Solid-State Storage of Radioactive Krypton in a Silica-Based Matrix

A solid silica‐based matrix containing 30 cm3 of Kr (STP)/cm3 of glass was prepared by sintering 96% SiO2 with 28% porosity under 140 MPa krypton pressure. The glass was heated to 850° or 900°C and held at temperature until the glass density was ∼2 g/cm3. At 420°C, only 0.7% of the krypton would be...

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Veröffentlicht in:	J. Am. Ceram. Soc.; (United States) 1982-01, Vol.65 (1), p.5-9
Hauptverfasser:	TINGEY, G. L., LYTLE, J. M., GRAY, W. J., WHEELER, K. R.
Format:	Artikel
Sprache:	eng
Schlagworte:	360601 > Other Materials-- Preparation & Manufacture 360603 > Materials-- Properties BETA DECAY RADIOISOTOPES BETA-MINUS DECAY RADIOISOTOPES CHALCOGENIDES DIFFUSION EVEN-ODD NUCLEI FABRICATION FISSION PRODUCTS HOURS LIVING RADIOISOTOPES INTERMEDIATE MASS NUCLEI ISOMERIC TRANSITION ISOTOPES ISOTOPES KRYPTON 85 KRYPTON ISOTOPES MANAGEMENT MANAGEMENT OF RADIOACTIVE AND NON-RADIOACTIVE WASTES FROM NUCLEAR FACILITIES MATERIALS MATERIALS SCIENCE NUCLEI OXIDES OXYGEN COMPOUNDS PHASE TRANSFORMATIONS PROCESSING RADIOACTIVE MATERIALS RADIOACTIVE WASTE PROCESSING RADIOACTIVE WASTE STORAGE RADIOISOTOPES SILICON COMPOUNDS SILICON OXIDES SINTERING SOLIDIFICATION STORAGE VITRIFICATION WASTE MANAGEMENT WASTE PROCESSING WASTE STORAGE YEARS LIVING RADIOISOTOPES 052002 > Nuclear Fuels-- Waste Disposal & Storage
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Beschreibung
Zusammenfassung:	A solid silica‐based matrix containing 30 cm3 of Kr (STP)/cm3 of glass was prepared by sintering 96% SiO2 with 28% porosity under 140 MPa krypton pressure. The glass was heated to 850° or 900°C and held at temperature until the glass density was ∼2 g/cm3. At 420°C, only 0.7% of the krypton would be released after one half‐life of 85Kr (10.7 years). At T>600°C, release of krypton is accompanied by crack development, comminution, and glass softening. Advantages and disadvantages of this technique for radioactive gas storage and diffusion data are presented.
ISSN:	0002-7820 1551-2916
DOI:	10.1111/j.1151-2916.1982.tb09912.x