Oxidation roasting of ore

Metallurgical apparatus – With control means responsive to sensed condition – With means supplying a treating agent

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Details

266 87, 266181, 266188, C22B 100

Patent

active

040349691

ABSTRACT:
The roasting temperature of ore, such as sulfide concentrate, is controlled by feeding water and air under pressure to at least one spray nozzle located relative to a roasting zone containing the ore, means being employed for selectively varying the ratio of water and air fed to the nozzle in accordance with the temperature to be desired and maintained in the roasting zone.

REFERENCES:
patent: 1912621 (1933-06-01), Clark
patent: 2847294 (1958-08-01), Long et al.
patent: 3047365 (1962-07-01), Jukkola

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