TREATMENT OF COMPLEX SULFIDE CONCENTRATE

A process of treating complex sulfide concentrate includes the steps of roasting wet or slurried complex sulfide concentrate in a furnace at a temperature of at least 720° C. to obtain a calcine; smelting the calcine under inert or oxygen free atmosphere in a smelting furnace to obtain a matte, and...

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Hauptverfasser: LIIPO, Jussi, METSÄRINTA, Maija-Leena, JYRKÖNEN, Satu
Format: Patent
Sprache:eng
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Zusammenfassung:A process of treating complex sulfide concentrate includes the steps of roasting wet or slurried complex sulfide concentrate in a furnace at a temperature of at least 720° C. to obtain a calcine; smelting the calcine under inert or oxygen free atmosphere in a smelting furnace to obtain a matte, and optionally granulating the matte to obtain a granulated matte.