Hazardous or toxic waste destruction or containment – Containment – Solidification – vitrification – or cementation
Reexamination Certificate
2005-06-28
2005-06-28
Hendrickson, Stuart L. (Department: 1754)
Hazardous or toxic waste destruction or containment
Containment
Solidification, vitrification, or cementation
C588S253000, C423S001000, C423S048000, C405S128100, C405S128150, C405S128500, C405S125000, C405S128700, C405S128750, C405S128800
Reexamination Certificate
active
06911570
ABSTRACT:
The invention relates to a method, composition and apparatus for stabilizing mercury and other heavy metals present in a particulate material such that the metals will not leach from the particulate material. The method generally involves the application of a metal reagent, a sulfur-containing compound, and the addition of oxygen to the particulate material, either through agitation, sparging or the addition of an oxygen-containing compound.
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Broderick Thomas E.
Carlson Allan L.
Roth Rachel L.
ADA Technologies, Inc.
Hendrickson Stuart L.
Lish Peter J
Ross P.C. Sheridan
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