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http://dx.doi.org/10.7464/ksct.2014.20.2.154

Preparation of PVC-LMO Beads Using Dimethyl Sulfoxide Solvent and Adsorption Characteristics of Lithium Ions  

You, Hae-Na (Department of Chemical Engineering, Pukyong National University)
Lee, Dong-Hwan (Department of Chemistry, Dong Eui University)
Lee, Min-Gyu (Department of Chemical Engineering, Pukyong National University)
Publication Information
Clean Technology / v.20, no.2, 2014 , pp. 154-159 More about this Journal
Abstract
In this study, PVC-LMO beads were prepared by immobilizing lithium manganese oxide (LMO) with poly vinyl chloride (PVC) diluted in dimethyl sulfoxide (DMSO) solvent on behalf of N-methyl-2-pyrrolidone (NMP). XRD analysis confirmed that LMO was immobilized well in PVC-LMO beads. The diameter of PVC-LMO beads synthesized by DMSO was about 4 mm. The adsorption experiments of lithium ions by PVC-LMO beads were conducted batchwise. The maximum adsorption capacity obtained from Langmuir model was 21.31 mg/g. The adsorption characteristics of lithium ions by PVC-LMO beads was well described by the pseudo-second-order kinetic model. It was considered that the internal diffusion was the rate controlling step.
Keywords
Poly vinyl chloride (PVC); Lithium manganese oxide (LMO); Adsorption; Lithium; Dimethyl sulfoxide;
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Times Cited By KSCI : 4  (Citation Analysis)
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