METHOD FOR PRODUCING PELLET AND METHOD FOR SMELTING NICKEL OXIDE ORE

Canada Patent

PATENT NO 2954028
APP PUB NO CA-2954028-A1
SERIAL NO

2954028

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Provided is a method for producing a pellet capable of suppressing heat shock-induced crack occurrence, when nickel oxide ores are made into pellets and placed in a reducing furnace in a smelting process. In the method for producing a pellet from a nickel oxide ore, a nickel oxide ore, a binder and a carbonaceous reducing agent are mixed, the mixture is made into a lump, and then the resulting lump is subjected to a preheat treatment at a temperature of 350 °C to 600 °C. In this preheat treatment, the lump more preferably undergoes the preheat treatment at a temperature of 400 °C to 550 °C.

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