Induction Heating in Fire Refining of Silver Gold
During a recent visit to the Rand Refinery in South Africa, the worlds largest precious metal refinery, it was observed that they rely solely on induction heating for the refining, melting and alloying of gold and silver bullion. The area in which several large induction furnaces were operating and containing several hundred kilograms of molten bullion was pleasantly cool and immaculately




































