Title:
AGGLOMERATED ORE AND METHOD FOR PRODUCING SAME
Document Type and Number:
WIPO Patent Application WO/2023/048232
Kind Code:
A1
Abstract:
This agglomerated ore is a molded object in which a plurality of types of particles are mixed. The plurality of types of particles include at least iron carbide particles and iron oxide particles. At least a portion of the iron oxide particles are exposed on the surface layer of the agglomerated ore, and the porosity of the agglomerated ore is 20-40%. The proportion of the total mass of iron in the iron carbide and metal iron relative to the mass of the total iron contained in the agglomerated ore is 40-80 mass%, and the carbon concentration including the carbon in the iron carbide particles is 1.0-4.5 mass%.
Inventors:
MIZUTANI MORITOSHI (JP)
Application Number:
PCT/JP2022/035380
Publication Date:
March 30, 2023
Filing Date:
September 22, 2022
Export Citation:
Assignee:
NIPPON STEEL CORP (JP)
International Classes:
C22B1/16; C21B13/02; C22B1/14
Domestic Patent References:
| WO2000049184A1 | 2000-08-24 |
Foreign References:
| JPS58117839A | 1983-07-13 | |||
| JPH107414A | 1998-01-13 | |||
| JPH10291816A | 1998-11-04 | |||
| JP2004269978A | 2004-09-30 | |||
| JP2021155671A | 2021-10-07 | |||
| JP2014080649A | 2014-05-08 | |||
| JPH08253801A | 1996-10-01 |
Attorney, Agent or Firm:
MATSUNUMA Yasushi et al. (JP)
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