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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2022.6
- 수록면
- 1,991 - 2,003 (13page)
- DOI
- https://doi.org/10.1016/j.net.2021.12.010
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초록· 키워드
오류제보하기
The problem of water contamination by long-living cesium and strontium radionuclides is an urgentenvironmental issue. The development of facile and efficient technologies based on nanostructuredadsorbents is a perspective for selective radionuclides removal. In this regard, current work aimed toobtain the nanostructured magnetic zeolite composites with high adsorption performance to cesium andstrontium ions. The optimal conditions of hydrothermal synthesis were established based on XRD, SEMEDX, N2 adsorption-desorption, VSM, and batch adsorption experiment data. The role of chemicalcomposition, textural characteristics, and surface morphology was demonstrated. The monolayer ionexchange mechanism was proposed based on adsorption isotherm modeling. The highest Langmuiradsorption capacity of 229.6 and 105.1 mg/g towards cesium and strontium ions was reached forcomposite obtained at 90 C hydrothermal treatment. It was shown that magnetic characteristics ofzeolite composites allowing to separate spent adsorbents by a magnet from aqueous solutions
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