METHOD FOR RECOVERING PLUTONIUM-CONTAINING SORBENTS OF ALKALI METAL FLUORIDES

FIELD: recovery of spent fuel. ^ SUBSTANCE: proposed method for recovering plutonium-containing sorbents of alkali metal fluorides is characterized in that sorbents are treated with water vapor or vapor-air mixture at temperature of 300 to 1000 °C. Hydrogen fluoride produced in the process is remove...

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Bibliographische Detailangaben
1. Verfasser:	SOKOLOVSKIJ JURIJ SERGEEVICH
Format:	Patent
Sprache:	eng ; rus
Schlagworte:	CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATERTREATMENT OR WASTE MANAGEMENT DECONTAMINATION ARRANGEMENTS THEREFOR GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS NUCLEAR ENGINEERING NUCLEAR PHYSICS NUCLEAR REACTORS PHYSICS PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULARRADIATION OR PARTICLE BOMBARDMENT TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE TREATING RADIOACTIVELY CONTAMINATED MATERIAL
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Beschreibung
Zusammenfassung:	FIELD: recovery of spent fuel. ^ SUBSTANCE: proposed method for recovering plutonium-containing sorbents of alkali metal fluorides is characterized in that sorbents are treated with water vapor or vapor-air mixture at temperature of 300 to 1000 °C. Hydrogen fluoride produced in the process is removed. After that plutonium dioxide is extracted from reaction products. ^ EFFECT: facilitated procedure, reduced cost. ^ 3 cl, 1 ex