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RECOVERING AND RECYCLING URANIUM USED FOR PRODUCTION OF MOLYBDENUM-99

United States Patent Application

20150085963
A1
View the Complete Application at the US Patent & Trademark Office
Los Alamos National Laboratory - Visit the Technology Transfer Division Website
A processes for recycling uranium that has been used for the production of molybdenum-99 involves irradiating a solution of uranium suitable for forming fission products including molybdenum-99, conditioning the irradiated solution to one suitable for inducing the formation of crystals of uranyl nitrate hydrates, then forming the crystals and a supernatant and then separating the crystals from the supernatant, thus using the crystals as a source of uranium for recycle. Molybdenum-99 is recovered from the supernatant using an adsorbent such as alumina. Another process involves irradiation of a solid target comprising uranium, forming an acidic solution from the irradiated target suitable for inducing the formation of crystals of uranyl nitrate hydrates, then forming the crystals and a supernatant and then separating the crystals from the supernatant, thus using the crystals as a source of uranium for recycle. Molybdenum-99 is recovered from the supernatant using an adsorbent such as alumina.
REILLY, Sean Douglas (Los Alamos, NM), MAY, Iain (Los Alamos, NM), COPPING, Roy (Santa Fe, NM), Dale, Gregory Edward (Los Alamos, MN)
Los Alamos National Security, LLC (Los Alamos NM)
14/ 038,424
September 26, 2013
STATEMENT REGARDING FEDERAL RIGHTS [0001] This invention was made with government support under Contract No. DE-AC52-06NA25396 awarded by the U.S. Department of Energy. The government has certain rights in the invention.