Kinetics of uranium adsorption from seawater with imidedioxime adsorbent
Journal Article
·
· Separation Science and Technology
- Kyushu Univ., Fukuoka (Japan)
Complexation between glutar-imidedioxime and uranyl ion in artificial seawater containing 600 ppm uranium at pH 10.3 was investigated by a spectroscopic method. The complexation rate and the complex concentration at equilibrium increased with decreasing concentration of total carbonate ions. In the range of the total carbonate concentration of 4 x 10{sup {minus}3} to 5 x 10{sup {minus}2} mol{center_dot}L{sup {minus}1}, the complexation proceeded by ligand exchange between a carbonate ion and a deprotonated imidedioxime. At lower total carbonate concentrations, the elimination of more than two carbonate ions from one uranyl ion was suggested.
- OSTI ID:
- 273846
- Journal Information:
- Separation Science and Technology, Journal Name: Separation Science and Technology Journal Issue: 12 Vol. 29; ISSN 0149-6395; ISSN SSTEDS
- Country of Publication:
- United States
- Language:
- English
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