Pumpable/injectable phosphate-bonded ceramics
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United States of America Patent
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Mar 20, 2001
Grant Date -
N/A
app pub date -
Jul 29, 1998
filing date -
Mar 18, 1996
priority date (Note) -
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Abstract
A pumpable ceramic composition is provided comprising an inorganic oxide, potassium phosphate, and an oxide coating material. Also provided is a method for preparing pumpable ceramic-based waste forms comprising selecting inorganic oxides based on solubility, surface area and morphology criteria; mixing the selected oxides with phosphate solution and waste to form a first mixture; combining an additive to the first mixture to create a second mixture; adding water to the second mixture to create a reactive mixture; homogenizing the reactive mixture; and allowing the reactive mixture to cure.
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