Method and apparatus for treatment of sulphidic concentrates

PCT No. PCT/FI93/00428 Sec. 371 Date Apr. 13, 1995 Sec. 102(e) Date Apr. 13, 1995 PCT Filed Oct. 19, 1993 PCT Pub. No. WO94/09166 PCT Pub. Date Apr. 28, 1994A method for oxidizing treatment of molten matte and at the same time directly smelting sulphidic concentrate in a refractory-lined liquid bath...

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1. Verfasser:	ROLF MALMSTROM
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY FERROUS OR NON-FERROUS ALLOYS METALLURGY PRETREATMENT OF RAW MATERIALS PRODUCTION AND REFINING OF METALS TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Zusammenfassung:	PCT No. PCT/FI93/00428 Sec. 371 Date Apr. 13, 1995 Sec. 102(e) Date Apr. 13, 1995 PCT Filed Oct. 19, 1993 PCT Pub. No. WO94/09166 PCT Pub. Date Apr. 28, 1994A method for oxidizing treatment of molten matte and at the same time directly smelting sulphidic concentrate in a refractory-lined liquid bath reactor, e.g. a converter, into which oxidizing air is introduced below the surface of the liquid bath. For additional supply of energy in order to achieve thermal balance or increase of capacity, sulphidic concentrate is introduced into the gas phase of the liquid bath reactor together with oxygen gas or oxygen-enriched gas by means of a concentrate burner.