Title:
IRON ORE PELLET PRODUCTION METHOD
Document Type and Number:
WIPO Patent Application WO/2024/070135
Kind Code:
A1
Abstract:
Provided is an iron ore pellet production method, whereby high-strength iron ore pellets can be obtained, and it is possible to contribute to carbon neutrality. This iron ore pellet production method comprises: a mixing step for mixing iron ore having a total Fe content of 63 mass% or less, solid carbon, a binder, and auxiliary raw materials to obtain a mixture; a granulation step for granulating the mixture to obtain green pellets; and a firing step for firing the green pellets by heating the green pellets from the inside by burning the solid carbon while heating the green pellets from the outside by burning CH4 gas, to obtain iron ore pellets, wherein the solid carbon includes carbon generated from at least one selected from the group consisting of CO2 gas, CO gas, and CH4 gas.
Inventors:
TAKEHARA KENTA (JP)
HIGUCHI TAKAHIDE (JP)
DOHI YUSUKE (JP)
HIGUCHI TAKAHIDE (JP)
DOHI YUSUKE (JP)
Application Number:
PCT/JP2023/025632
Publication Date:
April 04, 2024
Filing Date:
July 11, 2023
Export Citation:
Assignee:
JFE STEEL CORP (JP)
International Classes:
C22B1/14
Foreign References:
| JPS56123332A | 1981-09-28 | |||
| JP2021165214A | 2021-10-14 |
Attorney, Agent or Firm:
SUGIMURA Kenji (JP)
Download PDF: