Global Patent Index - EP 4345175 A1

EP 4345175 A1 20240403 - DIRECT REDUCED IRON PELLETS AND USE THEREOF

Title (en)

DIRECT REDUCED IRON PELLETS AND USE THEREOF

Title (de)

DIREKTREDUZIERTE EISENPELLETS UND VERWENDUNG DAVON

Title (fr)

PASTILLES DE FER DIRECTEMENT REDUIT ET LEUR UTILISATION

Publication

EP 4345175 A1 20240403 (EN)

Application

EP 22199176 A 20220930

Priority

EP 22199176 A 20220930

Abstract (en)

The disclosure relates to direct reduced iron (DRI) pellets, wherein the DRI pellets have an average metallization of greater than or equal to 97% and an average BET surface area of less than or equal to 0.5 m<sup>2</sup>/g. The DRI pellets are either essentially free of carbon, or alternatively they comprise less than or equal to 2 wt% carbon.The disclosure further relates to uses of such DRI pellets.

IPC 8 full level

C21B 13/02 (2006.01)

CPC (source: EP)

C21B 13/0033 (2013.01); C21B 13/0073 (2013.01); C21B 13/0086 (2013.01); C21B 13/02 (2013.01); C21B 2100/64 (2017.05)

Citation (applicant)

  • WO 2021225500 A1 20211111 - HYBRIT DEV AB [SE]
  • KIM GPISTORIUS P.C.: "Strength of Direct Reduced Iron Following Gas-Based Reduction and Carburization", METALLURGICAL AND MATERIALS TRANSACTIONS B, vol. 51, 2020, pages 2628 - 2641, XP037299405, DOI: 10.1007/s11663-020-01958-x

Citation (search report)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

Designated validation state (EPC)

KH MA MD TN

DOCDB simple family (publication)

EP 4345175 A1 20240403; WO 2024047259 A1 20240307

DOCDB simple family (application)

EP 22199176 A 20220930; EP 2023077066 W 20230929