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Generalized Titanate Ceramic Waste Form for Advanced Purex Reprocessing
Author(s) -
Maddrell Ewan R.
Publication year - 2001
Publication title -
journal of the american ceramic society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.9
H-Index - 196
eISSN - 1551-2916
pISSN - 0002-7820
DOI - 10.1111/j.1151-2916.2001.tb00814.x
Subject(s) - purex , spent nuclear fuel , ceramic , plutonium , materials science , radioactive waste , dissolution , titanate , zirconium , waste management , chromium , environmental science , metallurgy , chemical engineering , nuclear chemistry , chemistry , extraction (chemistry) , solvent extraction , chromatography , engineering
Alternative dissolution processes for spent nuclear fuel lead to highly active waste streams rich in zirconium, iron, chromium, and nickel at levels that vary with fuel assembly design. A titanate ceramic phase assemblage has been developed with the flexibility to accommodate these variations in waste stream composition. Waste loadings range from 42 to 50 wt%. Leach rates are comparable to those from Synroc C.