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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2019.3
- 수록면
- 173 - 179 (7page)
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초록· 키워드
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Prussian blue (PB) is known to be an effective material for radioactive cesium adsorption, but its nano-range size make it difficult to be applied for contaminated water remediation. In this study, a simple and versatile approach to immobilize PB in the supporting matrix via surface functionalization was investigated. The commercially available poly vinyl alcohol (PVA) sponge was functionalized by acrylic acid (AA) to change its major functional group from hydroxyl to carboxylic, which provides a stronger ionic bond with PB. The amount of AA added was optimized by evaluating the weight change rate and iron(III) ion adsorption test. The FTIR results revealed the surface functional group changing to a carboxyl group. The surface functionalization enhanced the attachment of PB, which minimized the leaching out of PB. The Cs<SUP>+</SUP> adsorption capacity significantly increased due to surface functionalization from 1.762 to 5.675 mg/g. These findings showed the excellent potential of the PB-PAA-PVA sponge as a cesium adsorbent as well as a versatile approach for various supporting materials containing the hydroxyl functional group.
목차
ABSTRACT
1. Introduction
2. Materials and Methods
3. Results and Discussion
4. Conclusions
References
참고문헌 (22)
참고문헌 신청
Avery SV. Fate of caesium in the environment: Distribution between the abiotic and biotic components of aquatic and terrestrial ecosystems. J. Environ. Radioact. 1996;30:139-171.
McLaughlin PD, Jones B, Maher MM. An update on radioactive release and exposures after the Fukushima Dai-ichi nuclear disaster. Brit. J. Radiol. 2012;85:1222-1225.
Lehto J, Haukka S, Harjula R, Blomberg M. Mechanism of caesium ion exchange on potassium cobalt hexacyanoferrates(II). J. Chem. Soc. Dalton Trans. 1990;1990:1007-1011.
Bustos E, Godinez LA. Modified surfaces with nano-structured composites of Prussian blue and dendrimers. New materials for advanced electrochemical applications. Int. J. Electrochem. Sci. 2011;6:1-36.
Vincent T, Taulemesse JM, Dauvergne A, Chanut T, Testa F, Guibal E. Thallium(I) sorption using Prussian blue immobilized in alginate capsules. Carbohydr. Polym. 2014;99:517-526.
McLaughlin PD, Jones B, Maher MM. An update on radioactive release and exposures after the Fukushima Dai-ichi nuclear disaster. Brit. J. Radiol. 2012;85:1222-1225.
Lehto J, Haukka S, Harjula R, Blomberg M. Mechanism of caesium ion exchange on potassium cobalt hexacyanoferrates(II). J. Chem. Soc. Dalton Trans. 1990;1990:1007-1011.
Bustos E, Godinez LA. Modified surfaces with nano-structured composites of Prussian blue and dendrimers. New materials for advanced electrochemical applications. Int. J. Electrochem. Sci. 2011;6:1-36.
Vincent T, Taulemesse JM, Dauvergne A, Chanut T, Testa F, Guibal E. Thallium(I) sorption using Prussian blue immobilized in alginate capsules. Carbohydr. Polym. 2014;99:517-526.
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UCI(KEPA) : I410-ECN-0101-2019-539-000032914