Description
Glass recrystallisation could occur and would lead to a less dissolution resistant waste matrix. However, crystallisation is a very slow process and only possible if a high glass temperature is maintained over a prolonged period. It is unlikely to occur below 400 °C and, therefore, considering a maximum glass temperature of 195 °C at disposal, it is assumed not to occur.
OPA Category
Category as used in the OPA assessment
Vitrified HLW
OPA Number
Number as used in the OPA assessment
2.01
Waste Relevance
Classes of waste to which this FEP is relevant
HLW
NEA V1 IFEP Reference(s)
Related IFEPs from the NEA V1 IFEP list from 1999
2.1.02