Oxidative Decontamination of Tritiated Materials Employing Ozone Gas

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The Princeton Plasma Physics Laboratory has developed a process by which to significantly reduce surface and near surface tritium contamination from various materials. The Oxidative Tritium Decontamination System (OTDS) reacts gaseous state ozone (accelerated by presence of catalyst), with tritium entrained/deposited on the surface of components (stainless steel, copper, plastics, ceramics, etc.), for the purpose of activity reduction by means of oxidation-reduction chemistry. In addition to removing surface and near surface tritium contamination from (high monetary value) components for reuse in non-tritium environments, the OTDS has the capability of removing tritium from the surfaces of expendable items, which can then ... continued below

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579 Kilobytes pages

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Gentile, Charles A.; Parker, John J. & Guttadora, Gregory L. November 12, 2001.

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Description

The Princeton Plasma Physics Laboratory has developed a process by which to significantly reduce surface and near surface tritium contamination from various materials. The Oxidative Tritium Decontamination System (OTDS) reacts gaseous state ozone (accelerated by presence of catalyst), with tritium entrained/deposited on the surface of components (stainless steel, copper, plastics, ceramics, etc.), for the purpose of activity reduction by means of oxidation-reduction chemistry. In addition to removing surface and near surface tritium contamination from (high monetary value) components for reuse in non-tritium environments, the OTDS has the capability of removing tritium from the surfaces of expendable items, which can then be disposed of in a less expensive fashion. The OTDS can be operated in a batch mode by which up to approximately 40 pounds of tritium contaminated (expendable) items can be processed and decontaminated to levels permissible for free release (less than1,000 dpm/100 cm 2). This paper will discuss the OTDS process, the level of tritium surface contamination removed from various materials, and a technique for ''deep scrubbing'' tritium from subsurface layers.

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579 Kilobytes pages

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INIS; OSTI as DE00792585

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  • Other Information: PBD: 12 Nov 2001

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  • Report No.: PPPL-3627
  • Grant Number: AC02-76CH03073
  • DOI: 10.2172/792585 | External Link
  • Office of Scientific & Technical Information Report Number: 792585
  • Archival Resource Key: ark:/67531/metadc740121

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

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  • November 12, 2001

Added to The UNT Digital Library

  • Oct. 19, 2015, 7:39 p.m.

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  • April 15, 2016, 10:06 p.m.

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Gentile, Charles A.; Parker, John J. & Guttadora, Gregory L. Oxidative Decontamination of Tritiated Materials Employing Ozone Gas, report, November 12, 2001; Princeton, New Jersey. (digital.library.unt.edu/ark:/67531/metadc740121/: accessed November 15, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.