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- W254158097 abstract "An aqueous solution of ARE UF/sub 4/-NaF-ZrF/sub 4/ fuel, suitable for solvent extraction, may be obtained by refaction with dilute Al(NO/sub 3/)/sub 3/- HNO/sub 3/ solution under reflux conditions. Optimum proportions are five parts of of water to one part ARE fuel by weight. The resultant U concentration is 4.3 g per liter, if the fuel is undiluted with anv flush material. Batch countercurrent runs have shown the feasibility of recovering and decontamimating U from the AlRE fuel by solvent extraction. U losses of less than 0.0l% in the fission product stream and decontamimation factors of over 101 were obtained using a five % solution of TBP in Amsco as the solvent. Tests have shown that dissolution of the ARE fuel at boiling temperature will cause considerable corrosion to either type 309 or type 341 stainless steel. The corrosion rate may be tolerable, however, on a non-routine basis in vessels which have already been exposed to corrosive HNO/sub 3/. Discussions have resulted in the conclusion that processing of ARE fuel (70 kg U/sup 235/ per batch) is possible in the present ORNL Metal Recovery Plant without major equipment additions. (auth)" @default.
- W254158097 created "2016-06-24" @default.
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- W254158097 date "1953-05-27" @default.
- W254158097 modified "2023-09-24" @default.
- W254158097 title "AIRCRAFT NUCLEAR PROPULSION CHEMICAL PROCESSING. Quarterly Report for February 10, 1953 to May 10, 1953" @default.
- W254158097 doi "https://doi.org/10.2172/4315939" @default.
- W254158097 hasPublicationYear "1953" @default.
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