US 11,851,725 B2
Ironmaking feedstock
Suneeti Purohit, Hawthorn (AU); Geoffrey Brooks, Tecoma (AU); Muhammad Akbar Rhamdhani, Sydenham (AU); and Mark Pownceby, Upwey (AU)
Assigned to Swinburne University of Technology, Hawthorn (AU); and Commonwealth Scientific and Industrial Research Organisation, Acton (AU)
Filed by Swinburne University of Technology, Hawthorn (AU); and Commonwealth Scientific and Industrial Research Organisation, Acton (AU)
Filed on Oct. 5, 2022, as Appl. No. 17/938,104.
Application 17/938,104 is a division of application No. 16/858,916, filed on Apr. 27, 2020, abandoned.
Claims priority of provisional application 62/842,567, filed on May 3, 2019.
Prior Publication US 2023/0049624 A1, Feb. 16, 2023
Int. Cl. C21B 5/00 (2006.01); C22B 1/24 (2006.01); C22B 1/04 (2006.01)
CPC C21B 5/008 (2013.01) [C22B 1/04 (2013.01); C22B 1/2406 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A process for the production of an ironmaking feedstock for ironmaking, the process comprising reacting a combination of a calcium source and magnetite, having a molar ratio of calcium to magnetite of between 0.1:1.0 and 0.8:1.0, at elevated temperature under reducing conditions sufficient to produce an ironmaking feedstock comprising a solid CaFe3O5 phase.