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Vitrification of ion exchange resins

United States Patent

December 11, 2001
View the Complete Patent at the US Patent & Trademark Office
Savannah River National Laboratory - Visit the Technology Transfer Website
The present invention relates to vitrification of ion exchange resins that have become loaded with hazardous or radioactive wastes, in a way that produces a homogenous and durable waste form and reduces the disposal volume of the resin. The methods of the present invention involve directly adding borosilicate glass formers and an oxidizer to the ion exchange resin and heating the mixture at sufficient temperature to produce homogeneous glass.
Cicero-Herman; Connie A. (Aiken, SC), Workman; Rhonda Jackson (North Augusta, SC)
Westinghouse Savannah River Company (Aiken, SC)
09/ 354,864
July 16, 1999
The U.S. Government has rights in this invention pursuant to contract no. DE-AC09-89-SRI 8035 between the U.S. Department of Energy and Westinghouse Savannah River Company.