Patent ID: 9346087
Filing Date: 2016-05-24
CPC Classification: A62D,B09B,B24C

Claim Text:
1. A method for stabilizing a heavy metal in a heavy metal-containing paint residue to reduce leaching of the heavy metal therefrom when said paint residue is generated into paint waste and exposed to natural or induced leaching conditions, comprising: contacting a heavy metal-containing paint residue that is painted on a substrate with an integral mixture comprising paint removal blast media and a heavy metal stabilizing agent comprising steamed beef bone meal that is free-flowing, thereby forming a blast-cleaned surface and a waste mixture comprising heavy-metal stabilized paint waste, spent paint removal blast media and the stabilizing agent; wherein the stabilizing agent is present in an amount effective to reduce leaching of the heavy metal in the waste mixture to a non-hazardous level when the waste mixture is exposed to natural or induced leaching conditions; wherein the stabilizing agent and the paint removal blast media are not visually embedded or adhered to the blast-cleaned surface.