Review on the Influence of Common External Ions on the Properties of Spodumene Collectors
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摘要:
这是一篇矿业工程领域的论文。锂辉石自身晶体特性是决定可浮性的内源性因素；捕收剂是决定锂辉石可浮性的外源性因素，浮选过程中，常见金属离子对锂辉石捕收剂的性能产生重要影响。本文从锂辉石晶体特性、外界金属离子对工业生产中常见锂辉石捕收剂的作用两方面对影响锂辉石浮选行为的因素做了介绍和总结。首先归纳了锂辉石的表面晶体特性，并总结了锂辉石表面晶体活性位点对浮选行为的影响。其次归纳和总结了常见金属离子对工业生产中常用的油酸类、羟肟酸类、胺类及阴阳离子复配类捕收剂性能的影响。研究表明Ca2+、Fe3+、Mg2+均可提高油酸类捕收剂的性能，Pb2+可提高羟肟酸类捕收剂的性能，Ca2+、Mg2+可提高胺类捕收剂的性能，铁球磨矿介质可抑制胺类捕收剂与锂辉石的作用。该研究对提高锂辉石的分选效率、高效使用锂辉石捕收剂具有理论和现实意义。
Abstract:This is an essay in the field of mining engineering. The crystal characteristics of spodumene are the endogenous factors that determine the floatability. The collector is an exogenous factor that determines floatability of spodumene. In the flotation process, the common metal ions have an important influence on the performance of spodumene collector. In this essay, the factors affecting the flotation behavior of spodumene are introduced and summarized from the crystal characteristics of spodumene and the effect of external metal ions on the common spodumene collector in industrial production. Firstly, the surface crystal characteristics of spodumene are summarized, and the effect of the active site of spodumene surface crystal on flotation behavior is summarized. Secondly, the effects of common metal ions on the properties of oleic acid, hydroxamic acid, amine and anion-cation complex collectors commonly used in industrial production are summarized. Studies have shown that Ca2+, Fe3+ and Mg2+ can improve the performance of oleic acid collectors. Pb2+ can improve the performance of hydroxamic acid collectors. Ca2+ can improve the performance of amine collectors. The effect of amine collector and spodumene can be inhibited by an iron ball milling medium. This study has theoretical and practical significance for improving the separation efficiency of spodumene and using spodumene collector efficiently.
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Key words:
- Mining engineering /
- Spodumene /
- Crystal structure /
- Common metal ions /
- Collectors /
- Flotation behavior
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