Method for fixating sludges and soils contaminated with mercury and other heavy metals
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United States of America Patent
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Jun 28, 2005
Grant Date -
Aug 8, 2002
app pub date -
Nov 28, 2001
filing date -
Nov 28, 2000
priority date (Note) -
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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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