Compositions – Radioactive compositions
Patent
1983-05-17
1985-11-26
Padgett, Ben R.
Compositions
Radioactive compositions
252632, G21F 914, G21F 932
Patent
active
045553610
ABSTRACT:
Combustible, solid radioactive waste, such as paper, plastics, rubber, cloth and wood, are reduced in volume to an ash residue using pyrohydrolysis, a method which combines pyrolysis of the waste in a vessel at temperatures in the range of 500.degree. to 700.degree. C. and gasification of residual carbon with superheated steam. Pressures of 1.0 to 3.5 MPa are used with steam flows in the range 4 to 50 grams/second/cubic meter so that carbon containing components of the waste are removed as gaseous decomposition products in the form of carbon monoxide and hydrogen leaving an ash residue.
REFERENCES:
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patent: 4203863 (1980-05-01), Knotik et al.
patent: 4208298 (1980-06-01), Irie et al.
patent: 4235738 (1980-11-01), Knotik et al.
patent: 4276834 (1981-07-01), Bregulla et al.
patent: 4363780 (1982-12-01), Hannerz
patent: 4404165 (1983-09-01), Hesky et al.
Buckley Leo P.
Burrill Kenneth A.
Desjardins Conrad D.
Salter Robert S.
Atomic Energy of Canada Limited
Lemon Francis W.
Locker Howard J.
Padgett Ben R.
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