C - Chemistry – Metallurgy – 21 – C
Patent
C - Chemistry, Metallurgy
21
C
53/99
C21C 7/064 (2006.01) C21C 1/02 (2006.01) C22B 9/10 (2006.01)
Patent
CA 1137759
Abstract of the Disclosure A desulfurizing agent for injection mainly con- sisting of lime powders having a particle diameter which allows at least 50 wt.% of the lime powders to pass through a screen mesh of 100 µm and containing 0.015 to 1.0 wt.% of silicone oil surfactant, 10 to 40 wt.% of carbonate or hydroxide of alkaline earth metal, and 2 to 20 wt.% of carbon. The desulfurizing agent further contains 2 to 10 wt.% of at least one fluoride selected from the group consisting of fluoride of alkaline metal, fluoride of alkaline earth metal, cryolite, and sodium silicofluoride.
345218
Emi Toshihiko
Haida Osamu
Sonoda Hiraku
Sudo Fumio
Yamada Sumio
Kawasaki Steel Corporation
Smart & Biggar
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