Abstract
Effective adsorption of Sr(II) onto H2O2-modified attapulgite in aqueous solution was investigated about kinetics and isothermal equilibrium adsorption. The adsorption equilibrium process of Sr(II) on adsorbents reached about 8 h at 40 °C. The adsorption kinetics followed the pseudo-second order equation and the isothermal adsorption data were fit well with the Langmuir isotherm model. The enhanced adsorption mechanism of H2O2-modified attapulgite for Sr(II) in aqueous solution was expatiated in detail. The H2O2 treatment for attapulgite is effective and as-made adsorbents can be applied for removal of Sr(II) in radioactive waste water.
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This work was financially supported by the PhD Fund of South West University of Science and Technology (Granted No. 13zx7132).
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Liu, D., Zheng, H. Enhanced adsorption of radioactive strontium ions from aqueous solution by H2O2-modified attapulgite. J Radioanal Nucl Chem 311, 1883–1890 (2017). https://doi.org/10.1007/s10967-017-5184-3
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DOI: https://doi.org/10.1007/s10967-017-5184-3