Balance of oxygen throughout the conversion of a high-level waste melter feed to glass

Lee, SeungMin; Hrma, Pavel; Kloužek, Jaroslav; Pokorny, Richard; Hujová, Miroslava; Dixon, Derek R.; Schweiger, Michael J.; Kruger, Albert A.

doi:10.1016/j.ceramint.2017.07.002

Balance of oxygen throughout the conversion of a high-level waste melter feed to glass

Journal Article · Mon Jul 03 00:00:00 EDT 2017 · Ceramics International

DOI:https://doi.org/10.1016/j.ceramint.2017.07.002· OSTI ID:1368408

Lee, SeungMin ^[1]; Hrma, Pavel ^[1]; Kloužek, Jaroslav ^[2]; Pokorny, Richard ^[2]; Hujová, Miroslava ^[2]; Dixon, Derek R. ^[1]; Schweiger, Michael J. ^[1]; Kruger, Albert A. ^[3]

Pacific Northwest National Lab. (PNNL), Richland, WA (United States)
Joint Workplace of the Univ. of Chemistry and Technology Prague (Czech Republic). Lab. of Inorganic Materials
USDOE Office of River Protection, Richland, WA (United States)

Gases evolve from nuclear waste melter feed during conversion to glass in response to heating. This article is focused on oxygen mass balance based on the stoichiometry of feed melting reactions and evolved-gas analysis data. Whereas O₂-producing and -consuming batch-melting reactions are complete in the reacting and primary-foam layers of the cold cap, O₂ from redox reactions continues to evolve as long as melt temperature increases, and thus generates secondary foam. Also, we discuss the relationship between the oxygen mass balance and the temperature-dependent iron redox ratio and the O₂ partial pressure, as they evolve during the feed-to-glass conversion.

View Accepted Manuscript (DOE)

Research Organization:: Pacific Northwest National Laboratory (PNNL), Richland, WA (United States)

Sponsoring Organization:: USDOE

Grant/Contract Number:: AC05-76RL01830

OSTI ID:: 1368408

Alternate ID(s):: OSTI ID: 1550407

Report Number(s):: PNNL-SA--125403; PII: S0272884217314141

Journal Information:: Ceramics International, Journal Name: Ceramics International Journal Issue: 16 Vol. 43; ISSN 0272-8842

Publisher:: ElsevierCopyright Statement

Country of Publication:: United States

Language:: English

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Foaming during nuclear waste melter feeds conversion to glass: Application of evolved gas analysis Hujova, Miroslava; Pokorny, Richard; Klouzek, Jaroslav International Journal of Applied Glass Science, Vol. 9, Issue 4 https://doi.org/10.1111/ijag.12353	journal	April 2018
Heat transfer from glass melt to cold cap: Effect of heating rate Lee, Seung Min; Hrma, Pavel; Pokorny, Richard International Journal of Applied Glass Science, Vol. 10, Issue 3 https://doi.org/10.1111/ijag.13104	journal	February 2019
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Heat transfer from glass melt to cold cap: Gas evolution and foaming Hrma, Pavel; Klouzek, Jaroslav; Pokorny, Richard Journal of the American Ceramic Society, Vol. 102, Issue 10 https://doi.org/10.1111/jace.16484	journal	April 2019
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37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
Evolved gas
Fe redox ratio
Feed-to-glass conversion
Oxygen mass balance
Oxygen partial pressure

Balance of oxygen throughout the conversion of a high-level waste melter feed to glass

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References (27)

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