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Vitrification of Simulated Intermediate-Level French and Russian Wastes in “Cold Crucible” Based Plant

  • F. A. Lifanov (a1), S. V. Stefanovsky (a1), A. P. Kobelev (a1), V. I. Kornev (a1), A. E. Savkin (a1), O. A. Knyazev (a1), T. N. Lashchenova (a1), S. Merlin (a2) and P. Roux (a2)...

Abstract

Comparative tests on SGN and Radon simulated ILW vitrification with a cold crucible based experimental plant were performed. The batch was fed as paste with 20 wt.% moisture. An operation conditions, the ability of the cold crucible to maintain the differential pressure during the operation, process variables, product properties, off-gas and condensate compositions, the effect of melt agitation on melter capacity and cesium loss have been determined. Melt viscosity and resistivity have been measured. Material structures were studied using infra-red spectroscopy and electron microscopy. Leach rates of sodium and potassium cations as well as Cs-137 have been measured. The behavior of sulfate and chloride ions in the vitrification process as well as their solubility in SGN and “Radon” glasses have been investigated.

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2. Lifanov, F.A., Kobelev, A.P., Dmitriev, S.A. et.al. in Proc. of the 1993 Intern. Conf. on Nuclear Waste Management and Environmental Remediation, Prague, 3 (1993) p.241246.
3. Sobolev, I.A., Lifanov, F.A., Dmitriyev, S.A. et.al., in SPECTRUM-94, Nuclear and Hazardous Waste Management International Topical Meeting, Atlanta 3 (1994) p.22502254.
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Vitrification of Simulated Intermediate-Level French and Russian Wastes in “Cold Crucible” Based Plant

  • F. A. Lifanov (a1), S. V. Stefanovsky (a1), A. P. Kobelev (a1), V. I. Kornev (a1), A. E. Savkin (a1), O. A. Knyazev (a1), T. N. Lashchenova (a1), S. Merlin (a2) and P. Roux (a2)...

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