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Revealing the effects of mechanical attrition applied on Eskisehir-Beylikova REE ore utilizing MLA
Minerals Engineering ( IF 4.8 ) Pub Date : 2022-07-17 , DOI: 10.1016/j.mineng.2022.107733
Esra Baştürkcü , Ceyda Şavran , A. Ekrem Yüce , Servet İ. Timur

Eskişehir-Beylikova ore has one of the high-potential rare earth element (REE) reserves worldwide. In addition to recovering of REEs from these ores, industrial-scale enrichment of barite, fluorite and thorium continues intensively. However, there have been problems with beneficiation due to the particle size liberation. The most significant point for selecting beneficiation method in a cost-effective way depends on the characterization studies that reveal the mineralogy, mineral associations, and liberation size. According to the recent studies that focused on the beneficiation of Eskişehir ore, it was pointed out that REEs accumulated – 5 µm and before beneficiation of those minerals mechanical attrition was needed. However, the effects of mechanical attrition and how it affects behaviors of the rare earth in the fine fractions have not explained clearly. Therefore, this research has focused on filling this gap in the literature to reveal the effects of mechanical attrition on the beneficiation of rare earth elements using the MLA technique. Regarding results, after the mechanical attrition process, the amount of −38 µm increased by 20 % in the scrubbed sample, and the distribution of REEs enhanced from 15 % to 70 %. The liberation degree of REEs enhanced by 10–25 %, and mineral associations decreased at – 38 µm. From EDS results, Rare earth carbonate, Th-Parisite, Synchysite, Carbocernaite, and Monazite were determined as the rare earth minerals.



中文翻译:

揭示利用 MLA 对 Eskisehir-Beylikova REE 矿石施加机械磨损的影响

Eskişehir-Beylikova 矿石是全球最具潜力的稀土元素 (REE) 储量之一。除了从这些矿石中回收 REE 外,重晶石、萤石和钍的工业规模富集仍在继续进行。然而,由于粒度释放,选矿存在问题。以具有成本效益的方式选择选矿方法的最重要的一点取决于揭示矿物学、矿物组合和释放尺寸的表征研究。根据最近专注于 Eskişehir 矿石选矿的研究,指出 REEs 积累 - 5 µm,在这些矿物的选矿之前需要机械磨损。然而,机械磨损的影响以及它如何影响细小部分中稀土的行为还没有得到清楚的解释。因此,本研究的重点是填补文献中的这一空白,以揭示机械磨损对使用 MLA 技术选矿稀土元素的影响。就结果而言,在机械磨损过程之后,擦洗样品中 -38 µm 的量增加了 20%,REE 的分布从 15% 提高到 70%。稀土元素的游离度提高了 10-25%,矿物组合减少了 – 38 µm。根据 EDS 结果,稀土碳酸盐、Th-Parisite、Syncchysite、Carbocernaite 和 Monazite 被确定为稀土矿物。这项研究的重点是填补文献中的这一空白,以揭示机械磨损对使用 MLA 技术选矿稀土元素的影响。就结果而言,在机械磨损过程之后,擦洗样品中 -38 µm 的量增加了 20%,REE 的分布从 15% 提高到 70%。稀土元素的游离度提高了 10-25%,矿物组合减少了 – 38 µm。根据 EDS 结果,稀土碳酸盐、Th-Parisite、Syncchysite、Carbocernaite 和 Monazite 被确定为稀土矿物。这项研究的重点是填补文献中的这一空白,以揭示机械磨损对使用 MLA 技术选矿稀土元素的影响。就结果而言,在机械磨损过程之后,擦洗样品中 -38 µm 的量增加了 20%,REE 的分布从 15% 提高到 70%。稀土元素的游离度提高了 10-25%,矿物组合减少了 – 38 µm。根据 EDS 结果,稀土碳酸盐、Th-Parisite、Syncchysite、Carbocernaite 和 Monazite 被确定为稀土矿物。稀土元素的游离度提高了 10-25%,矿物组合减少了 – 38 µm。根据 EDS 结果,稀土碳酸盐、Th-Parisite、Syncchysite、Carbocernaite 和 Monazite 被确定为稀土矿物。稀土元素的游离度提高了 10-25%,矿物组合减少了 – 38 µm。根据 EDS 结果,稀土碳酸盐、Th-Parisite、Syncchysite、Carbocernaite 和 Monazite 被确定为稀土矿物。

更新日期:2022-07-18
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