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<p>Rare earth elements have attracted considerable global attention due to their critical importance in modern technologies. It is therefore crucial to optimize the processes of beneficiation and extraction for these elements. The gravity separation method using a shaking table is key in concentrating rare earth elements based on their physical properties. Here, we report the optimization of shaking table parameters to concentrate rare earth elements in monazite-containing samples from Jordan. The optimal values determined were a particle size of 75 to 125 µm, 220 rpm feed rate, 7° table inclination, 45% feed density, 100 Hz frequency, and 9 L/min flow rate. These optimal values lead to a greater than fivefold increase in rare earth element concentration, with an impressive recovery of 93%, indicating a significant improvement in the concentration of total rare earth oxides.</p>

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Optimizing Wet Gravity Separation for Rare Earth Element Beneficiation Using a Shaking Table

  • 期刊论文

  • 发表日期：

    2025年2月27日

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  • Ahmad Alsabbagh,
  • Raghad Alzaiter,
  • Saja Alsabeelah,
  • Mohammad AlFraiwan

摘要

Rare earth elements have attracted considerable global attention due to their critical importance in modern technologies. It is therefore crucial to optimize the processes of beneficiation and extraction for these elements. The gravity separation method using a shaking table is key in concentrating rare earth elements based on their physical properties. Here, we report the optimization of shaking table parameters to concentrate rare earth elements in monazite-containing samples from Jordan. The optimal values determined were a particle size of 75 to 125 µm, 220 rpm feed rate, 7° table inclination, 45% feed density, 100 Hz frequency, and 9 L/min flow rate. These optimal values lead to a greater than fivefold increase in rare earth element concentration, with an impressive recovery of 93%, indicating a significant improvement in the concentration of total rare earth oxides.