Extraction of Crude Metal from Concentrated Ore Class Notes
The above process is also known as Goldschmidt thermite process. Similarly, Fe 2 O 3 can be reduced to metallic iron by aluminium : Fe 2 O 3 + 2 Al ——> 2 Fe + Al 2 O 3 The molten iron produced by thermite process can be used to weld broken parts of heavy machinery of all kinds such as rail, girders, etc. This process is also called ...