C - Chemistry – Metallurgy – 22 – B
Patent
C - Chemistry, Metallurgy
22
B
39/2, 53/354
C22B 7/02 (2006.01) C22B 1/24 (2006.01) C22B 9/14 (2006.01) C22B 19/14 (2006.01)
Patent
CA 1338126
A method and apparatus for recovering primary metals from pyrometallurgical process dust, in which a vertical shaft retort, situated in a furnace or afterburner associated with a pyrometallurgical apparatus, such as an inclined rotary reduction smelter, and preferably having a tapered cross-section with the larger end at the bottom, receives greenball pellets from a pelletizer, vaporizes volatile metal metals therein, and removes them to an associated volatile metal recovery apparatus, while reducing and recovering the major metal oxide components in the pellets in metallized form.
613568
Bishop Norman G.
Bottinelli N. Edward
Kotraba Norman L.
Gowling Lafleur Henderson Llp
Zia Metallurgical Processes Inc.
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