Wastes generated by manufacturing or industrial processes are called industrial wastes. Industrial wastes include garbage, dirt and gravel, scrap metals, trash, oil, solvents, chemicals, weed grass and trees, wood and similar wastes. Industrial waste may be solid, liquid or gases. Industrial waste may be toxic, ignitable, corrosive or reactive. They can cause air pollution, water pollution and soil pollution.
Following are some of the industries which produce industrial wastes:-