Fixation of radioactive materials in a glass matrix

Compositions – Radioactive compositions

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

65 301, 2504931, 252644, G21F 902

Patent

active

043626599

ABSTRACT:
This invention relates to radioactive materials which are fixed, stored, entrapped, encapsulated, or otherwise rendered immobile in a glass matrix for extremely long periods of time. Radioactive material such as radioactive wastes are incorporated into a glass matrix by a process of "molecular stuffing" a porous glass either with a radioactive gas which is tapered in the porous glass by dissolution during sintering of the pores of the glass, or with a salt solution containing radioactive material such as CsNO.sub.3, Sr(NO.sub.3), etc., or with a combination of both salt solution and radioactive gas, followed by drying and sintering of the pores of the glass whereby these radioactive materials upon chemical change to their oxides, excepting of course the noble gases which remain in molecular form, become a part of the integrated glass structure.
The resulting glass article may have the radioactive material dispersed essentially homogeneously throughout the glass article, or there may be a layer free of such radioactive waste material over the entire surface of the glass article. In either case such glass articles demonstrate an extremely slow diffusion of the encapsulated radioactive material to the surrounding area.

REFERENCES:
patent: 2106744 (1938-02-01), Hood et al.
patent: 2943059 (1960-06-01), Beck et al.
patent: 3114716 (1963-12-01), Quinby
patent: 3116131 (1963-12-01), Beerman
patent: 3132033 (1964-05-01), Tiede
patent: 3141852 (1964-07-01), Dressler et al.
patent: 3147225 (1964-09-01), Ryan
patent: 3167504 (1965-01-01), Haden et al.
patent: 3364148 (1968-01-01), Kivel
patent: 3603788 (1971-09-01), Miraldi
patent: 3640888 (1972-02-01), Baybarz et al.
patent: 3868170 (1975-02-01), De Luca
patent: 3971717 (1976-07-01), Hild et al.
patent: 4094809 (1978-06-01), Ross
patent: 4224177 (1980-09-01), Macedo et al.
patent: 4234456 (1980-11-01), Kamiya et al.
Sanyal, A. S. et al., "Fixation of High Level Atomic Waste in Glass for Ultimate Disposal", J. Scient. Ind. Res., vol. 33, No. 9, pp. 436-460, Sep. 1974.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Fixation of radioactive materials in a glass matrix does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Fixation of radioactive materials in a glass matrix, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Fixation of radioactive materials in a glass matrix will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-1902565

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.