C - Chemistry – Metallurgy – 21 – C
Patent
C - Chemistry, Metallurgy
21
C
307/48, 39/8
C21C 5/52 (2006.01) C22B 4/08 (2006.01) C22B 5/02 (2006.01) F27B 3/18 (2006.01)
Patent
CA 1089902
Abstract of the Disclosure Improvements in matte smelting are disclosed. A circular furnace is formed having a concave bottom, the radius of curvature of the bottom being no greater than the diameter of the circular furnace. The matte level is controlled to cover not more than half of the concave surface bottom. Advantageous positioning of the electrodes, tapping holes, feed chutes and the like are also disclosed.
267123
Elkem-Spigerverket A/s
Macrae & Co.
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