Continuous radioiodine cleanup filter-efficiency monitor
Technical Report
·
OSTI ID:6680271
The purpose of this study was to develop an on-line radioiodine monitor to continuously measure the retention efficiency of radioiodine cleanup filters. The evaluated approach separates the radioiodine from short-lived noble gases using selective permeation, collects the separated iodine on a small charcoal bed and measures it on-line by gamma-ray spectrometry. The monitor was evaluated in the laboratory and at a reactor off-gas system; results indicate separation factors greater than 10/sup 6/ for Xe and Kr can be achieved and 5 x 10/sup -13/ ..mu..Ci /sup 131/I/cc can be detected with a daily averaging time.
- Research Organization:
- Exxon Nuclear Idaho Co., Inc., Idaho Falls (USA)
- DOE Contract Number:
- AC07-79ID01675
- OSTI ID:
- 6680271
- Report Number(s):
- ENICO-1121; ON: DE83004724
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
052001* -- Nuclear Fuels-- Waste Processing
12 MANAGEMENT OF RADIOACTIVE AND NON-RADIOACTIVE WASTES FROM NUCLEAR FACILITIES
ADSORPTION
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
DAYS LIVING RADIOISOTOPES
EFFICIENCY
ELEMENTS
EVEN-ODD NUCLEI
FILTERS
FLUIDS
GASES
HOURS LIVING RADIOISOTOPES
INTERMEDIATE MASS NUCLEI
IODINE 131
IODINE ISOTOPES
ISOMERIC TRANSITION ISOTOPES
ISOTOPES
KRYPTON 85
KRYPTON ISOTOPES
MANAGEMENT
MEASURING INSTRUMENTS
MONITORS
NONMETALS
NUCLEI
ODD-EVEN NUCLEI
OFF-GAS SYSTEMS
ON-LINE MEASUREMENT SYSTEMS
ON-LINE SYSTEMS
PROCESSING
RADIOACTIVE WASTE PROCESSING
RADIOISOTOPES
RARE GASES
SORPTION
WASTE MANAGEMENT
WASTE PROCESSING
XENON
YEARS LIVING RADIOISOTOPES
12 MANAGEMENT OF RADIOACTIVE AND NON-RADIOACTIVE WASTES FROM NUCLEAR FACILITIES
ADSORPTION
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
DAYS LIVING RADIOISOTOPES
EFFICIENCY
ELEMENTS
EVEN-ODD NUCLEI
FILTERS
FLUIDS
GASES
HOURS LIVING RADIOISOTOPES
INTERMEDIATE MASS NUCLEI
IODINE 131
IODINE ISOTOPES
ISOMERIC TRANSITION ISOTOPES
ISOTOPES
KRYPTON 85
KRYPTON ISOTOPES
MANAGEMENT
MEASURING INSTRUMENTS
MONITORS
NONMETALS
NUCLEI
ODD-EVEN NUCLEI
OFF-GAS SYSTEMS
ON-LINE MEASUREMENT SYSTEMS
ON-LINE SYSTEMS
PROCESSING
RADIOACTIVE WASTE PROCESSING
RADIOISOTOPES
RARE GASES
SORPTION
WASTE MANAGEMENT
WASTE PROCESSING
XENON
YEARS LIVING RADIOISOTOPES