FIELD: mining; metallurgy.
SUBSTANCE: invention relates to mining and non-ferrous metallurgy, in which iron-zinc-containing wastes are formed. Universal technology has been developed, which enables to process wastes of ferrous and non-ferrous metallurgy, including iron-zinc-containing sludge and dust, sludge and dust of converter production, sludge and dust of electric smelting production, blast-furnace sludge and dust, oily scale.
EFFECT: invention provides extraction of zinc in the form of oxide and zinc salts from metallurgy wastes, de-oiling of oily scale, production of iron of direct reduction.
1 cl, 5 dwg, 9 ex
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