Method for purifying plutonium hexafluoride
An effective method for purifying plutonium hexafluoride for the reprocessing of the spent nuclear fuel or for the recovery of fuel plutonium from the scrap by fluoride-volatility with high decontamination factors is presented using a selective adsorption of the fission products fluorides by letting the gas mixture flow through a layer of an adsorbent consisting of one or more of the specified compounds selected from hexafluoro sodium aluminate, zinc fluoride, nickel fluoride and ferric fluoride at an elevated temperature. The principle of the purification method is based on the fact that the fluorides of the fission products are easily adsorbed by the adsorbent but little plutonium hexafluoride is adsorbed. The fluorides of the fission products are easily removed from the adsorbent by heating and the recycling use of the adsorbent is possible.
- Assignee:
- Japan Atomic Energy Research Inst.
- Patent Number(s):
- US 4172114
- OSTI ID:
- 5768016
- Country of Publication:
- United States
- Language:
- English
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PLATINUM HEXAFLUORIDE AND METHOD OF FLUORINATING PLUTONIUM CONTAINING MIXTURES THERE-WITH
Related Subjects
11 NUCLEAR FUEL CYCLE AND FUEL MATERIALS
ACTINIDE COMPOUNDS
ADSORPTION
ALKALI METAL COMPOUNDS
ALUMINIUM COMPOUNDS
ENERGY SOURCES
FLUORIDES
FLUORINE COMPOUNDS
FUELS
HALIDES
HALOGEN COMPOUNDS
IRON COMPOUNDS
IRON FLUORIDES
NICKEL COMPOUNDS
NICKEL FLUORIDES
NUCLEAR FUELS
PLUTONIUM COMPOUNDS
PLUTONIUM FLUORIDES
PURIFICATION
REACTOR MATERIALS
REPROCESSING
SEPARATION PROCESSES
SODIUM COMPOUNDS
SORPTION
SORPTIVE PROPERTIES
SPENT FUELS
SURFACE PROPERTIES
TRANSITION ELEMENT COMPOUNDS
TRANSURANIUM COMPOUNDS
ZINC COMPOUNDS
ZINC FLUORIDES
ZINC HALIDES