Copper Mining Equipment Chile,Portable Screening Plant ...
Copper Mining Equipment. Melting for Coarse Metal, to dissolve the Oxide of iron as a Silicate. Ithas been seen that the 1st process has had the effect of converting a large proportion of the sulphuret of iron present in the pyrites into oxide of iron, which it is the object of the present process to remove by causing it to combine with silica, to form a compound capable of being melted and ...