Before 1856, iron oxide was employed to carry oxygen to the site of purification.
Before 1856, iron oxide was employed to carry oxygen to the site of purification. In that year, as an inventor was working on ways of improving cannons, it occurred to him that oxygen for refining could come directly from the air if wind was blown over the melted metal. FTP, identify this method, which was perfected by Alexander Holley, which eliminated the alloyed impurities in pig iron to produce steel, a process developed by the Englishman for whom it is named.
Before 1856, iron oxide was employed to carry oxygen to the site of purification.
the {Bessemer} process