Compositions – Radioactive compositions
Patent
1984-07-03
1986-12-02
Miller, Edward A.
Compositions
Radioactive compositions
252628, 252633, 65 83, 65 84, 6537415, 2505061, 2505071, 220412, 220426, 220457, C03B 2504, C03B 4002, G21F 930
Patent
active
046263829
ABSTRACT:
The invention is directed to a method for making a glass block containing dioactive fission products in a metal vessel. The method includes the steps of placing the radioactive glass melt in the metal vessel and cooling the same therein. To minimize the formation of fissures in the glass block which is formed, the inner wall surfaces of the metal vessel are coated with a carbon material. The metal vessel is then placed in a thermally-insulating receptacle. The metal vessel is then filled with a radioactive glass melt emanating from a glass melting furnace and, after the filling step, is cooled slowly in the heat insulating receptacle. A container assembly for use in performing the method of the invention is also disclosed.
REFERENCES:
patent: 2246463 (1941-06-01), Garratt
patent: 3301650 (1967-01-01), Ward
patent: 4404129 (1983-09-01), Penberthy et al.
patent: 4476394 (1984-10-01), Muller et al.
Ewest Eckhart
Heimerl Wilfried
Stritzke Detlef
Caress Virginia B.
Deutsche Gesellschaft fur Wiederaufarbeitung von Kernbrennstoffe
Miller Edward A.
Ottesen Walter
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