Ion exchange regeneration and nuclide specific selective processes

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United States of America Patent

PATENT NO 9208915
APP PUB NO 20120088949A1
SERIAL NO

13267603

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Abstract

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A method of processing ion exchange resin radioactive waste, wherein the radioactive waste contains a plurality of fractions of radioactive waste based on density, which may include cation resin waste and anion resin waste, wherein at least one of the plurality of fractions comprises a total concentration of at least one radionuclide, including performing at least one of the following operations (i), (ii) or (iii): (i) separating the at least one of the plurality of fractions from the radioactive waste utilizing a moving freeboard; (ii) separating the radioactive waste into cation resin waste and anion resin waste; or (iii) removing at least a portion of the total concentration of the at least one radionuclide from: the radioactive waste; the at least one of the plurality of fractions separated by the moving freeboard; or at least one of the radioactive waste, the cation resin waste or the anion resin waste.

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Patent Owner(s)

Patent OwnerAddress
ELECTRIC POWER RESEARCH INSTITUTE INCPALO ALTO CA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bradbury, David Tresham, GB 30 547
Edwards, Lisa Maxine Granbury, US 3 9
Elder, George Richard Westbury-on-Severn, GB 9 75
Hussey, Dennis Frank Emerald Hills, US 3 7

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