Method for thermal treatment of nickel ore

Details Method for thermal treatment of nickel ore Method for thermal treatment of nickel ore

1975-11-06

1977-09-20

Rosenberg, Peter D.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 36, C22B 2302

Patent

active

040494454

ABSTRACT:
A method and mechanism for thermally processing lateritic nickel ore wherein the ore is fed through a seal, fed to a series of preheater cyclones arranged to discharge to a burner chamber with a tangential burner and the burner chamber is connected to discharge to a reduction chamber which is fed reduction gases through a water cooled supporting grate, and the still combustible reduction gases passed upwardly to the burner chamber and then through an after burner chamber whereupon the gases enter the preheater chamber to supply heat for preheating the ore to reduction temperature.

REFERENCES:
patent: 3140168 (1964-07-01), Halley

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