Title:
酸化鉱石の製錬方法
Document Type and Number:
Japanese Patent JP7292581
Kind Code:
B2
Abstract:
To provide a smelting method of an oxide ore capable of enhancing a quality of a metal to be obtained, and efficiently manufacturing a high quality metal.SOLUTION: A smelting method of an oxide ore includes: a mixing step of obtaining a mixture including an oxide ore and a carbonaceous reductant; and a reduction step of putting the mixture inside a reduction furnace and applying a reduction treatment to the mixture to obtain a reduced product containing a metal and a slag. The smelting method further includes a reductant desiccation step of preliminarily desiccating the carbonaceous reductant before mixing with the oxide ore in the mixing step.SELECTED DRAWING: Figure 1
Inventors:
Takashi Iseki
Application Number:
JP2019136377A
Publication Date:
June 19, 2023
Filing Date:
July 24, 2019
Export Citation:
Assignee:
Sumitomo Metal Mining Co., Ltd.
International Classes:
C22B23/02; C22B5/10; C22C33/04
Domestic Patent References:
| JP2014504335A | ||||
| JP2002285213A | ||||
| JP4063219A | ||||
| JP2018127693A | ||||
| JP2014141719A | ||||
| JP61099635A |
Foreign References:
| WO2001018256A1 |
Attorney, Agent or Firm:
Masayuki Shobayashi
Kazuyoshi Hayashi
Kazuyoshi Hayashi