Method for stabilization of heavy metals and odor control with dicalcium phosphate dihydrate powder
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United States of America Patent
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Jun 15, 2010
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N/A
app pub date -
Apr 22, 2009
filing date -
Mar 25, 2006
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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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