SYNTHESIS OF SEQUESTRATION RESINS FOR WATER TREATMENT IN LIGHT WATER REACTORS
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United States of America Patent
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Issued Date -
May 21, 2015
app pub date -
Jan 30, 2015
filing date -
Dec 15, 2010
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Abstract
A sequestration resin for nuclear reactor coolant cleanup and for aqueous liquid radioactive waste cleanup that can irreversibly remove cobalt ion during reactor operation or during radioactive waste processing so as to deplete the coolant or liquid of a significant fraction of dose-causing radiocobalt is disclosed. The sequestration resin is configured to remove cobalt derived radioactivity in aqueous solutions and includes a sulfonic acid based polymer resin covalently coupled to an amine based ligand by a sulfonamide linkage. Alternatively, the sequestration resin includes a sulfonic acid based polymer resin ionically coupled to an amine based ligand that is altered at one terminus to contain a positively charged quaternary ammonium group.
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