Thoria-fuel irradiation. Program to irradiate 80% ThO/sub 2//20% UO/sub 2/ ceramic pellets at the Savannah River Plant
This report describes the fabrication of proliferation-resistant thorium oxide/uranium oxide ceramic fuel pellets and preparations at the Savannah River Laboratory (SRL) to irradiate those materials. The materials were fabricated in order to study head end process steps (decladding, tritium removal, and dissolution) which would be required for an irradiated proliferation-resistant thorium based fuel. The thorium based materials were also to be studied to determine their ability to withstand average commercial light water reactor (LWR) irradiation conditions. This program was a portion of the Thorium Fuel Cycle Technology (TFCT) Program, and was coordinated by the Oak Ridge National Laboratory (ORNL) under the Consolidated Fuel Reprocessing Program (CFRP). The fuel materials were to be irradiated in a Savannah River Plant (SRP) reactor at conditions simulating the heat ratings and burnup of a commercial LWR. The program was terminated due to a de-emphasis of the TFCT Program, following completion of the fabrication of the fuel and the modified assemblies which were to be used in the SRP reactor. The reactor grade ceramic pellets were fabricated for SRL by Battelle, Pacific Northwest Laboratories. Five fuel types were prepared: 100% UO/sub 2/ pellets (control); 80% ThO/sub 2//20% UO/sub 2/ pellets; approximately 80% ThO/sub 2//20% UO/sub 2/ + 0.25 CaO (dissolution aid) pellets; 100% UO/sub 2/ hybrid pellets (prepared from sol-gel microspheres); and 100% ThO/sub 2/ pellets (control). All of the fuel materials were transferred to SRL from PNL and were stored pending a subsequent reactivation of the TFCT Programs.
- Research Organization:
- Du Pont de Nemours (E.I.) and Co., Aiken, SC (United States). Savannah River Lab.
- DOE Contract Number:
- AC09-76SR00001
- OSTI ID:
- 5492070
- Report Number(s):
- DP-1605; ON: DE82008955; TRN: 82-011478
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
THORIUM OXIDES
FABRICATION
URANIUM DIOXIDE
MIXED OXIDE FUELS
RESEARCH PROGRAMS
SAVANNAH RIVER PLANT
ACTINIDE COMPOUNDS
CHALCOGENIDES
FUELS
NATIONAL ORGANIZATIONS
OXIDES
OXYGEN COMPOUNDS
SOLID FUELS
THORIUM COMPOUNDS
URANIUM COMPOUNDS
URANIUM OXIDES
US AEC
US DOE
US ERDA
US ORGANIZATIONS
050700* - Nuclear Fuels- Fuels Production & Properties
360201 - Ceramics
Cermets
& Refractories- Preparation & Fabrication