DIRECT DISPOSAL OF A RADIOACTIVE ORGANIC WASTE IN A CEMENTITIOUS WASTE FORM

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The disposition of {sup 137}Cs-containing tetraphenylborate (TPB) waste at the Savannah River Site (SRS) by immobilization in the cementitious waste form, or grout called ''saltstone'' was proposed as a straightforward, cost-effective method for disposal. Tests were performed to determine benzene release due to TPB decomposition in saltstone at several initial TPB concentrations and temperatures. The benzene release rates for simulants and radioactive samples were generally comparable at the same conditions. Saltstone monoliths with only the top surface exposed to air at 25 and 55 C at any tetraphenylborate concentration or at any temperature with 30 mg/L TPB gave insignificant releases ... continued below

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Zamecnik, J; Alex Cozzi, A; Russell Eibling, R; Jonathan Duffey, J & Kim Crapse, K February 22, 2007.

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The disposition of {sup 137}Cs-containing tetraphenylborate (TPB) waste at the Savannah River Site (SRS) by immobilization in the cementitious waste form, or grout called ''saltstone'' was proposed as a straightforward, cost-effective method for disposal. Tests were performed to determine benzene release due to TPB decomposition in saltstone at several initial TPB concentrations and temperatures. The benzene release rates for simulants and radioactive samples were generally comparable at the same conditions. Saltstone monoliths with only the top surface exposed to air at 25 and 55 C at any tetraphenylborate concentration or at any temperature with 30 mg/L TPB gave insignificant releases of benzene. At higher TPB concentrations and 75 and 95 C, the benzene release could result in exceeding the Lower Flammable Limit in the saltstone vaults.

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  • International Conference on Incineration and Thermal Treatment Technologies

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  • Report No.: WSRC-STI-2007-00095
  • Grant Number: DE-AC09-96SR18500
  • Office of Scientific & Technical Information Report Number: 901916
  • Archival Resource Key: ark:/67531/metadc881951

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  • February 22, 2007

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  • Sept. 22, 2016, 2:13 a.m.

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  • Dec. 12, 2016, 3:39 p.m.

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Zamecnik, J; Alex Cozzi, A; Russell Eibling, R; Jonathan Duffey, J & Kim Crapse, K. DIRECT DISPOSAL OF A RADIOACTIVE ORGANIC WASTE IN A CEMENTITIOUS WASTE FORM, article, February 22, 2007; [Aiken, South Carolina]. (digital.library.unt.edu/ark:/67531/metadc881951/: accessed October 23, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.