C - Chemistry – Metallurgy – 22 – B
Patent
C - Chemistry, Metallurgy
22
B
307/16, 53/350
C22B 5/12 (2006.01) C10J 3/46 (2006.01) C21B 5/00 (2006.01) C21B 13/02 (2006.01)
Patent
CA 1228482
A B S T R A C T A method and apparatus for reducing a metal compound particularly iron oxide, by means of a reducing agent comprising CO or H2 or a mixture of these two gases, of which the average temperature is between 850°C and 1000°C and which has been obtained at this temperature by means of a plasma arc heater. The CO and H2 mixture is preferably obtained by heating a mixture comprising a selection of various reducing agents, including so called Sasol gas, and CO2 and steam in a plasma arc heater and converting the mixture to CO and H2.
468817
Blom Peter W.e.
de Waal Jan C.
Ridout & Maybee Llp
Union Steel Corporation (of South Africa) Limited (the)
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