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For blast furnaces, direct reduction corresponds to the reduction of oxides by the carbon in the coke. However, in practice, direct reduction only plays a significant role in the final stage of iron reduction in a blast furnace, by helping to reduce wustite (FeO) to iron. In this case, the chemical reaction can be trivially described as follows ...
The blast (estimated yield of 20–40 tons of TNT, comparable in scale to the military test Operation Blowdown) was heard 80 km away (50 miles) and registered 3.4 on the Richter magnitude scale. It damaged about 30,000 buildings over about two-thirds of the city, for an estimated total cost of about €2 billion.
Anderson was born in Ladysmith, British Columbia, Canada, the daughter of Barry Anderson, a furnace repairman, and Carol, a waitress.Her great-grandfather, Juho Hyytiäinen, was a Finnish native of Saarijärvi, and left the Grand Duchy of Finland (which was an autonomous state within the Russian Empire at the time) [11] for Canada in 1908. [12]