Recovery of Critical Rare-Earth Elements Using ETS-10 Titanosilicate

Jay Thakkar, Blaine Wissler, Nick Dudenas, Xinyang Yin, Madeline Vailhe, John Bricker, Xueyi Zhang

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The present work deals with the recovery of critical rare-earth elements (REEs) from acidic aqueous solutions. In doing so, we study the adsorption of these ions on ETS-10 titanosilicate. The experimental data are individually fitted with the Langmuir and Freundlich isotherms, and a high adsorption capacity for REEs is found. We further explore the competitive separation of Nd3+ from Ni2+ ions and Dy3+ from Nd3+ ions usually found in aqueous streams generated during the recycling of NiMH batteries and NdFeB permanent magnets, respectively, via adsorption using ETS-10.

Original languageEnglish (US)
Pages (from-to)11121-11126
Number of pages6
JournalIndustrial and Engineering Chemistry Research
Issue number25
StatePublished - Jun 26 2019

All Science Journal Classification (ASJC) codes

  • General Chemistry
  • General Chemical Engineering
  • Industrial and Manufacturing Engineering

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