Hazardous or toxic waste destruction or containment – Destruction or containment of radioactive waste – Chemical conversion to a stable solid for disposal
Patent
1996-07-15
1999-06-01
Mai, Ngoclan
Hazardous or toxic waste destruction or containment
Destruction or containment of radioactive waste
Chemical conversion to a stable solid for disposal
588205, 588213, 588226, 588228, 110237, 110346, G21F 900
Patent
active
059096543
ABSTRACT:
A method and apparatus for the volume reduction and processing of solid organic waste, in particular ion exchange media from nuclear facilities containing sulfur or chlorine. A method and apparatus for the volume reduction of nuclear waste is disclosed comprising: subjecting the waste to pyrolysis in a pyrolysis vessel, and gasifying the solid pyrolysis residue in a steam reformer to remove residual carbon. A further method and apparatus for the processing of nuclear waste is disclosed comprising: grinding the nuclear waste, addition of iron powder, pyrolysis, gasification of the pyrolysis residue, and combustion in a submerged bed heater. An evaporator cools gases from the submerged bed heater. Off gases from the evaporator are treated by a fiber bed scrubber to remove acids.
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SITE Technology Profile--Emerging Technology Program, "Institute of Gas Technology (Fluidized-Bed Cyclonic Agglomerating Combustor)", pp. 310-311, Nov. 1993.
Hesbol Rolf
Mason J. Bradley
Mai Ngoclan
Strobert Andrew F.
LandOfFree
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