Pyrometallurgy is also a branch of extractive subject field. It consists of the thermal treatment of minerals and scientific discipline ores and concentrates to motivate physical and chemical transformations among the materials to change recovery of valuable metals.Pyrometallurgical treatment may manufacture merchandise able to be sold-out like pure metals, or intermediate compounds or alloys, applicable as feed for added method. samples of parts extracted by pyrometallurgical processes embrace the oxides of less reactive parts like iron, copper, zinc.the branch of science and technology concerned with the use of high temperatures to extract and purify metals