Abstract
Bench and commercial-facility experiments have been performed on cold-crucible vitrification of a simulator of high-level wastes from the Savannah River site (USA). The wastes contained up to 29 mass% Fe2O3 and 26 mass% Al2O3. The specific product flow reached 1700 and 2450 kg/(m2·day) with specific energy consumption 14–16 and 9–10 kW·h/kg, respectively. The crucibles did not undergo any appreciable corrosion during the period of the work performed and are reusable. The product consisted of a borosilicate matrix, containing up to 10 vol.% crystalline phase of spinel. The method of induction melting in a cold crucible is especially effective for crucibles with a large diameter, since the specific productivity increases and the specific energy consumption on the vitrification of high-level wastes decreases.
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Translated from Atomnaya Énergiya, Vol. 104, No. 5, pp. 291–295, May, 2008.
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Kobelev, A.P., Stefanovskii, S.V., Lebedev, V.V. et al. Vitrification of a simulator of Savannah River site (USA) wastes with high iron and aluminum content on bench and commercial facilities with a cold crucible. At Energy 104, 381–386 (2008). https://doi.org/10.1007/s10512-008-9044-7
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DOI: https://doi.org/10.1007/s10512-008-9044-7