EAST CHICAGO -- Ispat Inland Inc.'s No. 7 blast furnace was featured as the largest blast furnace in North America on The History Channel's "Modern Marvels" program Wednesday, but the ...

This article was originally published with the title “ The Modern American Blast Furnace ” in SA Supplements Vol. 64 No. 1659supp (October 1907), p. 242 doi:10. ...

Modern blast furnaces can produce up to 400 tons of steel per hour, operating continuously for years between major maintenance periods.

Whether that furnace is the charcoal fire of an Iron Age craftsman or a modern blast furnace, the fundamental process remains the same, even if the technology around it has been refined.

Around 70% of the world's steel is currently produced in high-emissions blast furnaces. A retrofit thermochemical redox system could slash emissions to a tiny fraction of current levels, say ...

Whether that furnace is the charcoal fire of an Iron Age craftsman or a modern blast furnace, the fundamental process remains the same, even if the technology around it has been refined.