Incinerator_bottom_ash
Incinerator bottom ash
Agglomerated ashes produced in the lower part of an oven or a kiln
Incinerator bottom ash (IBA) is a form of ash produced in incineration facilities.[1][2] This material is discharged from the moving grate of municipal solid waste incinerators.[3][2] Once IBA is processed by removing contaminants, it can be used as an aggregate. Following processing, the material is termed IBA aggregate or processed IBA. The aggregate uses include:
Alternatively, if there are no local markets for the IBA the material is disposed of in a landfill.[2]