Determining the dissolution rates of actinide glasses: A time and temperature Product Consistency Test study

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Vitrification has been identified as one potential option for the e materials such as Americium (Am), Curium (Cm), Neptunium (Np), and Plutonium (Pu). A process is being developed at the Savannah River Site to safely vitrify all of the highly radioactive Am/Cm material and a portion of the fissile (Pu) actinide materials stored on site. Vitrification of the Am/Cm will allow the material to be transported and easily stored at the Oak Ridge National Laboratory. The Am/Cm glass has been specifically designed to be (1) highly durable in aqueous environments and (2) selectively attacked by nitric acid to allow recovery ... continued below

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16 p.

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Daniel, W.E. & Best, D.R. December 1, 1995.

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Description

Vitrification has been identified as one potential option for the e materials such as Americium (Am), Curium (Cm), Neptunium (Np), and Plutonium (Pu). A process is being developed at the Savannah River Site to safely vitrify all of the highly radioactive Am/Cm material and a portion of the fissile (Pu) actinide materials stored on site. Vitrification of the Am/Cm will allow the material to be transported and easily stored at the Oak Ridge National Laboratory. The Am/Cm glass has been specifically designed to be (1) highly durable in aqueous environments and (2) selectively attacked by nitric acid to allow recovery of the valuable Am and Cm isotopes. A similar glass composition will allow for safe storage of surplus plutonium. This paper will address the composition, relative durability, and dissolution rate characteristics of the actinide glass, Loeffler Target, that will be used in the Americium/Curium Vitrification Project at Westinghouse Savannah River Company near Aiken, South Carolina. The first part discusses the tests performed on the Loeffler Target Glass concerning instantaneous dissolution rates. The second part presents information concerning pseudo-activation energy for the one week glass dissolution process.

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16 p.

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INIS; OSTI as DE96002925

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  • 7. ACS special symposium: emerging technologies in hazardous waste management, Atlanta, GA (United States), 17-20 Sep 1995

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  • Other: DE96002925
  • Report No.: WSRC-MS--95-0313
  • Report No.: CONF-9509139--7
  • Grant Number: AC09-89SR18035
  • Office of Scientific & Technical Information Report Number: 137367
  • Archival Resource Key: ark:/67531/metadc626524

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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  • December 1, 1995

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  • June 16, 2015, 7:43 a.m.

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  • Feb. 9, 2016, 4:55 p.m.

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Daniel, W.E. & Best, D.R. Determining the dissolution rates of actinide glasses: A time and temperature Product Consistency Test study, article, December 1, 1995; Aiken, South Carolina. (digital.library.unt.edu/ark:/67531/metadc626524/: accessed December 12, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.