C - Chemistry – Metallurgy – 22 – B
Patent
C - Chemistry, Metallurgy
22
B
53/368
C22B 5/10 (2006.01) C21B 13/08 (2006.01) C22B 21/02 (2006.01) C22B 23/02 (2006.01) C22B 34/12 (2006.01) C22B 34/22 (2006.01) C22B 34/32 (2006.01) C22B 47/00 (2006.01)
Patent
CA 1180904
Abstract A process for the exploitation of low-grade oxidic and iron-bearing complex ores or concentrates, whereby the initial materials are reduced in a rotary kiln at a temperature of 1000-1500 °C in such a manner that the products are a magnetic fraction primarily consisting of iron, and a non-magnetic oxide fraction, the materials present in this fraction being further exploitable by conventional methods.
394738
Heimala Seppo O.
Honkala Risto J.
Honkaniemi Matti E.
Hultholm Stig-Erik
Krogerus Helge J.
Gowling Lafleur Henderson Llp
Outokumpu Oy
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