Title:
METHOD FOR PRODUCING IRON SOURCE
Document Type and Number:
WIPO Patent Application WO/2024/062922
Kind Code:
A1
Abstract:
Provided is a method for producing an iron source, the method comprising: a preparation step in which a roasting composition including iron ore containing at least 0.05 mass% of phosphorus, is prepared, wherein the total amount of Al2O3 and SiO2 is at least 5.0 mass% in terms of oxides of elements included in the roasting composition; a roasting step in which the roasting composition is roasted to obtain a roasted product; a reduction step in which the roasted product is reduced in an atmosphere containing at least one among CO gas and hydrogen gas, to obtain a reduced product containing a reduced iron phase and a slag phase; a crushing step in which the reduced product is crushed to obtain a crushed product containing a reduced-iron-phase-containing product in which at least a part of the slag phase constituting the reduced product has been separated; and a sorting and recovering step in which the reduced-iron-phase-containing product is sorted and recovered from the crushed product.
Inventors:
YAMAZAKI SHINTARO
ADACHI TAKERO
TSUSHIMA TAKASHI
ADACHI TAKERO
TSUSHIMA TAKASHI
Application Number:
PCT/JP2023/032480
Publication Date:
March 28, 2024
Filing Date:
September 06, 2023
Export Citation:
Assignee:
KOBE STEEL LTD (JP)
International Classes:
C21B13/00; C22B1/02
Foreign References:
| JP2012001797A | 2012-01-05 | |||
| JP2016529402A | 2016-09-23 | |||
| US20120073406A1 | 2012-03-29 | |||
| JP2007131928A | 2007-05-31 | |||
| JP2011141156A | 2011-07-21 |
Attorney, Agent or Firm:
YAMAO, Norihito (JP)
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