Hazardous or toxic waste destruction or containment – Destruction or containment of radioactive waste – By fixation in stable solid media
Reexamination Certificate
2011-08-09
2011-08-09
Lorengo, Jerry (Department: 1731)
Hazardous or toxic waste destruction or containment
Destruction or containment of radioactive waste
By fixation in stable solid media
C588S002000, C588S009000, C588S014000, C588S015000, C588S252000, C210S679000, C210S662000
Reexamination Certificate
active
07994379
ABSTRACT:
A radioactive containment composition may be created for containing radionuclides from a radioactive material by mixing a clay mineral with water. This mixture may form an aqueous clay suspension. The mixture can be refined by filtering to remove coarse material. The aqueous clay suspension may be applied to a radioactive material, allowing the radionuclides to be exchanged with cations in the aqueous clay suspension. The resulting aqueous slurry, a silver-based solution may be added to produce a suspension. The suspension may be collected, heated and analyzed.
REFERENCES:
patent: 6372333 (2002-04-01), Sugiyama et al.
Lacy, WJ, “Decontamination of radioactively contaminated water by slurrying with clay”. Industrial & Engineering Chemistry, 1954.
Elmore Stephen C.
Krekeler Mark P. S.
Stoll Danielle
Tselepis Cynthia M.
George Mason Intellectual Properties, Inc.
Grossman David
Lorengo Jerry
Rodriguez Edgar G.
Smith Jennifer A
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