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GCCX was applied in the removal of La3+ and Ce3+ ions from synthetic wastewater in column mode. The Swan model was used to forecast breakthrough curves for La3+ and Ce3+ ions. The model correctly anticipated breakthrough curves at a column operating pH of 7 for Lanthanum and 6 for Cerium. Transport rates were calculated as 3.65 × 1011 m2/s for La3+ and 3.14 × 1011 m2/s for Ce3+ at a bed height of 1.2 m. Multiple adsorption and desorption cycles were carried out to assess the reusability of the chitosan material, confirming its potential for practical applications in removing heavy metal ions from contaminated water sources.

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Sustainable Chitosan-Based Adsorbents for the Removal of Rare Earth Elements

  • 章节

  • 发表日期：

    2026年

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  • Ephraim Igberase,
  • Innocentia G. Mkhize,
  • Hilary Limo Rutto

摘要

GCCX was applied in the removal of La3+ and Ce3+ ions from synthetic wastewater in column mode. The Swan model was used to forecast breakthrough curves for La3+ and Ce3+ ions. The model correctly anticipated breakthrough curves at a column operating pH of 7 for Lanthanum and 6 for Cerium. Transport rates were calculated as 3.65 × 1011 m2/s for La3+ and 3.14 × 1011 m2/s for Ce3+ at a bed height of 1.2 m. Multiple adsorption and desorption cycles were carried out to assess the reusability of the chitosan material, confirming its potential for practical applications in removing heavy metal ions from contaminated water sources.