Abstract
The characteristics of ion exchange of uranyl and americium, which are α-emitting radioactive nuclides, were examined by batch and column methods. SAPO-34 showed good selectivity for uranyl ion at pH 2–3.5, and distribution coefficients of Am3+ and UO 2+2 increased with equilibrium pH. γ-irradiation (2 MGy) did not show any significant effect on the uptake of both of actinide ions onto L and SAPO-34. Higher does of γ-irradiation (up to 10 MGy) created a change of equilibrium pH, and hence uptake, due to radiolysis of water and heat localization generated by γ-radiation and annealing processes.
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Amini, S., Dyer, A. Actinide uptake onto zeolite-L and SAPO-34. Journal of Radioanalytical and Nuclear Chemistry, Articles 178, 273–289 (1994). https://doi.org/10.1007/BF02039721
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DOI: https://doi.org/10.1007/BF02039721