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http://dx.doi.org/10.7464/ksct.2014.20.3.277

Preparation of a Novel PU-LMO Adsorbent by Immobilization of LMO on Polyurethane Foam for Recovery of Lithium Ions  

You, Hae-Na (Department of Chemical Engineering, Pukyong National University)
Lee, Min-Gyu (Department of Chemical Engineering, Pukyong National University)
Publication Information
Clean Technology / v.20, no.3, 2014 , pp. 277-282 More about this Journal
Abstract
In this study, PU-LMO was made by immobilization of LMO on urethane foam (PU) with using an EVA as a binder. PU-LMO was characterized by using X-Ray Diffractometer (XRD) and Scanning Electron Microscopy (SEM). The optimal ratio of EVA/LMO for preparation of PU-LMO was 0.26 gEVA/gLMO. The adsorption of lithium ions by PU-LMO was found to follow the pseudo-second-order kinetic model. The equilibrium data fitted well with Langmuir isotherm model and the maximum removal capacity of lithium ions was 17.09 mg/g. The PU-LMO was found to have a remarkably high selectivity of lithium ions and high adsorption capacity because the distribution coefficient ($K_d$) of lithium ion was higher than those of other metal ions.
Keywords
Ethylene vinyl acetate; Polyurethane; Lithium manganese oxide; Adsorption; Lithium ions;
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Times Cited By KSCI : 3  (Citation Analysis)
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