，提高伴生银的回收率。
中文关键词: 铅锌矿  伴生银  低碱度  BK506  回收率
Abstract:The traditional lime process at high basicity (pulp pH > 11.5) was adopted in certain Pb-Zn ore, and the recovery rate of associated silver in lead concentrate is not high. In order to improve the recovery rate of associated silver, the experimental study on lead flotation at low basicity (pulp pH 7~8) was carried out. The locked-circuit test results show that BK506 can be used to replace lime to achieve lead flotation at low basicity, and the recovery rate of associated silver in lead concentrate is increased by 4.18%. The process can be used to achieve lead flotation at low basicity and improve the recovery rate of associated silver.
keywords: Pb-Zn Ore  associated silver  low basicity  BK506  rate of recovery
文章编号：20210309     中图分类号：TD953
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引用文本： 蒋传生,凌石生.低碱度选铅提高伴生银回收率的试验研究[J].铜业工程,2021,(3):36-39