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Hydrogen peroxide modified sodium titanates with improved sorption capabilities

United States Patent

February 24, 2009
View the Complete Patent at the US Patent & Trademark Office
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The sorption capabilities (e.g., kinetics, selectivity, capacity) of the baseline monosodium titanate (MST) sorbent material currently being used to sequester Sr-90 and alpha-emitting radioisotopes at the Savannah River Site are significantly improved when treated with hydrogen peroxide; either during the original synthesis of MST, or, as a post-treatment step after the MST has been synthesized. It is expected that these peroxide-modified MST sorbent materials will have significantly improved sorption capabilities for non-radioactive cations found in industrial processes and waste streams.
Nyman; May D. (Albuquerque, NM), Hobbs; David T. (North Augusta, SC)
Sandia Corporaion (Albuquerque, NM)
11/ 169,859
June 29, 2005
FEDERALLY SPONSORED RESEARCH The United States Government has rights in this invention pursuant to Department of Energy Contract No. DE-AC04-94AL85000 with Sandia Corporation.