Iodine Sequestration Using Delafossites and Layered Hydroxides

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The objective of this document is to report on early success for sequestering {sup 129}I. Sorption coefficients (K{sub d}) for I{sup -} and IO{sub 3}{sup -} onto delafossites, spinels and layered metal hydroxides were measured in order to compare their applicability for sequestering {sup 129}I. The studies were performed using a dilute fluid composition representative of groundwater indigenous to the Yucca mountain area. Delafossites generally exhibited relatively poor sorption coefficients (< 10{sup 1.7} mL/g). In contrast, the composition of the layered hydroxides significantly affects their ability to sorb I. Cu/Al and Cu/Cr layered hydroxide samples exhibit K{sub d}'s greater than ... continued below

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Pless, J.D.; Chwirka, J.B. & Krumhansl, J.L. March 28, 2006.

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The objective of this document is to report on early success for sequestering {sup 129}I. Sorption coefficients (K{sub d}) for I{sup -} and IO{sub 3}{sup -} onto delafossites, spinels and layered metal hydroxides were measured in order to compare their applicability for sequestering {sup 129}I. The studies were performed using a dilute fluid composition representative of groundwater indigenous to the Yucca mountain area. Delafossites generally exhibited relatively poor sorption coefficients (< 10{sup 1.7} mL/g). In contrast, the composition of the layered hydroxides significantly affects their ability to sorb I. Cu/Al and Cu/Cr layered hydroxide samples exhibit K{sub d}'s greater than 10{sup 3} mL/g for both I{sup -} and IO{sub 3}{sup -}.

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  • Report No.: NA
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  • Office of Scientific & Technical Information Report Number: 894022
  • Archival Resource Key: ark:/67531/metadc889478

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  • March 28, 2006

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  • Sept. 22, 2016, 2:13 a.m.

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  • Nov. 29, 2016, 4:25 p.m.

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Pless, J.D.; Chwirka, J.B. & Krumhansl, J.L. Iodine Sequestration Using Delafossites and Layered Hydroxides, article, March 28, 2006; Las Vegas, Nevada. (digital.library.unt.edu/ark:/67531/metadc889478/: accessed October 15, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.