Agglomerated quicklime or dolomitic quicklime compositions for electric arc furnace steelmaking
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United States of America Patent
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Issued Date -
Jan 20, 2005
app pub date -
Feb 4, 2004
filing date -
Jul 17, 2003
priority date (Note) -
Abandoned
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Abstract
A composition of matter where a calcium compound selected from quicklime or dolomitic quicklime is formed into agglomerates, using a non-aqueous binder such as a wax or a starch, the agglomerates having a particle size in a range of about 1.0 to 20 mm, and at least 90 percent of the agglomerates having a particle size within 60 percent, preferably within about 25 percent, plus or minus, of a predetermined particle size within that range. The agglomerates are especially useful for injection into an electric arc furnace in the making of steel.
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