Abstract
A specialized ethylamine-bridged β-cyclodextrins (EB β-CD) was synthetized. EB β-CD’s adsorption properties of thorium ions were performed. Experimental results show that the adsorption of thorium using the EB β-CD can achieve equilibrium within 60 min at room temperature under the condition of pH 4, the adsorbance is 10.49 mg g−1. The results of SEM and BET nitrogen adsorption show that, EB β-CD is typical mesoporous material. According to pseudo-second-order kinetics, the adsorption of Th(IV) indicating the influence of textural properties of EB β-CD on the rate of adsorption. The thermodynamic parameters obtained showed that the adsorption process is exothermic, spontaneous process.
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The authors gratefully acknowledge the financial support from National Natural Science Foundation of China (No. 11375084).
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Hu, C., Liu, Hj., Peng, L. et al. Synthesis of ethylamine-bridged β-cyclodextrins and adsorption properties of thorium. J Radioanal Nucl Chem 308, 251–259 (2016). https://doi.org/10.1007/s10967-015-4306-z
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DOI: https://doi.org/10.1007/s10967-015-4306-z