Oxygen generators are used in dozens of industrial applications ranging from gold mining to aquaculture to life support. Normal ambient air is made up of 78% nitrogen, 21% oxygen and other trace gases like argon and CO2. In order to remove the nitrogen and trace gases an oxygen generator is used. The way an oxygen concentrator works is relatively simple. The machine pulls in air, and that air travels through a compressor. The compressed air goes into a sieve bed filter system that has two prongs. When the compressed air goes into the first sieve bed, nitrogen is removed while oxygen is forced into the tank. Oxygen generators separate oxygen from air so that the gas can be fed into industrial processes in real-time or stored in pressure tanks. Oxygen generators are used in dozens of industrial applications ranging from gold mining to aquaculture to life support. A oxygen generator is a device that releases oxygen via a chemical reaction. The oxygen source is usually an inorganic superoxide, chlorate, or perchlorate; ozonizes are a promising group of oxygen sources. The generators are usually ignited by a firing pin, and the chemical reaction is usually exothermic, making the generator a potential fire hazard. Potassium superoxide was used as an oxygen source on early manned missions of the Soviet space program, for firefighters, and for mine rescue.