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    ZHANG Ying-jie, FENG Xiao-gui, LIANG Jun-fu, CHEN Jing, SU Rui, WANG Ju. Adsorption Behavior of Am(Ⅲ) on Fe2O3 and Fe3O4[J]. Journal of Nuclear and Radiochemistry, 2009, 31(1): 10-15.
    Citation: ZHANG Ying-jie, FENG Xiao-gui, LIANG Jun-fu, CHEN Jing, SU Rui, WANG Ju. Adsorption Behavior of Am(Ⅲ) on Fe2O3 and Fe3O4[J]. Journal of Nuclear and Radiochemistry, 2009, 31(1): 10-15.
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    Adsorption Behavior of Am(Ⅲ) on Fe2O3 and Fe3O4

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    • The adsorption behavior of Am(Ⅲ) on Fe2O3 and Fe3O4 were studied in BS03 well groundwater(sampled from drilling well BS03 at Beishan(BS) area—a potential site for China’s high level radioactive waste repository) by a batch technique at (25±1) ℃. The influences of pH， sulphate ion， total carbonate ion， humic acid， and concentration of the Am(Ⅲ) on the adsorption behavior were also studied， and the possible adsorption mechanisms were discussed. Experimental results show that the adsorption distribution ratio of Am(Ⅲ) on Fe2O3 and Fe3O4 are increased with increasing pH value of the aqueous phase. The chemical composition of the groundwater is the main factor which influence the species of Am(Ⅲ) and adsorption. The adsorption mechanism of Am(Ⅲ) on Fe2O3 and Fe3O4 is surface complexation. The adsorption isotherm of Am(Ⅲ) on Fe2O3 and Fe3O4 can be described by the Freundlich’s equation.
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