Carbonate-H2O2 leaching for sequestering uranium from seawater

Horng Bin Pan, Weisheng Liao, Chien M. Wai, Yatsandra Oyola, Christopher J. Janke, Guoxin Tian, Linfeng Rao

Research output: Contribution to journalArticlepeer-review

78 Scopus citations

Abstract

Uranium adsorbed on amidoxime-based polyethylene fiber in simulated seawater can be quantitatively eluted at room temperature using 1 M Na 2CO3 containing 0.1 M H2O2. This efficient elution process is probably due to the formation of an extremely stable uranyl-peroxo-carbonato complex in the carbonate solution. After washing with water, the sorbent can be reused with minimal loss of uranium loading capacity. Possible existence of this stable uranyl species in ocean water is also discussed.

Original languageEnglish
Pages (from-to)10713-10718
Number of pages6
JournalDalton Transactions
Volume43
Issue number28
DOIs
StatePublished - Jul 28 2014

Funding

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