C - Chemistry – Metallurgy – 22 – B
Patent
C - Chemistry, Metallurgy
22
B
C22B 4/00 (2006.01) C22B 1/06 (2006.01) C22B 5/10 (2006.01) C22B 5/16 (2006.01) C22B 9/20 (2006.01) C22B 11/00 (2006.01) C22B 15/00 (2006.01) C22B 23/00 (2006.01)
Patent
CA 2362294
A process for treating a metal sulphide concentrate which includes the steps of: a) roasting the concentrate to reduce the sulphide content of the concentrate, to a negligible value and b) melting the concentrate, under reducing conditions, in an electrically stabilized open-arc furnace, in particular a DC arc furnace.
Cette invention concerne un procédé de traitement d'un concentré de sulfure métallique consistant à a) griller le concentré de façon à réduire sa teneur en sulfure jusqu'à une valeur négligeable et b) faire fondre le concentré, dans des conditions de réduction, dans un four à arc visible stabilisé électriquement, notamment dans un four à arc à courant continu.
Barcza Nicholas Adrian
Hannaford Anthony
Jones Rodney Trevor
Kaiura Gary
O'connell Gary
Borden Ladner Gervais Llp
Mintek
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