IODINE ADSORPTION IN FIXED BED ADSORBER TESTS
Conference
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OSTI ID:1491394
- Idaho National Laboratory
I-129 emissions control is needed for used fuel aqueous reprocessing. I-129 capture has been studied for 40 years; Two sorbents tested in recent years – Silver Zeolite (AgZ) and silver-functionalized Aerogel (AGAero). Results show needed iodine adsorption efficiencies are possible, DFs up to10,000. Mass transfer zone (MTZ) depths ~2 in. for I2 and 8 in. for CH3I, but increase over time; deeper sorbent beds needed for efficient CH3I capture. Ag utilization between 10-70% for most test durations; lower for higher NOx. Iodine sorption capacities: ~10 g/100 AgZ and ~20 g/100 g AgAero; lower for high NOx. Nearly all adsorbed I was physisorbed iodine for I2 and CH3I.
- Research Organization:
- Idaho National Laboratory (INL), Idaho Falls, ID (United States)
- Sponsoring Organization:
- USDOE Office of Nuclear Energy (NE)
- DOE Contract Number:
- AC07-05ID14517
- OSTI ID:
- 1491394
- Report Number(s):
- INL/CON-16-40189-Rev000
- Country of Publication:
- United States
- Language:
- English
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