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Sorption characteristics of137Cs onto clay minerals: Effect of mineral structure and ionic strength

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Abstract

The sorption behavior of137Cs onto kaolinite, bentonite, illite, and zeolite was studied at different ionic strengths of Na+, K+, Ca2+. A significant effect of ionic strengths on the sorption has been observed. Clay minerals with 2∶1 structure (bentonite, illite) showed much higher sorption than that of 1∶1 structure (kaolinite). Zeolite showed high selectivity for137Cs sorption. Sorption behavior of137Cs on clay minerals can be explained by their surface charge characteristics originated from mineral structure.

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Authors and Affiliations

  1. Korea Atomic Energy Research Institute, Yusung, P. O. Box 105, 305-600, Taejon, (Korea)

    Young-Hwan Cho, Chan-Ho Jeong & Pil-Soo Hahn

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  1. Young-Hwan Cho
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  2. Chan-Ho Jeong
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  3. Pil-Soo Hahn
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Cho, YH., Jeong, CH. & Hahn, PS. Sorption characteristics of137Cs onto clay minerals: Effect of mineral structure and ionic strength. Journal of Radioanalytical and Nuclear Chemistry, Articles 204, 33–43 (1996). https://doi.org/10.1007/BF02060865

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  • DOI: https://doi.org/10.1007/BF02060865

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