Adsorption and separation behaviors of molybdenum from high-level liquid waste using a silica-based hydroxyoxime impregnated adsorbent

被引:6
|
作者
Ito, Tatsuya [1 ]
Kim, Seong-Yun [1 ]
机构
[1] Tohoku Univ, Grad Sch Engn, Dept Quantum Sci & Energy Engn, Aoba Ku, 6-6-01-2 Aza Aoba Aramaki, Sendai, Miyagi 9808579, Japan
关键词
Macroporous silica-based adsorbent; Hydroxyoxime; Molybdenum; Adsorption; High-level liquid waste; COORDINATION CHEMISTRY; EXTRACTANT MIXTURES; LIX; 63; CHROMATOGRAPHY; PALLADIUM(II);
D O I
10.1007/s10967-018-5838-9
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
To separate Mo(VI) from high-level liquid waste, a silica-based (anti-DEHDO + Dodec)/SiO2-P adsorbent was synthesized by impregnating an anti-isomer of 5,8-dietyl-7-hydroxy-6-dodecanonoxime (DEHDO) as a hydroxyoxime-type extractant and a molecule modifier of 1-dodecanol into a SiO2-P support, where "P" indicates the polymerized styrene-divinylbenzene inside macroporous SiO2 particles. Adsorption and separation behaviors of Mo(VI) in HNO3 solutions onto the adsorbent were investigated by batch and column methods, respectively. The adsorbent can effectively adsorb Mo(VI) in both methods. In addition, Pd(II) and Zr(IV) contained in the simulated high-level liquid waste were successfully isolated by the adsorbent packed column, respectively.
引用
收藏
页码:1165 / 1172
页数:8
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