The Bessemer process pumps air through the iron to remove impurities. shropshirehistory.com. ... or Basic Oxygen Steelmaking, in which pure oxygen is pumped through the iron.

DURING and since the war the position in this country with regard to the supply of basic phosphatic fertilisers has undergone a radical change. On one hand, the ousting of the older Bessemer ...

The Bessemer process was fast: blasting the melt for 20 minutes removed nearly all the impurities, whereas the open hearth converter operated for 8-9 hours per batch, allowing chemical analysis of ...

1856: Englishman Henry Bessemer receives a U.S. patent for a new steelmaking process that revolutionizes the industry. The Bessemer converter was a squat, ugly, clay-lined crucible that simplified ...

Every undergraduate reading metallurgy is told the story of the Bessemer Convertor. Sir Henry Bessemer (1813-1898) announced the discovery of his new process in 1856. Steelmakers enthusiastically ...

The Bessemer process is three times faster than the open-hearth, and correspondingly cheaper; but since the quality of the steel in a Bessemer “heat” must be judged by fallible human eyes, ...

Process innovations often change the game and allow upstarts to unseat incumbents. The Bessemer process did this for the steel industry, here's a company that is trying to do this for titanium.

1856: Englishman Henry Bessemer receives a U.S. patent for a new steel-making process that revolutionizes the industry. The Bessemer converter was a squat, ugly, clay-lined crucible that ...