Adsorption and separation behavior of strontium and yttrium using a silica-based bis(2-ethylhexyl) hydrogen phosphate adsorbent

被引:12
作者
Kawamura, Taiga [1 ,2 ]
Wu, Hao [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
[2] Japan Nucl Fuel Ltd, 4-108 Aza Okitsuke, Rokkasyo, Aomori 0393212, Japan
关键词
HDEHP-impregnated adsorbent; Strontium; Yttrium; Separation; Extraction chromatography; EXTRACTION; Y-90; REMOVAL; MODELS; SR-90; FORMS; RESIN; CMPO;
D O I
10.1007/s10967-021-07806-9
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
(HDEHP + Hexa)/SiO2-P, a silica-based adsorbent, was prepared and used to separate Y(III) from a mixed solution of Sr(II) and Y(III). The adsorption behavior of the adsorbent was investigated using batch tests. The adsorbent exhibited high adsorption performance for Y(III) in low nitric acid concentrations and weak adsorption performance for Y(III) at higher concentrations. In contrast, Sr(II) was not adsorbed in either acid concentration range. The same tendency was observed under hydrochloric acid conditions. Y(III) separation from a mixed solution of Sr(II) and Y(III) was verified by a column test. Overall, the (HDEHP + Hexa)/SiO2-P adsorbent can separate Y(III) from Sr(II).
引用
收藏
页码:1001 / 1009
页数:9
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