Hazardous or toxic waste destruction or containment – Destruction or containment of radioactive waste – By fixation in stable solid media
Patent
1994-02-14
1995-10-10
Mai, Ngoclan
Hazardous or toxic waste destruction or containment
Destruction or containment of radioactive waste
By fixation in stable solid media
588 16, 264 69, 264257, 264259, 264263, G21F 900
Patent
active
054572630
ABSTRACT:
A method of producing a concrete container for storage of radioactive waste includes the steps of providing a double-walled mold with an inner and an outer wall, the mold being open at the top and having an interior for receiving the radioactive waste. The space between the inner and the outer walls is filled with fibers. Subsequently, a concrete mixture is filled into the space between the inner and the outer walls to a level below the uppermost layer of fibers. The interior is closed off by a cover plate. After placing more fibers onto the cover plate a concrete mixture is poured onto the fibers until they are completely covered. Alternatively, it is possible to place a cover plate onto the inner wall for closing of the interior after insertion of the radioactive waste, fill the space between the inner and the outer walls with fibers, and place additional fibers onto the cover plate. Subsequently, the concrete mixture is poured in one step into the space between the inner and the outer walls and onto the fibers until the fibers are covered completely.
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Becker Robert
Mai Ngoclan
Sopp Al
University of New Mexico
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