Method for stabilization of heavy metals and odor control...

Details Method for stabilization of heavy metals and odor control... Method for stabilization of heavy metals and odor control...

2009-04-22

2010-06-15

Kreck, John (Department: 3672)

Hazardous or toxic waste destruction or containment

Containment

Solidification, vitrification, or cementation

C588S412000, C588S315000

Reexamination Certificate

active

07736291

ABSTRACT:
This invention provides a method for stabilization and treatment of heavy metal bearing materials and wastes subject to acid leaching tests or leach conditions and odor limits by addition of acid semi-soluble pulverized or fine particle DiCalcium Phosphate DiHydrate such that the leaching potential is inhibited to desired levels and odors are reduced to desired levels and the material or waste is free flowing, more permeable, less weight and permits immediate handling and disposal or reuse. The resultant material or waste after stabilization is deemed suitable for on-site reuse, off-site reuse or disposal as RCRA non-hazardous waste.

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