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Research on the Reaction Behavior of Rare Earth Elements in Reduction

机译：稀土元素减少中稀土元素的反应行为研究

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Occurrence state of rare earth elements in the different deoxidization stages and the behavior of rare earth elements in the process of depth reduction were studied by analyzing XRD and SEM images of Bayan Obo oxide ore in different deoxidization time. The results showed that deoxidization time had a great effect on the occurrence state of rare earth elements. With the increase of deoxidization time, rare earth minerals gradually translated from bastnaesite and urdite into (CaO?2Ce_2O_3?3SiO_2).This phase was white with a small size. It was columnar or massive in most cases and could be easily separated from the iron phase. 97.18% of the rare earth elements, which could be recovered by flotation, gravity separation and magnetic separation, entered the iron tailings.
机译：通过分析不同脱氧时间的XRD和SEM图像，研究了不同脱氧阶段中稀土元素中稀土元素的发生状态和深度减少过程中的稀土元素的行为。结果表明，脱氧时间对稀土元素的发生状态具有很大的效果。随着脱氧时间的增加，稀土矿物质逐渐从Bastnaesite和Urodite逐渐翻译成（CaO？2CE_2O_3？3SiO_2）。本阶段是白色的，尺寸小。在大多数情况下，它是柱状或大规模的，并且可以容易地与铁阶段分离。 97.18％的稀土元素，可以通过浮选，重力分离和磁性分离回收，进入铁尾。

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