C - Chemistry – Metallurgy – 23 – F
Patent
C - Chemistry, Metallurgy
23
F
117/237
C23F 15/00 (2006.01) C21B 13/00 (2006.01)
Patent
CA 1068560
SPECIFICATION WILLIAM A. AHRENDT DAVID C. MEISSNER METHOD OF INHIBITING RUSTING OF SPONGE IRON ABSTRACT OF THE DISCLOSURE A method for inhibiting rusting of sponge iron or any form of directly reduced iron when contacted by air, water, or other oxidant, by treating the sponge iron with a water soluble alkali metal silicate solution. The resulting product, a sodium silicate treated, rust-resistant metallized iron pellet, is also disclosed.
260456
Ahrendt William A.
Meissner David C.
Midrex Corporation
Na
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