Description
Improper heat treatment of glass can produce macroscopic phase separation, which could lead to a reduction of the chemical resistance of the glass. In particular, this process would favour the selective leaching of Cs and Sr. This should be avoided by quality control procedures for vitrification.
OPA Category
Category as used in the OPA assessment
Vitrified HLW
OPA Number
Number as used in the OPA assessment
2.02
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