Impregnated fly ash sorbent for cesium-137 removal from water samples

Cesium-137 is an important indicator of radioactive pollution in the aquatic environment. The aim of this study was to increase the sorption capacity of fly ash by its modification using hexacyanoferrate impregnation. According to the results, the Langmuir model was more likely to be correct than th...

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Veröffentlicht in:Journal of radioanalytical and nuclear chemistry Jg. 324; H. 3; S. 1225 - 1236
Hauptverfasser: Silliková, Veronika, Dulanská, Silvia, Horník, Miroslav, Jakubčinová, Jana, Mátel, Ľubomír
Format: Journal Article
Sprache:Englisch
Veröffentlicht: Cham Springer International Publishing 01.06.2020
Springer
Springer Nature B.V
Schlagworte:
Analysis
Aquatic environment
Cesium
Cesium 137
Chemistry
Chemistry and Materials Science
Diagnostic Radiology
Fly ash
Hadrons
Heavy Ions
Inorganic Chemistry
Nuclear Chemistry
Nuclear energy
Nuclear Physics
Physical Chemistry
Sorbents
Sorption
Water pollution
Water sampling
Sorption
Hexacyanoferrate
Fly ash
Modification
Determination of 137-cesium
Sorbent
ISSN:0236-5731, 1588-2780
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Zusammenfassung:Cesium-137 is an important indicator of radioactive pollution in the aquatic environment. The aim of this study was to increase the sorption capacity of fly ash by its modification using hexacyanoferrate impregnation. According to the results, the Langmuir model was more likely to be correct than the Freundlich model. The maximum sorption capacity q max was 1.59 mmol/g, i.e. 210 mg Cs + per 1 g of the prepared sorbent. There was no significant decrease in the sorption capacity in the presence of both monovalent and divalent competitive cations. At the volume of 1–42 L the yield of Cs sorption was above 90%.
Bibliographie:ObjectType-Article-1
SourceType-Scholarly Journals-1
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ISSN:0236-5731
1588-2780
DOI:10.1007/s10967-020-07132-6