Journal
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY
Volume 321, Issue 1, Pages 235-242Publisher
SPRINGER
DOI: 10.1007/s10967-019-06584-9
Keywords
Chloroacetylation; Strong base anion exchange resin; Rhenium; Tc-99; Adsorption
Funding
- National Natural Science Foundation of China [11675103, 91226111]
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A new pyridyl anion exchange resin (PS-N) was synthesized by chloroacetylation and quaternization on the polystyrene-divinylbenzene microspheres (PS) and was characterized by FT-IR, TGA, and X-ray photoelectron spectroscopy. PS-N was applied to study the removal of Re(VII), a chemical analogue of Tc-99, to investigate the effect of solution acidity, resin dose and contact time on the adsorption efficiency. The adsorption process corresponded with the Langmuir isotherm model and matches well with pseudo-second-order kinetics. Based on the adsorption results of Re(VII), the adsorption efficiency of Tc-99 was examined to be 99.5% at optimum conditions.
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