That version of the story goes something like this: On July 1, 1937, Amelia Earhart and her navigator Fred Noonan departed from Lae, New Guinea in Earhartâs Lockheed Electra 10, on what was to be the longest portion of Earhartâs highly publicized round-the-world flight.
Before the coal is burned, it is pulverized to the fineness of talcum powder. It is then mixed with hot air and blown into the firebox of the boiler. Burning in suspension, the coal/air mixture provides the most complete combustion and maximum heat possible.
Simply put, coal-fired electricity generation is a five-step process: 1  Thermal coal (either black or brown) that has been pulverised to a fine powder is burned. 2  The resulting heat is used to turn water into steam.  The steam at very high pressure is then used to spin a turbine, connected to an electrical generator.