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Title: Spinel dissolution via addition of glass forming chemicals. Results of preliminary experiments

Technical Report ·
DOI:https://doi.org/10.2172/1228056· OSTI ID:1228056
 [1];  [1]
  1. Savannah River Site (SRS), Aiken, SC (United States)

Increased loading of high level waste in glass can lead to crystallization within the glass. Some crystalline species, such as spinel, have no practical impact on the chemical durability of the glass, and therefore may be acceptable from both a processing and a product performance standpoint. In order to operate a melter with a controlled amount of crystallization, options must be developed for remediating an unacceptable accumulation of crystals. This report describes preliminary experiments designed to evaluate the ability to dissolve spinel crystals in simulated waste glass melts via the addition of glass forming chemicals (GFCs).

Research Organization:
Savannah River Site (SRS), Aiken, SC (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC09-08SR22470
OSTI ID:
1228056
Report Number(s):
SRNL-STI-2015-00575; TRN: US1600019
Country of Publication:
United States
Language:
English