Title:
酸化鉱石の製錬方法
Document Type and Number:
Japanese Patent JP7459660
Kind Code:
B2
Abstract:
To provide a method for smelting a nickel oxide ore capable of efficiently producing a high-quality metal.SOLUTION: A method for smelting a nickel oxide ore includes: a mixture step of obtaining a mixture containing a nickel oxide ore and a first reductant; and a reduction step of charging the mixture into a reduction furnace and applying a reduction treatment to the mixture so as to obtain a reduced product containing a metal and a slag. The reduction step includes inputting a second reductant being an additional reductant into the reduction furnace, applying a reduction treatment and controlling an input amount of the second reductant according to an analysis result of the metal being a reduced product discharged from the reduction furnace.SELECTED DRAWING: Figure 1
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Inventors:
Takashi Iseki
Application Number:
JP2020092449A
Publication Date:
April 02, 2024
Filing Date:
May 27, 2020
Export Citation:
Assignee:
Sumitomo Metal Mining Co., Ltd.
International Classes:
C22B23/02; C22C33/04
Domestic Patent References:
| JP2020056052A | ||||
| JP2016074945A | ||||
| JP1172530A | ||||
| JP5287352A | ||||
| JP2001107151A | ||||
| JP2018131652A | ||||
| JP7268499A | ||||
| JP56035734A | ||||
| JP2002088417A |
Attorney, Agent or Firm:
Masayuki Shobayashi
Kazuyoshi Hayashi
Kazuyoshi Hayashi