The glasses containing surrogate of Sludge Batch 4 (SB4) waste with high concentrations of aluminum and ferrous oxides within the waste loading (WL) range of ∼50 to 70 wt.% produced in alumina crucibles in a resistive furnace and in a 236 mm inner diameter cold crucible were examined by X-ray diffraction, electron microscopy and infra-red spectroscopy. At relatively low WLs (50 to 60 w.%) the products remain predominantly vitreous with minor crystalline spinel structure phase corresponding in chemical composition to trevorite-magnetite solid solution. At higher WLs (>60 wt.%) amount of crystalline phases increased significantly and a nepheline phase was observed. The products with WL of 65 to 70 wt.% were spinel/nepheline glass-ceramics. The glass with 60 wt.% WL slowly cooled in accordance with the canister centerline cooling (CCC) conditions contained minor nepheline. Occurrence of nepheline reduces the chemical durability of nuclear waste glasses.
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ASME 2009 12th International Conference on Environmental Remediation and Radioactive Waste Management
October 11–15, 2009
Liverpool, UK
Conference Sponsors:
- Nuclear Engineering Division and Environmental Engineering Division
ISBN:
978-0-7918-4407-6
PROCEEDINGS PAPER
The Effect of Waste Loading on the Characteristics of Borosilicate SRS SB4 Waste Glasses
Sergey Stefanovsky,
Sergey Stefanovsky
SIA Radon, Moscow, Russia
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Alexander Kobelev,
Alexander Kobelev
SIA Radon, Moscow, Russia
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Vladimir Lebedev,
Vladimir Lebedev
SIA Radon, Moscow, Russia
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Michael Polkanov,
Michael Polkanov
SIA Radon, Moscow, Russia
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Dmitriy Suntsov,
Dmitriy Suntsov
SIA Radon, Moscow, Russia
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James Marra
James Marra
SRNL, Aiken, SC
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Sergey Stefanovsky
SIA Radon, Moscow, Russia
Alexander Kobelev
SIA Radon, Moscow, Russia
Vladimir Lebedev
SIA Radon, Moscow, Russia
Michael Polkanov
SIA Radon, Moscow, Russia
Dmitriy Suntsov
SIA Radon, Moscow, Russia
James Marra
SRNL, Aiken, SC
Paper No:
ICEM2009-16196, pp. 835-841; 7 pages
Published Online:
December 12, 2010
Citation
Stefanovsky, S, Kobelev, A, Lebedev, V, Polkanov, M, Suntsov, D, & Marra, J. "The Effect of Waste Loading on the Characteristics of Borosilicate SRS SB4 Waste Glasses." Proceedings of the ASME 2009 12th International Conference on Environmental Remediation and Radioactive Waste Management. ASME 2009 12th International Conference on Environmental Remediation and Radioactive Waste Management, Volume 1. Liverpool, UK. October 11–15, 2009. pp. 835-841. ASME. https://doi.org/10.1115/ICEM2009-16196
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