What is bessemerisation?

Answer 1

in this process air is blown through molten copper matte in a Bessemer converter. any remaining products (e.g. FeS) is oxidized and removed as slag (FeSiO3). in the final smelting step cuprous oxide , which reacts with remaining cuprous sulphide to metallic copper. the product called blister copper is 97 -99 % pure Cu with entrapped bubbles of So2(g). bessemerisation is also used to convert pure iron to steel.