Preparation of acid-deficient uranyl nitrate solutions

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United States of America Patent

PATENT NO 11858825
APP PUB NO 20210130181A1
SERIAL NO

17088784

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Abstract

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A solution of acid deficient uranyl nitrate has a formula of UO2(OH)y(NO3)2-y, where y ranges from 0.1 to 0.5. The solution is prepared by placing UxOz in aqueous nitric acid to produce a uranium solution, wherein x is 1 to 3 and z is 2 to 8; placing the uranium solution under a pressure greater than atmospheric pressure in a sealed reaction chamber; and heating the uranium solution to a desired temperature of between 150° C. and 250° C. by applying microwave energy to the uranium solution. The uranium solution is maintained at the desired temperature under a pressure of from 5 atmospheres to 40 atmospheres for a hold time of 15 minutes to 6 hours to produce the desired acid deficient uranyl nitrate.

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Patent OwnerAddress
X ENERGY LLC801 THOMPSON AVENUE SUITE 300 ROCKVILLE MD 20852

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Brown, Daniel Knoxville, US 101 2130
Linneen, Nicholas Knoxville, US 5 14

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