- If landfills aren't available, incineration is the next option for garbage disposal.
- First, garbage is loaded onto a conveyor belt leading to an incinerator.
- Waste is burned in the primary furnace which can burn up to 1000 degrees centigrade.
- The vapors and ash from the primary furnace enter the secondary furnace.
- The secondary furnace burns the ash and vapors up to 1300 degrees centigrade.
- The ash is collected and sent to a landfill, the vapors the gases are sent to scrubbers, which removes oxides and heavy metals.
- Dirty water is removed and sent to a wastewater treatment facility.
- The scrubbed gas is released as clean air and carbon dioxide.