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- Title
Synthesis of new type dipropyl imide chelating resin and its potential for uranium(VI) adsorption.
- Authors
Liu, Zhirong; Liu, Daqian; Cai, Zhiwang; Wang, Yun; Zhou, Liming
- Abstract
A new type chelating resin grafted alkylimide was synthesized to investigate uranium(VI) adsorption properties. The chelating resin was characterized by scanning electron microscopy, infrared spectroscopy and mercury intrusion porosimetry. Results showed that the chelating resin was a macroporous resin with the average pore size of 172.8 nm. The maximum adsorption amount could reach 64.9 mg/g when the dosage was 60 mg, the initial U(VI) concentration was 100 mg/L, the pH was 5.0 and the balance time was 48 h. The adsorption process was accorded with pseudo-first-order kinetic model and Freundlich isotherm model, and adsorption process was a spontaneous endothermic reaction.
- Subjects
AMIDE synthesis; CHELATING agents; URANIUM compounds synthesis; ADSORPTION (Chemistry); SCANNING electron microscopy; INFRARED spectroscopy; MACROPOROUS polymers; ENDOTHERMIC reactions
- Publication
Journal of Radioanalytical & Nuclear Chemistry, 2018, Vol 318, Issue 2, p1219
- ISSN
0236-5731
- Publication type
Article
- DOI
10.1007/s10967-018-6143-3