Abstract:The Sellafield Waste Vitrification Plant (WVP) immobilises highly active liquors produced during reprocessing of spent nuclear fuel by bonding the fission products as metal oxides into a borosilicate glass matrix. This provides a stable and durable waste form suitable for safe long term storage and ultimate disposal.WVP was commissioned with feed from reprocessing of Magnox reactor fuel. This material is relatively low in fission product content per tonne of fuel, but contains significant Al and Mg from fuel c… Show more
“…Joule heated melters are relatively intolerant of crystal growth in the melt which causes slag formation. [161] Recently, Sellafield has shown the ability to go to 38 wt% waste loading [162] from 25 wt% waste loading [163] by allowing spinel formation in the melt but the Sellafield melter is induction heated not a JHM design. However, 1-2% crystallization of spinels is planned for Hanford's HLW AJHM and it is anticipated that the spinel crystals will stay buoyant from the melt pool agitation afforded by the bubblers.…”
Section: Recent Advances In Wasteform Processingmentioning
“…Joule heated melters are relatively intolerant of crystal growth in the melt which causes slag formation. [161] Recently, Sellafield has shown the ability to go to 38 wt% waste loading [162] from 25 wt% waste loading [163] by allowing spinel formation in the melt but the Sellafield melter is induction heated not a JHM design. However, 1-2% crystallization of spinels is planned for Hanford's HLW AJHM and it is anticipated that the spinel crystals will stay buoyant from the melt pool agitation afforded by the bubblers.…”
Section: Recent Advances In Wasteform Processingmentioning
“…The AVM process has been operated successfully in France for 30 years and three vitrifi cation plants based on this process have been constructed at Marcoule and La Hague. A similar plant also been constructed at Sellafi eld, UK (Riley et al, 2009). …”
Section: Calcination and Vitrifi Cation Processesmentioning
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