Waste fuel can be delivered by trucks while an under road culvert housing a conveyor can also directly transfer fuel from the Genesis Xero Waste facility. The residue waste fuel is first weighed then constantly mixed and fed by conveyors to the combustion chambers where it is burned at high temperatures and the heat used to form steam. All emptied trucks are also weighed as they leave the TNG facility in order to precisely record the fuel which has been used. Inside the plant the tipping Hall is kept at negative air pressure and the fuel waste is tipped into a large concrete bunker.
Burning the fuel waste at high temperatures under controlled conditions unlocks the energy. At this point waste becomes fuel. It typically burns at 850 degrees Celsius for at least two seconds.
Burning of the fuel creates the heat to produce power. It turns water into superheated steam which drives a high-pressure turbine to power an electric generator. Once the steam has done its job turning the turbine, it is condensed and returned to the boiler.
All that's left from the combustion flow process is metal and ash. These are moved away on conveyor belts and the metal is separated by magnets and collected for recycling. The ash is taken away for analysis and disposal at a licensed facility.
The hot gases from the combustion process are treated to remove pollutants. Lime is used to absorb acid gases, activated carbon to fix combustion by-products and ammonia to remove oxides of nitrogen. Advanced filtering systems also capture the ash and small particles which would otherwise go up the chimney.