Skip to Main content Skip to Navigation
Journal articles

Uranium (VI) Sorption Using Functionalized-Chitosan Magnetic Nanobased Particles

Abstract : Hybrid materials were synthesized by chemical grafting of different compounds (diethylenetriamine DETA, cysteine, alanine and serine) on chitosan/magnetite nanoparticles. The sorbents were characterized by TEM, XRD and FTIR analysis and vibrating sample magnetometry (VSM) before being tested for uranium sorption. The nanometric size of sorbent particles reduces the impact of diffusion resistance and uptake kinetics are quite fast. Sorption isotherms are modeled by the Langmuir equation. The sorption is spontaneous and exothermic. Uranium is desorbed using acidic thiourea and the sorbent can be recycled for at least 4/5 cycles.
Document type :
Journal articles
Complete list of metadata
Contributor : Administrateur IMT - Mines Alès Connect in order to contact the contributor
Submitted on : Friday, August 14, 2020 - 2:11:13 PM
Last modification on : Wednesday, October 20, 2021 - 1:23:04 AM




Ahmed Galhoum, Mohammad Mahfouz, Nabawia Gomaa, Vincent Thierry, Eric Guibal. Uranium (VI) Sorption Using Functionalized-Chitosan Magnetic Nanobased Particles. Advanced Materials Research, Trans Tech Publications, 2015, 1130, pp.499-502. ⟨10.4028/⟩. ⟨hal-02915419⟩



Record views