METHOD FOR PRODUCING PELLET AND METHOD FOR SMELTING NICKEL OXIDE ORE

World Intellectual Property Organization Patent

APP PUB NO WO-2016009828-A1
SERIAL NO

PCTJP2015068852

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Abstract

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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 preheating treatment at a temperature of 350 °C to 600 °C. In this preheating treatment, the lump more preferably undergoes the preheating treatment at a temperature of 400 °C to 550 °C.

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Patent Owner(s)

Patent OwnerAddress
SUMITOMO METAL MINING COJPTOKYO

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Inventor(s)

Inventor Name Address
TAKAHASHI JUNICHI 〒3291217 栃木県塩谷郡高根沢町大字太田１１８番地１ テイ・エス テック株式会社内 TOCHIGI ?3291217
INOUE TAKU KANAGAWA
OKADA SHUUJI NIIHAMA-SHI EHIME 792-8555

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