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- Title
Sequestering Rare Earth Elements and Precious Metals from Seawater Using a Highly Efficient Polymer Adsorbent Derived from Acrylic Fiber.
- Authors
Pan, Horng-Bin; Strivens, Jonathan E.; Kuo, Li-Jung; Wai, Chien M.
- Abstract
An amidoxime and carboxylate containing polymer adsorbent derived from acrylic fiber has shown extremely high efficiencies for extracting critical materials and precious metals from seawater. Among 50 extractable elements, the lanthanides, cobalt, and palladium were ranked near the top with KD values in the order of 107, about an order of magnitude higher than that of uranium. The KD value of the lanthanides increased linearly with the atomic number indicating charge density is a factor controlling trivalent lanthanide extractability in seawater. The data given in this report provides crucial information regarding the strategies of ocean mining of critical materials and precious metals.
- Subjects
RARE earth metals; PRECIOUS metals; ACRYLIC fibers; POLYMERIC sorbents; SEAWATER; URANIUM
- Publication
Metals (2075-4701), 2022, Vol 12, Issue 5, p849
- ISSN
2075-4701
- Publication type
Article
- DOI
10.3390/met12050849