PREPARATION OF REFRACTORY OXIDE MICROSPHERE
Abstract
A method is described of preparing thorium oxide in the form of fused spherical particles about 1 to 2 microns in diameter. A combustible organic solution of thorium nitrate containing additive metal values is dispersed into a reflected, oxygen-fed flame at a temperature above the melting point of the resulting oxide. The metal additive is aluminum at a proportion such as to provide 1 to 10 weight per cent aluminum oxide in the product, silicon at the same proportion, or beryllium at a proportion of 12 to 25 weight per cent beryllium oxide in the product. A minor proportion of uranium values may also be provided in the solution. The metal additive lowers the oxide melting point and allows fusion and sphere formation in conventional equipment. The product particles are suitable for use in thorium oxide slurries for nuclear reactors. (AEC)
- Inventors:
- Issue Date:
- OSTI Identifier:
- 4638033
- Patent Number(s):
- 3105052
- Assignee:
- U.S. Atomic Energy Commission
- Patent Classifications (CPCs):
-
Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE Y02E - REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
C - CHEMISTRY C04 - CEMENTS C04B - LIME, MAGNESIA
- NSA Number:
- NSA-17-035850
- Resource Type:
- Patent
- Resource Relation:
- Other Information: Orig. Receipt Date: 31-DEC-63
- Country of Publication:
- United States
- Language:
- English
- Subject:
- CHEMISTRY; ALUMINUM; ALUMINUM OXIDES; BERYLLIUM; BERYLLIUM OXIDES; CHEMICAL REACTIONS; COMBUSTION; GRAIN SIZE; MELTING POINTS; METALS; NUCLEAR REACTIONS; OXIDES; OXYGEN; PRODUCTION; QUANTITY RATIO; REACTORS; REFRACTORIES; SILICON; SLURRIES; SOLUTIONS; THORIUM NITRATES; THORIUM OXIDES; URANIUM; USES
Citation Formats
Haws, Jr, C C. PREPARATION OF REFRACTORY OXIDE MICROSPHERE. United States: N. p., 1963.
Web.
Haws, Jr, C C. PREPARATION OF REFRACTORY OXIDE MICROSPHERE. United States.
Haws, Jr, C C. Tue .
"PREPARATION OF REFRACTORY OXIDE MICROSPHERE". United States.
@article{osti_4638033,
title = {PREPARATION OF REFRACTORY OXIDE MICROSPHERE},
author = {Haws, Jr, C C},
abstractNote = {A method is described of preparing thorium oxide in the form of fused spherical particles about 1 to 2 microns in diameter. A combustible organic solution of thorium nitrate containing additive metal values is dispersed into a reflected, oxygen-fed flame at a temperature above the melting point of the resulting oxide. The metal additive is aluminum at a proportion such as to provide 1 to 10 weight per cent aluminum oxide in the product, silicon at the same proportion, or beryllium at a proportion of 12 to 25 weight per cent beryllium oxide in the product. A minor proportion of uranium values may also be provided in the solution. The metal additive lowers the oxide melting point and allows fusion and sphere formation in conventional equipment. The product particles are suitable for use in thorium oxide slurries for nuclear reactors. (AEC)},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1963},
month = {9}
}