Improvements in or relating to solvent extraction of uranyl nitrate solutions

836,691. Treatment of irradiated uranium. UNITED KINGDOM ATOMIC ENERGY AUTHORITY. Jan. 30, 1952 [Jan. 31, 1951], No. 2416/51. Class 39(4). An aqueous uranium nitrate solution derived from neutron-irradiated uranium is tested for suitability for organic solvent extraction by agitating a sample with t...

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Bibliographische Detailangaben
1. Verfasser:	SHULMAN NATHAN
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATERTREATMENT OR WASTE MANAGEMENT FERROUS OR NON-FERROUS ALLOYS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS METALLURGY NUCLEAR ENGINEERING NUCLEAR PHYSICS NUCLEAR REACTORS PHYSICS PRETREATMENT OF RAW MATERIALS PRODUCTION AND REFINING OF METALS TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Zusammenfassung:	836,691. Treatment of irradiated uranium. UNITED KINGDOM ATOMIC ENERGY AUTHORITY. Jan. 30, 1952 [Jan. 31, 1951], No. 2416/51. Class 39(4). An aqueous uranium nitrate solution derived from neutron-irradiated uranium is tested for suitability for organic solvent extraction by agitating a sample with the organic solvent in a vessel having a transparent wall, allowing to stand, and observing the conditions at the interface. Agitation is effected by slowly reversing and returning the vessel for half a minute. The mixing and standing are repeated until two consecutive tests give the same effect and this is taken as an indication of the behaviour in a countercurrent extraction column. The organic solvent may be the dibutyl ether of diethylene glycol which is used to extract plutonium and uranium, leaving fission products in the aqueous phase. Emulsification at the interface is caused by the presence of silica and may be avoided by boiling the aqueous solution for 12 hours or more.