Neutron activation, gamma spectrometry and tritium measurements on Italian lithium aluminate and zirconate, as selection means of candidate breeders for fusion reactors
- ENEA, CRE Casaccia, Via Anguillarese 301, 00060 S.M. Galeria, Rome (IT)
This paper discusses measurements of impurities and tritium releasing characteristics of Lithium Aluminate and zirconate, prepared by ENEA in the frame of the European Program on Fusion Technology, performed, respectively, by neutron activation analysis (NAA) and out of pile annealing. The resulting tritium removing rate from the ceramics was interpreted in terms of surface desorption kinetics. With reference purge gas (He + 0.1% H{sub 2}), the predominant form of tritium, released by lithium aluminate is HT/T{sub 2}, HTO/T{sub 2}O by lithium zirconate. The latter was found to have a better performance in tritium release than aluminate. The presence of moisture was found to catalyze the tritium release at lower temperatures.
- OSTI ID:
- 5101976
- Report Number(s):
- CONF-910920--
- Journal Information:
- Fusion Technology; (United States), Journal Name: Fusion Technology; (United States) Vol. 21:2; ISSN 0748-1896; ISSN FUSTE
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
663610 -- Neutron Physics-- (1992-)
70 PLASMA PHYSICS AND FUSION TECHNOLOGY
700480* -- Fusion Technology-- Component Development
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
ACTIVATION ANALYSIS
ALKALI METAL COMPOUNDS
ALUMINIUM COMPOUNDS
ALUMINIUM OXIDES
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
BREEDING BLANKETS
CATALYSIS
CERAMICS
CHALCOGENIDES
CHEMICAL ANALYSIS
DESORPTION
ELEMENTS
FLUIDS
GAMMA SPECTROSCOPY
GASES
HELIUM
HYDROGEN
HYDROGEN ISOTOPES
IMPURITIES
ISOTOPES
ITALIAN ENEA
ITALIAN ORGANIZATIONS
LIGHT NUCLEI
LITHIUM COMPOUNDS
Ma
Materials Studies-- (1992-)
NATIONAL ORGANIZATIONS
NEUTRON ACTIVATION ANALYSIS
NONMETALS
NUCLEI
ODD-EVEN NUCLEI
OXIDES
OXYGEN COMPOUNDS
RADIOISOTOPES
RARE GASES
REACTOR COMPONENTS
RELEASE LIMITS
REMOVAL
SORPTION
SPECTROSCOPY
THERMONUCLEAR REACTORS
TRANSITION ELEMENT COMPOUNDS
TRITIUM
YEARS LIVING RADIOISOTOPES
ZIRCONIUM COMPOUNDS
ZIRCONIUM OXIDES