C - Chemistry – Metallurgy – 21 – B
Patent
C - Chemistry, Metallurgy
21
B
53/11, 53/32
C21B 13/02 (2006.01) C21B 13/00 (2006.01) C22B 1/24 (2006.01)
Patent
CA 1053006
ABSTRACT OF THE DISCLOSURE Pelletized iron ore is introduced into a shaft furnace and reduced in a countercurrent stream of reducing gas at a hot zone temperature of 1375°F to 1700°F. The pellets have a low silica con- tent,and, prior to indurating, a high moisture content, providing a highly porous texture which results in improved reducibility.
233113
Rygiel Robert J.
Sandoval Jesus A.
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