Patent ID: 7530939
Filing Date: 2009-05-12
Classification: A62D,B09B

Abstract:
1. A method of reducing the leachability and odor of heavy metal bearing material or waste in incinerator bottom ash, comprising contacting the heavy metal bearing material or waste in the incinerator bottom ash with pulverized or fine particle DiCalcium Phosphate DiHydrate (DCPDH) in an amount effective in reducing the leaching of heavy metals from the material or waste in the incinerator bottom ash to a level no more than non-hazardous levels as determined in an EPA TCLP test, performed on the stabilized material or waste in the incinerator bottom ash, as set forth in the Federal Register, vol. 55, no. 126, pp. 26985-26998 (Jun. 20, 1990), and odor in accordance with odor index by olfactory measure.