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FeSi is an alloy of iron and silicon, based on quartz (SiO2), iron ore (Fe2O3), coal and coke (C). The carbon in the coal and coke is needed for extracting oxygen so that pure silicon and iron can be formed..

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The silica dust is initially a waste product from the production of FeSi. However, with today's cleaning technology, it has become a resource. New areas of application are constantly...

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During 2012 Finnfjord will become a power producer. Using the thermal energy in the off-gasses, the recovery system will generate 340 GWh of electric power

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