Journal
INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
Volume 58, Issue 25, Pages 11121-11126Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.iecr.9b02623
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Funding
- Department of Chemical Engineering at the Pennsylvania State University
- Institute for Natural Gas Research (INGaR) at the Pennsylvania State University
- 3M Company (the 3M Non-Tenured Faculty Award)
- National Aeronautics and Space Administration (NASA) under PA Space Grant Consortium
- Penn State Department of Physics
- National Science Foundation, Penn State MRSEC RET (Research Experience for Teachers) Site [DMR-1460920, DMR-1420620]
- John J. and Jean M. Brennan Clean Energy Early Career Professorship
- U.S. National Science Foundation [DMR-1420620]
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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.
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