Abstract: A spent fuel reprocessing method contacts an aqueous solution containing Technetium(V) and uranyl with an acidic solution comprising hydroxylamine hydrochloride or acetohydroxamic acid to reduce Tc(V) to Tc(II, and then extracts the uranyl with an organic phase, leaving technetium(II) in aqueous solution.
Type:
Grant
Filed:
November 19, 2008
Date of Patent:
December 21, 2010
Assignee:
The Board of Regents of the Nevada System of Higher Education of the University of Nevada, Las Vegas
Inventors:
Cynthia-May S. Gong, Frederic Poineau, Kenneth R. Czerwinski