Operations Sterlite Copper A Unit of Vedanta
The ISA furnace is a vertical shaft type furnace completely lined with refractory into which wet copper is charged along with quartz and limestone into the molten bath In the process Copper Concentrate gets converted into two products Matte a mixture of sulphide containing copper and iron and Slag Iron Silicate The mixture of Matte and Slag is then taken to the Rotary Holding