Recovering and recycling uranium used for production of molybdenum-99

Reilly, Sean Douglas; May, Iain; Copping, Roy; Dale, Gregory Edward

Recovering and recycling uranium used for production of molybdenum-99

Patent · Tue Dec 12 04:00:00 EST 2017

OSTI ID:1413208

Reilly, Sean Douglas; May, Iain; Copping, Roy; Dale, Gregory Edward

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.

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Research Organization:: Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)

Sponsoring Organization:: USDOE

DOE Contract Number:: AC52-06NA25396

Assignee:: Los Alamos National Security, LLC (Los Alamos, NM)

Patent Number(s):: 9,842,664

Application Number:: 14/038,424

OSTI ID:: 1413208

Country of Publication:: United States

Language:: English

References (18)

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