Adsorption and separation of yttrium(III) and strontium(II) in acidic solutions using a diglycolamic acid-grafted adsorbent

To achieve the mutual separation of yttrium(Y(III)) and strontium(Sr(II)) from acidic solution, a diglycolamic acid-grafted adsorbent (DGAA−Si adsorbent) was successfully developed via a facile amidation reaction between diglycolic anhydride and a 3-aminopropyl-functionalized silica-gel. The adsorpt...

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Bibliographic Details
Published in:Journal of radioanalytical and nuclear chemistry 2023-08, Vol.332 (8), p.3001-3008
Main Authors: Kim, Seong-Yun, Kawamura, Taiga, Wu, Hao
Format: Article
Language:English
Subjects:
Adsorbents
Adsorption
Chemistry
Chemistry and Materials Science
Diagnostic Radiology
Emission analysis
Hadrons
Heavy Ions
Inorganic Chemistry
Nuclear Chemistry
Nuclear Physics
Physical Chemistry
Separation
Silica gel
Silicon
Yttrium
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Summary:To achieve the mutual separation of yttrium(Y(III)) and strontium(Sr(II)) from acidic solution, a diglycolamic acid-grafted adsorbent (DGAA−Si adsorbent) was successfully developed via a facile amidation reaction between diglycolic anhydride and a 3-aminopropyl-functionalized silica-gel. The adsorption performances of DGAA−Si adsorbent toward Y(III) and Sr(II) were systematically investigated in terms of the effect of the acid concentration etc. The particle-induced X-ray emission analysis method was used to study the adsorption behavior in the solid-state and elucidated the distribution conditions of the adsorbed Y(III) and Sr(II). Moreover, the mutual separation of Y(III) and Sr(II) was successfully achieved using acid in different concentration as an effluent solution.
ISSN:0236-5731
1588-2780
DOI:10.1007/s10967-023-09010-3