PREPARATION OF HIGH-DENSITY, COMPACTIBLE THORIUM OXIDE PARTICLES
Patent
·
OSTI ID:4791072
A method is given for preparing millimeter-size, highdensity thorium oxide particles suitable for fabrication into nuclear reactor feel elements by means of vibratory compaction. A thorium oxide gel containing 3.7 to 7 weight per cent residual volatile nitrate and water is prepared by drying a thorium oxide sol. The gel is then slowly heated to a temperature of about 450DEC, and the resulting gel fragments are calcined. The starting sol is prepared by repeated dispersion of oxalate-source thorium oxide in a nitrate system or by dispersion of steam-denitrated thorium oxide in water. (AEC)
- Research Organization:
- Originating Research Org. not identified
- NSA Number:
- NSA-16-016404
- Assignee:
- U.S. Atomic Energy Commission
- Patent Number(s):
- US 3035895
- OSTI ID:
- 4791072
- Country of Publication:
- United States
- Language:
- English
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