Process for the stabilization of radioactive wastes

Details Process for the stabilization of radioactive wastes Process for the stabilization of radioactive wastes

Filed on

1982-07-29

Date issued

1984-08-07

Examiner

Kyle, Deborah L.

Patent Class

Compositions

SubClass

Radioactive compositions

Other Related Categories

G21F 916

Type

Patent

Status

active

Patent number

044642946

Description

ABSTRACT:
A process for the consolidation or stabilization of radioactive wastes in a glass matrix, wherein a glass smelt which has been enriched with the active material is solidified through cooling. The process is distinguished in that the maximally 1200.degree. C. hot gas smelt with the active waste within the final respository container is brought into contact prior to its cooling, at least along its surface, with a solid viscosity-increasing oxide up to at least a partial dissolution thereof. Among such oxides are aluminum oxide and zirconium oxide, wherein unsintered aluminum oxide is preferred.

REFERENCES:
patent: 4314909 (1982-02-01), Beall et al.
patent: 4377507 (1983-03-01), Pope et al.
Bauermeister et al., "Auflosungsverhalten Tonerdehaltiger Rohstoffe in der lasschmelze", Glastechn. Ber. 50(2), 1977, pp. 35-44.

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