Process for producing fuel particles and fertile material...

Details Process for producing fuel particles and fertile material... Process for producing fuel particles and fertile material...

G - Physics

21

C

31/89

G21C 3/42 (2006.01) B01J 2/08 (2006.01) G21C 3/62 (2006.01)

Patent

CA 1080462

ABSTRACT OF THE DISCLOSURE The present invention provides a process for producing spherical particles selected from oxidic or carbide fuel particles and fertile material particles for nuclear reactors which comprises passing an aqueous solution containing at least one salt selected from uranium, thorium and plutonium salts and, for producing carbide particles also finely dispersed carbon, from a vibrating nozzle through an ammonia-containing gas zone and washing, drying and sintering or melting the particles so obtained, the improvement in which at least one monomeric hydrocarbon compound which is soluble in water or miscible with water, has at least one functional aldehyde, keto, ether, amino, imino, phenol, acid or acid-amide group, forms stable adducts in aqueous alkaline solution with uranium, thorium and plutonium cannot be washed out with water and gives the solution a viscosity of not more than 15 cp at 20°C is added to the aqueous solution.

269725

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