Dissolution process for ZrO.sub.2 -UO.sub.2 -CaO fuels
Abstract
The present invention provides an improved dissolution process for ZrO2 -UO2 -CaO-type pressurized water reactor fuels. The zirconium cladding is dissolved with hydrofluoric acid, immersing the ZrO2 -UO2 -CaO fuel wafers in the resulting zirconium-dissolver-product in the dissolver vessel, and nitric acid is added to the dissolver vessel to facilitate dissolution of the uranium from the ZrO2 -UO2 -CaO fuel wafers.
- Inventors:
- Issue Date:
- Research Org.:
- Idaho National Laboratory (INL), Idaho Falls, ID (United States)
- Sponsoring Org.:
- US Energy Research and Development Administration (ERDA)
- OSTI Identifier:
- 862582
- Patent Number(s):
- 3965237
- Application Number:
- 05/567216
- Assignee:
- United States of America as repesented by United States Energy (Washington, DC)
- Patent Classifications (CPCs):
-
C - CHEMISTRY C01 - INORGANIC CHEMISTRY C01G - COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
G - PHYSICS G21 - NUCLEAR PHYSICS G21C - NUCLEAR REACTORS
- DOE Contract Number:
- AT(10-1)-1375
- Resource Type:
- Patent
- Resource Relation:
- Patent File Date: 1975 Apr 11
- Country of Publication:
- United States
- Language:
- English
- Subject:
- dissolution; fuels; pressurized water reactor fuels; zirconium cladding; hydrofluoric acid; wafers; zirconium-dissolver-product; nitric acid; uranium; reactor fuel; dissolver vessel; solution process; /423/976/
Citation Formats
Paige, Bernice E. Dissolution process for ZrO.sub.2 -UO.sub.2 -CaO fuels. United States: N. p., 1976.
Web.
Paige, Bernice E. Dissolution process for ZrO.sub.2 -UO.sub.2 -CaO fuels. United States.
Paige, Bernice E. Thu .
"Dissolution process for ZrO.sub.2 -UO.sub.2 -CaO fuels". United States. https://www.osti.gov/servlets/purl/862582.
@article{osti_862582,
title = {Dissolution process for ZrO.sub.2 -UO.sub.2 -CaO fuels},
author = {Paige, Bernice E.},
abstractNote = {The present invention provides an improved dissolution process for ZrO2 -UO2 -CaO-type pressurized water reactor fuels. The zirconium cladding is dissolved with hydrofluoric acid, immersing the ZrO2 -UO2 -CaO fuel wafers in the resulting zirconium-dissolver-product in the dissolver vessel, and nitric acid is added to the dissolver vessel to facilitate dissolution of the uranium from the ZrO2 -UO2 -CaO fuel wafers.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Thu Jan 01 00:00:00 EST 1976},
month = {Thu Jan 01 00:00:00 EST 1976}
}