Method for the destruction of chemically stable waste

Details Method for the destruction of chemically stable waste Method for the destruction of chemically stable waste

1989-04-11

1990-12-25

Miller, Edward A.

Compositions

Radioactive compositions

Nuclear reactor fuel

252630, 252631, 110238, 110246, 110346, 21912148, G21F 908

Patent

active

049800922

ABSTRACT:
A method for the destruction of chemical stable waste by pyrolysis whereby heat is applied to the waste using at least one plasma torch formed of non-transferred arc plasma type. The waste generated inside a duct having an end orifice flows upward passing the orifice and toward the nozzle of the plasma torch, wherein the axis of the nozzle of the plasma torch and the axis of the orifice are substantially collinear. Gaseous and/or liquid waste products resulting from the heating step are subjected to expansion and combustion in the combustion chamber whereby gaseous products resulting from combustion and expansion are quenched and then washed.

REFERENCES:
patent: 3841239 (1974-10-01), Nakamura et al.
patent: 4438706 (1984-03-01), Boday et al.
patent: 4469508 (1984-09-01), Amouroux et al.
patent: 4479443 (1984-10-01), Faldt et al.
patent: 4509434 (1985-04-01), Boday et al.
patent: 4770109 (1988-09-01), Schlienger
patent: 4831944 (1989-05-01), Durand et al.
Groo, Jean-Paul, Revue Generale de L'Electricite, No. 8, (Sep. 1987), pp. 156 to 162.

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