Drying of uranium-loaded cation exchange resin with microwave heating
The reference fuel kernel for recycle of /sup 233/U to HTGRs (High-Temperature Gas-Cooled Reactors) is prepared by loading carboxylic acid cation exchange resin with uranium and carbonizing it at controlled conditions. The wet, uranium-loaded resin must be dried to a water content of 10 to 16 wt percent prior to carbonization to minimize handling problems. Microwave heating was demonstrated to give controlled and reproducible dried resin in a vessel whose dimensions were safe for nuclear criticality (12.4 cm ID). A standard drying procedure was developed. The duration of microwave heating is controlled either by using an experimentally derived drying factor or by monitoring the amount of water removed from the resin. No significant difficulties were encountered in the operation of the dryer. Heat balance, microwave coupling efficiency, and minimum fluidization velocity were calculated and compared with experimental results or with the literature. Mixing of the resin during drying was required to ensure a uniformly dried product.
- Research Organization:
- Oak Ridge National Lab., Tenn. (USA)
- Sponsoring Organization:
- USDOE National Nuclear Security Administration (NNSA), Nuclear Criticality Safety Program (NCSP)
- DOE Contract Number:
- W-7405-ENG-26
- OSTI ID:
- 7325612
- Report Number(s):
- ORNL/TM-5508
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
050700* -- Nuclear Fuels-- Fuels Production & Properties
11 NUCLEAR FUEL CYCLE AND FUEL MATERIALS
38 RADIATION CHEMISTRY, RADIOCHEMISTRY, AND NUCLEAR CHEMISTRY
400702 -- Radiochemistry & Nuclear Chemistry-- Properties of Radioactive Materials
ACTINIDE ISOTOPES
ACTINIDE NUCLEI
ALPHA DECAY RADIOISOTOPES
DRYING
EVEN-ODD NUCLEI
FUEL CYCLE
FUEL PARTICLES
GAS COOLED REACTORS
GRAPHITE MODERATED REACTORS
HEAVY NUCLEI
HTGR TYPE REACTORS
ION EXCHANGE MATERIALS
ISOTOPES
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Nuclear Criticality Safety Program (NCSP)
ORGANIC COMPOUNDS
ORGANIC POLYMERS
PETROCHEMICALS
PETROLEUM PRODUCTS
POLYMERS
PRODUCTION
RADIOISOTOPES
REACTORS
RESINS
URANIUM 233
URANIUM ISOTOPES
YEARS LIVING RADIOISOTOPES
11 NUCLEAR FUEL CYCLE AND FUEL MATERIALS
38 RADIATION CHEMISTRY, RADIOCHEMISTRY, AND NUCLEAR CHEMISTRY
400702 -- Radiochemistry & Nuclear Chemistry-- Properties of Radioactive Materials
ACTINIDE ISOTOPES
ACTINIDE NUCLEI
ALPHA DECAY RADIOISOTOPES
DRYING
EVEN-ODD NUCLEI
FUEL CYCLE
FUEL PARTICLES
GAS COOLED REACTORS
GRAPHITE MODERATED REACTORS
HEAVY NUCLEI
HTGR TYPE REACTORS
ION EXCHANGE MATERIALS
ISOTOPES
NUCLEI
Nuclear Criticality Safety Program (NCSP)
ORGANIC COMPOUNDS
ORGANIC POLYMERS
PETROCHEMICALS
PETROLEUM PRODUCTS
POLYMERS
PRODUCTION
RADIOISOTOPES
REACTORS
RESINS
URANIUM 233
URANIUM ISOTOPES
YEARS LIVING RADIOISOTOPES