ferrochrome slag, generated in South Africa is still disposed of (Bredenhann, 2003). Ferrochrome slag has excellent technical and material properties for use as construction material (Lind et al. 2001, Niemelä and Kauppi, 2005).
use of slag in the USA was as track ballast for the nation's railroads. ... ECONOMIC ENVIRONMENTALLY BENEFICIAL TREATMENT OF SLAGS .
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Considering silicon alloys slag ... tively, ferrochrome and ferromanganese (containing silicon and carbon) as well as associated slags by the use of a suitable
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Abstract: Ferrochrome slag, an essential component in stainless steel, is the byproduct of ferrochromium production. The composition of the...
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Slag is separated from the liquid ferrochrome and tapped into The DC arc furnace uses a single, Ore ProcessingIt is added in ladle to rimmed, semikilled and killed steel grades, used for slag deoxidization in arc melting, for acid electric melting process, ...Ferrochromium slag is a waste material obtained from the manufacture of .
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Ferrochrome can react with some acids with the evolution of hydrogen. Ferrochrome can react with molten alkalis resulting in the formation of compounds containing chromium (VI) see above.
Ferrochrome slag is treated with lime to conduct slaglime solidsolid reaction. Chromium present in the slag reacts with lime to form mixed chromates. The reaction is conducted at 973K, soluble chromium ion was extracted with water and is subsequently separated by adsorbing fly ash based zeolite which can be recovered.
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