Effects of the Addition of Various Oxides on the Phase Separation in the Glass Containing High Level Radioactive Waste

The effect of the addition of modifier oxides on the phase separation in the glass of Na2O-B2O3-SiO2 system containing high level radioactive waste has been investigated. The amount of sham waste to be introduced into the glass without phase separation increased with the addition of Li2O, ZnO, CaO,...

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Bibliographic Details
Published inJournal of the Ceramic Association, Japan Vol. 88; no. 1013; pp. 59 - 63
Main Authors YAMANE, Masayuki, NAKAO, Yasumasa, OKUYAMA, Masahiko
Format Journal Article
LanguageJapanese
Published The Ceramic Society of Japan 01.01.1980
Subjects
Glass
High level radioacitve waste
Phase separation
Solidification
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Summary:The effect of the addition of modifier oxides on the phase separation in the glass of Na2O-B2O3-SiO2 system containing high level radioactive waste has been investigated. The amount of sham waste to be introduced into the glass without phase separation increased with the addition of Li2O, ZnO, CaO, MgO, TiO2, Al2O3, until the amount of the additives reached to some value. Parameters for estimating the limiting amount of waste to be introduced into a glass of given composition were determined for these oxides from experimental data. The estimated value of limiting amount of waste agreed to the experimental result, if the effect of the addition of the modifier oxides on the formation of nonbridging oxygen had been taken into considerations.
ISSN:0009-0255
1884-2127
DOI:10.2109/jcersj1950.88.59