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Title: Pyrochemical recovery of plutonium fluoride reduction slag

Abstract

A process was developed for the pyrochemical recovery of plutonium from residues resulting from the PuF/sub 4/ reduction process. The process involves crushing the CaF/sub 2/ slag and dissolving it at 800/sup 0/C in a CaCl/sub 2/ solvent. The plutonium, which exists either as finely divided metal or as incompletely reduced fluoride salt, is reduced to metal and/or allowed to coalesce as a massive button in the bottom of the reaction crucible. The recovery of plutonium in a 1-day cycle averaged 96%; all of the resulting residues were discardable.

Authors:
;
Publication Date:
Research Org.:
Los Alamos National Lab., NM (USA)
OSTI Identifier:
6058055
Report Number(s):
LA-9655-MS
ON: DE83014802
DOE Contract Number:  
W-7405-ENG-36
Resource Type:
Technical Report
Country of Publication:
United States
Language:
English
Subject:
12 MANAGEMENT OF RADIOACTIVE AND NON-RADIOACTIVE WASTES FROM NUCLEAR FACILITIES; 11 NUCLEAR FUEL CYCLE AND FUEL MATERIALS; PLUTONIUM; RECOVERY; PLUTONIUM FLUORIDES; REDUCTION; SLAGS; ACTINIDE COMPOUNDS; ACTINIDES; CHEMICAL REACTIONS; ELEMENTS; FLUORIDES; FLUORINE COMPOUNDS; HALIDES; HALOGEN COMPOUNDS; METALS; PLUTONIUM COMPOUNDS; TRANSURANIUM COMPOUNDS; TRANSURANIUM ELEMENTS; 052001* - Nuclear Fuels- Waste Processing; 050700 - Nuclear Fuels- Fuels Production & Properties

Citation Formats

Christensen, D C, and Rayburn, J A. Pyrochemical recovery of plutonium fluoride reduction slag. United States: N. p., 1983. Web.
Christensen, D C, & Rayburn, J A. Pyrochemical recovery of plutonium fluoride reduction slag. United States.
Christensen, D C, and Rayburn, J A. 1983. "Pyrochemical recovery of plutonium fluoride reduction slag". United States.
@article{osti_6058055,
title = {Pyrochemical recovery of plutonium fluoride reduction slag},
author = {Christensen, D C and Rayburn, J A},
abstractNote = {A process was developed for the pyrochemical recovery of plutonium from residues resulting from the PuF/sub 4/ reduction process. The process involves crushing the CaF/sub 2/ slag and dissolving it at 800/sup 0/C in a CaCl/sub 2/ solvent. The plutonium, which exists either as finely divided metal or as incompletely reduced fluoride salt, is reduced to metal and/or allowed to coalesce as a massive button in the bottom of the reaction crucible. The recovery of plutonium in a 1-day cycle averaged 96%; all of the resulting residues were discardable.},
doi = {},
url = {https://www.osti.gov/biblio/6058055}, journal = {},
number = ,
volume = ,
place = {United States},
year = {Fri Jul 01 00:00:00 EDT 1983},
month = {Fri Jul 01 00:00:00 EDT 1983}
}

Technical Report:
Other availability
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