FIELD: ferrous metallurgy. SUBSTANCE: a mixture of carbon-containing sludges is added to a burden in the proportion of (in % by mass): sludge mixture 4.0- 10.0; limestone 0.5-15.0; bentonite 0.7-1.2; iron ore concentrate - the balance, with blast furnace, steel-smelting, and mill sludges ratio in the mixture of 1 : (0.11-0.25) : (0.09-0.15), respectively. EFFECT: improved quality of the product. 2 cl, 4 tbl
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Authors
Dates
1994-03-15—Published
1992-04-15—Filed