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High-efficiency continuous enrichment of cesium ions using CuFC composite microspheres: dynamic adsorption and mechanism analysis
Ist Teil von
Journal of radioanalytical and nuclear chemistry, 2020-11, Vol.326 (2), p.959-973
Ort / Verlag
Cham: Springer International Publishing
Erscheinungsjahr
2020
Link zum Volltext
Quelle
Alma/SFX Local Collection
Beschreibungen/Notizen
In this study, we proposed a novel multi-walled carbon nanotubes (MWCNT) doping strategy. Based on the composite cross-linking effect, CuFC was encapsulated by Calcium alginate (CA), and Polyvinyl alcohol (PVA), and MWCNT were introduced into the pellet-forming process to form composite microsphere with excellent mechanical strength. The composite microsphere was characterized by FT-IR, XRD, SEM, EDS and XPS spectrometry. The composite microsphere filled column has excellent adsorption performance and can be used for continuous adsorption of Cs
+
. The dynamic adsorption behavior was well fitted by the Thomas model and the Yoon–Nelson model. Therefore, CuFC composite microsphere has promising potential for Cs
+
continuous adsorption from radioactive wastewater.