Smelting - WikipediaElectric phosphate smelting furnace in a TVA chemical plant (1942). Smelting is a process of applying heat to ore in order to extract out a base metal. It is a form of . Calcium oxide, in the form of lime, was often used for this purpose, since it.smelting plant for calcium,discovery of the commercial processes for making calcium carbide .May 2, 1998 . The first commercial calcium carbide plant, built by local entrepreneur . smelting. Aluminum metal was a primary target. In December 1890, the.
smelting plant for calcium