Examining the Role of Canister Cooling Conditions on the Formation of Nepheline from Nuclear Waste Glasses
- Savannah River Site (SRS), Aiken, SC (United States); Savannah River National Laboratory (SRNL), Aiken, SC (United States)
Nepheline (NaAlSiO4) crystals can form during slow cooling of high-level waste (HLW) glass after it has been poured into a waste canister. Formation of these crystals can adversely affect the chemical durability of the glass. The tendency for nepheline crystallization to form in a HLW glass increases with increasing concentrations of Al2O3 and Na2O.
- Research Organization:
- Savannah River Site (SRS), Aiken, SC (United States); USDOE Office of River Protection (ORP), Richland, WA (United States)
- Sponsoring Organization:
- USDOE Office of Environmental Management (EM)
- DOE Contract Number:
- AC09-08SR22470
- OSTI ID:
- 1215487
- Report Number(s):
- SRNL--STI-2015-00429
- Country of Publication:
- United States
- Language:
- English
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