The comparison of element partitioning in two types of thermal treatment facilities and the effects on potential radiation dose

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The US Department of Energy (DOE) is performing a technical analysis to support the potential development of risk-based, numerical radiological control criteria (RCC) for mixed waste from DOE operations. As part of the technical analysis, potential future radiation doses are being calculated for workers at thermal treatment facilities and members of the public residing near such facilities. This study compared two types of thermal treatment systems: a conventional combustion chamber with excess air, represented by a rotary kiln with afterburner, and an oxygen-deficient pyrolysis unit, represented by a plasma arc furnace. The purpose of the first part of this study ... continued below

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10 p.

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Aaberg, R.L.; Burger, L.L.; Baker, D.A.; Wallo, A. III; Vazquez, G.A. & Beck, W.L. May 1, 1995.

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  • Pacific Northwest Laboratory
    Publisher Info: Pacific Northwest Lab., Richland, WA (United States)
    Place of Publication: Richland, Washington

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Description

The US Department of Energy (DOE) is performing a technical analysis to support the potential development of risk-based, numerical radiological control criteria (RCC) for mixed waste from DOE operations. As part of the technical analysis, potential future radiation doses are being calculated for workers at thermal treatment facilities and members of the public residing near such facilities. This study compared two types of thermal treatment systems: a conventional combustion chamber with excess air, represented by a rotary kiln with afterburner, and an oxygen-deficient pyrolysis unit, represented by a plasma arc furnace. The purpose of the first part of this study is to estimate the partitioning for significant radionuclides and elements in the two types of thermal treatment systems. Excess-air systems are generally found to produce heavy-metal chlorides, oxides, and sulfates; plasma-arc systems tend to produce more volatile free metals. This difference causes a change in source term dominance from halide volatility to free metal volatility. Chemical thermodynamic methodology is used to estimate partitioning in the two treatment systems. The second part of the study examines how the potential radiation dose to workers handling residue materials is affected by partitioning of radionuclides at the different types of facilities.

Physical Description

10 p.

Notes

INIS; OSTI as DE95014175

Source

  • 14. international symposium on thermal treatment technologies: incineration conference, Seattle, WA (United States), 8-12 May 1995

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  • Other: DE95014175
  • Report No.: PNL-SA--25207
  • Report No.: CONF-950542--4
  • Grant Number: AC06-76RL01830
  • DOI: 10.2172/106506 | External Link
  • Office of Scientific & Technical Information Report Number: 106506
  • Archival Resource Key: ark:/67531/metadc619355

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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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Creation Date

  • May 1, 1995

Added to The UNT Digital Library

  • June 16, 2015, 7:43 a.m.

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  • April 7, 2016, 2:30 p.m.

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Aaberg, R.L.; Burger, L.L.; Baker, D.A.; Wallo, A. III; Vazquez, G.A. & Beck, W.L. The comparison of element partitioning in two types of thermal treatment facilities and the effects on potential radiation dose, report, May 1, 1995; Richland, Washington. (digital.library.unt.edu/ark:/67531/metadc619355/: accessed October 18, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.