Effect of selective sorptive agents on leachability of {sup 137}Cs and {sup 90}Sr

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Decades ago it was established that illite effectively improves {sup 137}Cs leach resistance. Subsequently, illite has become a standard ingredient used at Oak Ridge National Laboratory in grouts developed to stabilize {sup 137}Cs. Adding illite improves {sup 137}Cs leach resistance by three orders of magnitude, and increasing the illite concentration can add another order of magnitude improvement. Adding crystalline silicotitanate, a selective sorptive agent developed more recently for {sup 137}Cs, not only improves {sup 137}Cs leach resistance by an order-of-magnitude over that obtained using illite but also improves {sup 85}Sr leach resistance by two orders of magnitude.

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7 p.

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Spence, R.D. June 1, 1998.

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Decades ago it was established that illite effectively improves {sup 137}Cs leach resistance. Subsequently, illite has become a standard ingredient used at Oak Ridge National Laboratory in grouts developed to stabilize {sup 137}Cs. Adding illite improves {sup 137}Cs leach resistance by three orders of magnitude, and increasing the illite concentration can add another order of magnitude improvement. Adding crystalline silicotitanate, a selective sorptive agent developed more recently for {sup 137}Cs, not only improves {sup 137}Cs leach resistance by an order-of-magnitude over that obtained using illite but also improves {sup 85}Sr leach resistance by two orders of magnitude.

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7 p.

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INIS; OSTI as DE98005736

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  • SPECTRUM `98: nuclear and hazardous waste management international topical meeting, Denver, CO (United States), 13-18 Sep 1998

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  • Other: DE98005736
  • Report No.: ORNL/CP--98158
  • Report No.: CONF-980905--
  • Grant Number: AC05-96OR22464
  • Office of Scientific & Technical Information Report Number: 663350
  • Archival Resource Key: ark:/67531/metadc701904

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Office of Scientific & Technical Information Technical Reports

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  • June 1, 1998

Added to The UNT Digital Library

  • Sept. 12, 2015, 6:31 a.m.

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  • June 14, 2016, 5:37 p.m.

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Spence, R.D. Effect of selective sorptive agents on leachability of {sup 137}Cs and {sup 90}Sr, article, June 1, 1998; Tennessee. (digital.library.unt.edu/ark:/67531/metadc701904/: accessed July 19, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.