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The flash reduction of electric arc furnace dusts.

Authors
Wu-L; Themelis-NJ
Source
J Met 1992 Jan; :35-39
NIOSHTIC No.
10011591
Abstract
The flash processing of electric arc furnace (eaf) dusts is a promising method for recovering zinc and producing nontoxic slags for direct disposal. To reduce the zinc content of the dust particles and maintain the iron content in oxide form, a certain range of temperature and oxygen potential must be provided, as dictated by thermodynamic requirements. Experiments were conducted with eaf dusts at three levels of zinc concentration in an electrically heated flash reactor. The results showed that the co:co2 ratio in the process gas was the most important parameter. The effects of zinc content in dust and o2 in inlet gas on zinc recovery were secondary. Toxicity leach tests showed that the resulting slag, even at low zinc recovery, can be disposed safely as landfill.
CODEN
JOMTAA
Publication Date
19920101
Document Type
OP; Journal Article
Fiscal Year
1992
NTIS Accession No.
NTIS Price
Identifying No.
MIR 10-92
ISSN
0148-6608
NIOSH Division
WO
Source Name
Journal of Metals
State
DC
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