Industrial sludge definition
Industrial sludge means the solid, semi-solid, or liquid residue generated during the treatment of industrial wastewater in a treatment works. Industrial sludge includes, but is not limited to, scum or solids removed in primary, secondary, or advanced wastewater treatment processes, and a material derived from industrial sludge. Industrial sludge does not include ash generated during the firing of industrial sludge in an industrial sludge incinerator or grit and screenings generated during preliminary treatment of industrial wastewater in a treatment works. Industrial sludge by definition does not include sludge covered under 40 CFR 503 or R.61-9.503, Water Pollution Control Permits.
Industrial sludge means any sludge produced by industrial activity.
Industrial sludge means the accumulated solids, residues, and precipitates generated as a result of industrial wastewater treatment.
More Definitions of Industrial sludge
Industrial sludge means any solid, semi-solid or liquid waste generated from an industrial wastewater treatment plant exclusive of the treatment effluent from the wastewater treatment plant.
Industrial sludge means the accumulated semiliquid suspension, settled, or dried residue of solids deposited as a by-product of an industrial process and which is claimed to have value in promoting plant growth or improving the soil.
Industrial sludge means any sludge produced by indus- trial activity.