Pellets incorporated with carbonaceous material
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United States of America Patent
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Aug 12, 2003
Grant Date -
Apr 25, 2002
app pub date -
Nov 15, 2001
filing date -
Nov 24, 1998
priority date (Note) -
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Abstract
Pellets incorporated with a carbonaceous material of the present invention contain a carbonaceous material and iron ore mainly composed of iron oxide. The maximum fluidity of the carbonaceous material in softening and melting, and the ratio of iron oxide particles of 10 .mu.m or smaller in the iron ore are within the range above a line which connects in turn points A, B and C shown in FIG. 1, including the line. This permits the production of pellets incorporated with a carbonaceous material having excellent thermal conductivity and high strength. Reduction of the pellets incorporated with a carbonaceous material produces reduced iron having high strength after reduction and a low fines ratio with improved productivity.
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