Process and device for flash smelting sulphide ores and concentr

Details Process and device for flash smelting sulphide ores and concentr Process and device for flash smelting sulphide ores and concentr

1973-10-24

1976-04-06

Curtis, Allen B.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 23, 75 74, 75 26, 266 10, 266 20, 266 24, 423571, C22B 102

Patent

active

039486397

ABSTRACT:
A process and device to be used in the flash smelting of sulphide ores or concentrates is disclosed, wherein the gases emerging from the rising zone of the flash smelting furnace are fed together with the sulphide ore or concentrate into a pretreatment zone, from where the cooled gases are removed for the recovery of sulphur and the pre-treated sulphide ore or concentrate is fed into the upper end of the reaction zone of the flash smelting furnace.

REFERENCES:
patent: 1338440 (1920-04-01), Greenwood
patent: 2772153 (1956-11-01), West et al.
patent: 3351462 (1967-11-01), Arentzen et al.
patent: 3554515 (1971-01-01), Tonooka et al.
patent: 3790366 (1974-02-01), Bryk et al.

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