Tritium Removal from Carbon Plasma Facing Components

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Tritium removal is a major unsolved development task for next-step devices with carbon plasma-facing components. The 2-3 order of magnitude increase in duty cycle and associated tritium accumulation rate in a next-step tokamak will place unprecedented demands on tritium removal technology. The associated technical risk can be mitigated only if suitable removal techniques are demonstrated on tokamaks before the construction of a next-step device. This article reviews the history of codeposition, the tritium experience of TFTR (Tokamak Fusion Test Reactor) and JET (Joint European Torus) and the tritium removal rate required to support ITER's planned operational schedule. The merits and ... continued below

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820 Kilobytes pages

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Skinner, C.H.; Coad, J.P. & Federici, G. November 24, 2003.

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Description

Tritium removal is a major unsolved development task for next-step devices with carbon plasma-facing components. The 2-3 order of magnitude increase in duty cycle and associated tritium accumulation rate in a next-step tokamak will place unprecedented demands on tritium removal technology. The associated technical risk can be mitigated only if suitable removal techniques are demonstrated on tokamaks before the construction of a next-step device. This article reviews the history of codeposition, the tritium experience of TFTR (Tokamak Fusion Test Reactor) and JET (Joint European Torus) and the tritium removal rate required to support ITER's planned operational schedule. The merits and shortcomings of various tritium removal techniques are discussed with particular emphasis on oxidation and laser surface heating.

Physical Description

820 Kilobytes pages

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INIS; OSTI as DE00820208

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  • Other Information: PBD: 24 Nov 2003

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  • Report No.: PPPL-3906
  • Grant Number: AC02-76CH03073
  • DOI: 10.2172/820208 | External Link
  • Office of Scientific & Technical Information Report Number: 820208
  • Archival Resource Key: ark:/67531/metadc736101

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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.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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  • November 24, 2003

Added to The UNT Digital Library

  • Oct. 18, 2015, 6:40 p.m.

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  • April 18, 2016, 1:10 p.m.

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Skinner, C.H.; Coad, J.P. & Federici, G. Tritium Removal from Carbon Plasma Facing Components, report, November 24, 2003; Princeton, New Jersey. (digital.library.unt.edu/ark:/67531/metadc736101/: accessed April 21, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.