Hanford immobilized LAW product acceptance: Initial Tanks Focus Area testing data package

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Description

The Hanford Site's mission has been to produce nuclear materials for the US Department of Energy (DOE) and its predecessors. A large inventory of radioactive and mixed waste, largely generated during plutonium production, exists in 177 underground single- and double-shell tanks. These wastes are to be retrieved and separated into low-activity waste (LAW) and high-level waste (HLW) fractions. The total volume of LAW requiring immobilization will include the LAW separated from the tank waste, as well as new wastes generated by the retrieval, pretreatment, and immobilization processes. Per the Tri-Party Agreement (1994), both the LAW and HLW will be vitrified. ... continued below

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Medium: P; Size: 155 pages

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Vienna, JD; Jiricka, A; McGrail, BP; Jorgensen, BM; Smith, DE; Allen, BR et al. March 8, 2000.

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This report is part of the collection entitled: Office of Scientific & Technical Information Technical Reports and was provided by UNT Libraries Government Documents Department to Digital Library, a digital repository hosted by the UNT Libraries. It has been viewed 12 times . More information about this report can be viewed below.

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Description

The Hanford Site's mission has been to produce nuclear materials for the US Department of Energy (DOE) and its predecessors. A large inventory of radioactive and mixed waste, largely generated during plutonium production, exists in 177 underground single- and double-shell tanks. These wastes are to be retrieved and separated into low-activity waste (LAW) and high-level waste (HLW) fractions. The total volume of LAW requiring immobilization will include the LAW separated from the tank waste, as well as new wastes generated by the retrieval, pretreatment, and immobilization processes. Per the Tri-Party Agreement (1994), both the LAW and HLW will be vitrified. It has been estimated that vitrification of the LAW waste will result in over 500,000 metric tons or 200,000 m{sup 3} of immobilized LAW (ILAW) glass. The ILAW glass is to be disposed of onsite in a near-surface burial facility. It must be demonstrated that the disposal system will adequately retain the radionuclides and prevent contamination of the surrounding environment. This report describes a study of the impacts of systematic glass-composition variation on the responses from accelerated laboratory corrosion tests of representative LAW glasses. A combination of two tests, the product consistency test and vapor-hydration test, is being used to give indictations of the relative rate at which a glass could be expected to corrode in the burial scenario.

Physical Description

Medium: P; Size: 155 pages

Notes

INIS; OSTI as DE00751986

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  • Other Information: PBD: 8 Mar 2000

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  • Report No.: PNNL-13101
  • Report No.: EW4010000
  • Grant Number: AC06-76RL01830
  • DOI: 10.2172/751986 | External Link
  • Office of Scientific & Technical Information Report Number: 751986
  • Archival Resource Key: ark:/67531/metadc704191

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  • March 8, 2000

Added to The UNT Digital Library

  • Sept. 12, 2015, 6:31 a.m.

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  • April 6, 2016, 2:21 p.m.

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Vienna, JD; Jiricka, A; McGrail, BP; Jorgensen, BM; Smith, DE; Allen, BR et al. Hanford immobilized LAW product acceptance: Initial Tanks Focus Area testing data package, report, March 8, 2000; Richland, Washington. (digital.library.unt.edu/ark:/67531/metadc704191/: accessed August 17, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.