| 新型黄铁矿抑制剂在铅硫分离中的试验研究 |
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| 引用本文： | 杨林,梁溢强,阚赛琼.新型黄铁矿抑制剂在铅硫分离中的试验研究[J].矿冶工程,2020,40(5):42-44. |
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| 作者姓名： | 杨林 梁溢强 阚赛琼 |
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| 作者单位： | 1.昆明冶金研究院有限公司, 云南 昆明 650031;
2.中南大学 资源加工与生物工程学院, 湖南 长沙 410083;
3.云南省选冶新技术重点实验室, 云南 昆明 650031;
4.共伴生有色金属资源加压湿法冶金技术国家重点实验室, 云南 昆明 650031 |
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| 基金项目： | 中国铝业集团有限公司青年科技人才启明星计划项目 |
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| 摘 要： | 以云南某高硫铅锌矿的铅硫混合精矿为研究对象, 在电位调控浮选思路指导下, 采用NaOH作为矿浆pH值及电位调整剂, 以新型易溶高效黄铁矿抑制剂LY-3替代石灰, 对选矿厂铅硫混合精矿进行铅硫浮选分离, 试验技术指标良好, 成功实现了对石灰的全替代, 解决了使用石灰带来的生产问题, 降低了回水处理成本, 同步提高了银综合回收率。
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| 关 键 词： | 浮选 黄铁矿 电位调控 抑制剂 铅硫分离 |
| 收稿时间： | 2020-04-19 |
Application of New Pyrite Depressant in Pyrite-Galena Separation |
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| YANG Lin,LIANG Yi-qiang,KAN Sai-qiong.Application of New Pyrite Depressant in Pyrite-Galena Separation[J].Mining and Metallurgical Engineering,2020,40(5):42-44. |
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| Authors: | YANG Lin LIANG Yi-qiang KAN Sai-qiong |
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| Affiliation: | 1.Kunming Metallurgical Research Institute Co Ltd, Kunming 650031, Yunnan, China;
2.School of Minerals Processing and Bioengineering, Central South University, Changsha 410083, Hunan, China;
3.Yunnan Key Laboratory for New Technology of Beneficiation and Metallurgy, Kunming 650031, Yunnan, China;
4.State key Laboratory of Pressure Hydrometallurgical Technology of Associated Nonferrous Metal Resources, Kunming 650031, Yunnan, China |
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| Abstract: | LY-3, as a novel depressant being effective and easy to dissolve, was introduced to treat the Pb-S bulk concentrate of a high-sulfur lead-zinc ore from Yunnan Province. Based on the surface potential regulation flotation approach, the Pb-S separation is actualized using NaOH as the slurry pH modifier and potential regulator and LY-3 as the pyrite depressant in substitution for lime. The flotation test for the Pb-S separation from the bulk concentrate brings excellent processing index, indicating lime can be completely substituted by LY-3. The problem resulting from the use of lime as the depressant in the production has been solved, which not only reduce the treatment cost for water recycling, but also increase the comprehensive silver recovery. |
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| Keywords: | flotation pyrite potential regulation depressant Pb-S separation |
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