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Title: Method for reprocessing and separating spent nuclear fuels. [Patent application]

Abstract

Spent nuclear fuels, including actinide fuels, volatile and nonvolatile fission products, are reprocessed and separated in a molten metal solvent housed in a separation vessel made of a carbon-containing material. A first catalyst, which promotes the solubility and permeability of carbon in the metal solvent, is included. By increasing the solubility and permeability of the carbon in the solvent, the rate at which actinide oxides are reduced (carbothermic reduction) is greatly increased. A second catalyst, included to increase the affinity for nitrogen in the metal solvent, is added to increase the rate at which actinide nitrides form after carbothermic reduction is complete.

Inventors:
; ;
Issue Date:
OSTI Identifier:
6749349
Application Number:
ON: DE83002352
Assignee:
Dept. of Energy ERA-08-004269; EDB-83-001974
DOE Contract Number:  
W-7405-ENG-48
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
11 NUCLEAR FUEL CYCLE AND FUEL MATERIALS; SPENT FUELS; PYROCHEMICAL REPROCESSING; ACTINIDE COMPOUNDS; CARBON; CATALYSTS; LIQUID METALS; NITRIDES; NITROGEN; OXIDES; REDUCTION; TIN; CHALCOGENIDES; CHEMICAL REACTIONS; ELEMENTS; ENERGY SOURCES; FLUIDS; FUELS; LIQUIDS; MATERIALS; METALS; NITROGEN COMPOUNDS; NONMETALS; NUCLEAR FUELS; OXYGEN COMPOUNDS; PNICTIDES; REACTOR MATERIALS; REPROCESSING; SEPARATION PROCESSES 050800* -- Nuclear Fuels-- Spent Fuels Reprocessing

Citation Formats

Krikorian, O.H., Grens, J.Z., and Parrish, W.H. Sr. Method for reprocessing and separating spent nuclear fuels. [Patent application]. United States: N. p., 1982. Web.
Krikorian, O.H., Grens, J.Z., & Parrish, W.H. Sr. Method for reprocessing and separating spent nuclear fuels. [Patent application]. United States.
Krikorian, O.H., Grens, J.Z., and Parrish, W.H. Sr. Tue . "Method for reprocessing and separating spent nuclear fuels. [Patent application]". United States.
@article{osti_6749349,
title = {Method for reprocessing and separating spent nuclear fuels. [Patent application]},
author = {Krikorian, O.H. and Grens, J.Z. and Parrish, W.H. Sr.},
abstractNote = {Spent nuclear fuels, including actinide fuels, volatile and nonvolatile fission products, are reprocessed and separated in a molten metal solvent housed in a separation vessel made of a carbon-containing material. A first catalyst, which promotes the solubility and permeability of carbon in the metal solvent, is included. By increasing the solubility and permeability of the carbon in the solvent, the rate at which actinide oxides are reduced (carbothermic reduction) is greatly increased. A second catalyst, included to increase the affinity for nitrogen in the metal solvent, is added to increase the rate at which actinide nitrides form after carbothermic reduction is complete.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1982},
month = {1}
}