Process for reducing the electric steelworks dusts and facility for implementing it
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United States of America Patent
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Oct 24, 2000
Grant Date -
N/A
app pub date -
Oct 31, 1997
filing date -
Nov 1, 1996
priority date (Note) -
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Abstract
A process for processing electric steelworks dusts containing oxidized high-iron, zinc-bearing materials in order to recover iron and zinc from [them] said dusts. The process includes the steps of: feeding the dusts to an induction furnace partially filled with a charge of metal or alloy to be smelted, wherein the charge is present as a molten bath that is made turbulent by induced currents; contacting the dusts with a surface of the turbulent molten bath inside the furnace; and reducing zinc and iron oxides contained in the dusts inside the furnace, while oxidizing zinc and carbon monoxide rising from the bath.
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