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KMID : 1024520150240050641
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Journal of the Environmental Sciences
2015 Volume.24 No. 5 p.641 ~ p.646
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Adsorption Characteristics of Lithium Ions from Aqueous Solution using a Novel Adsorbent SAN-LMO Beads
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Kam Sang-Kyu
Park Jeong-Min
Lee Min-Gyu
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Abstract
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In order to recover lithium ions from aqueous solution, a novel SAN-LMO beads were prepared by immobilizing lithium manganese oxide (LMO) with styrene acrylonitrile copolymers (SAN). The optimum condition for synthesis of SAN-LMO beads was 5 g of LMO and 3 g of SAN content. The characterization of the prepared SAN-LMO beads by SEM and XRD were confirmed that LMO was immobilized in SAN-LMO beads. The removal and the distribution coefficient of lithium ions decreased with increasing lithium ion concentration and solution pH. Even when the prepared SAN-LMO beads were reused 5 times, the leakage of LMO and the damage of SAN-LMO beads was not observed.
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KEYWORD
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Adsorption, Immobilization, Lithium, Lithium manganese oxide (LMO), Styrene acrylonitrile copolymer (SAN)
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