EP4381109C0 - GAS COMPRESSION IN HYDROGEN-BASED DIRECT REDUCTION - Google Patents

GAS COMPRESSION IN HYDROGEN-BASED DIRECT REDUCTION

Info

Publication number: EP4381109C0
Authority: EP; European Patent Office
Prior art keywords: hydrogen; gas compression; direct reduction; based direct; reduction
Prior art date: 2021-08-02
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Active

Application number

EP22758232.7A

Other languages

German (de)

French (fr)

Other versions

EP4381109B1 (en

EP4381109A1 (en

Inventor

Robert Millner

Hans Thomas Sattler

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Primetals Technologies Austria GmbH

Original Assignee

Primetals Technologies Austria GmbH

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

2021-08-02

Filing date

2022-08-01

Publication date

2025-10-08

2022-08-01 Application filed by Primetals Technologies Austria GmbH filed Critical Primetals Technologies Austria GmbH

2024-06-12 Publication of EP4381109A1 publication Critical patent/EP4381109A1/en

2025-10-08 Application granted granted Critical

2025-10-08 Publication of EP4381109B1 publication Critical patent/EP4381109B1/en

2025-10-08 Publication of EP4381109C0 publication Critical patent/EP4381109C0/en

Status Active legal-status Critical Current

2042-08-01 Anticipated expiration legal-status Critical

Classifications

- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/0073—Selection or treatment of the reducing gases

Landscapes

Engineering & Computer Science (AREA)
Chemical & Material Sciences (AREA)
Manufacturing & Machinery (AREA)
Materials Engineering (AREA)
Metallurgy (AREA)
Organic Chemistry (AREA)
Hydrogen, Water And Hydrids (AREA)
Fuel Cell (AREA)

EP22758232.7A 2021-08-02 2022-08-01 Gas compression in hydrogen-based direct reduction Active EP4381109B1 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
EP21189193.2A EP4130298A1 (en)	2021-08-02	2021-08-02	Gas compression in hydrogen-based direct reduction
PCT/EP2022/071573 WO2023012114A1 (en)	2021-08-02	2022-08-01	Gas compression in hydrogen-based direct reduction

Publications (3)

Publication Number	Publication Date
EP4381109A1 EP4381109A1 (en)	2024-06-12
EP4381109B1 EP4381109B1 (en)	2025-10-08
EP4381109C0 true EP4381109C0 (en)	2025-10-08

Family

ID=77179924

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
EP21189193.2A Withdrawn EP4130298A1 (en)	2021-08-02	2021-08-02	Gas compression in hydrogen-based direct reduction
EP22758232.7A Active EP4381109B1 (en)	2021-08-02	2022-08-01	Gas compression in hydrogen-based direct reduction

Family Applications Before (1)

Application Number	Title	Priority Date	Filing Date
EP21189193.2A Withdrawn EP4130298A1 (en)	2021-08-02	2021-08-02	Gas compression in hydrogen-based direct reduction

Country Status (8)

Country	Link
US (1)	US20250092478A1 (en)
EP (2)	EP4130298A1 (en)
CN (1)	CN117836434A (en)
AU (1)	AU2022323317A1 (en)
CA (1)	CA3226840A1 (en)
ES (1)	ES3049124T3 (en)
MX (1)	MX2024001393A (en)
WO (1)	WO2023012114A1 (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3748120A (en) *	1971-04-15	1973-07-24	Midland Ross Corp	Method of and apparatus for reducing iron oxide to metallic iron
AT511888B1 (en) *	2011-09-13	2013-06-15	Siemens Vai Metals Tech Gmbh	DEVICE FOR ENERGY OPTIMIZATION IN A PLANT FOR MANUFACTURING DIRECTLY REDUCED METAL ORCHES
CN107058664A (en) *	2017-05-25	2017-08-18	江苏省冶金设计院有限公司	A kind of system and method by direct reduction in shaft furnace
IT201900002081A1 (en) *	2019-02-13	2020-08-13	Danieli Off Mecc	DIRECT REDUCTION PLANT AND RELATED PROCESS

2021
- 2021-08-02 EP EP21189193.2A patent/EP4130298A1/en not_active Withdrawn
2022
- 2022-08-01 ES ES22758232T patent/ES3049124T3/en active Active
- 2022-08-01 EP EP22758232.7A patent/EP4381109B1/en active Active
- 2022-08-01 CN CN202280053864.2A patent/CN117836434A/en active Pending
- 2022-08-01 AU AU2022323317A patent/AU2022323317A1/en active Pending
- 2022-08-01 WO PCT/EP2022/071573 patent/WO2023012114A1/en not_active Ceased
- 2022-08-01 US US18/294,151 patent/US20250092478A1/en active Pending
- 2022-08-01 CA CA3226840A patent/CA3226840A1/en active Pending
- 2022-08-01 MX MX2024001393A patent/MX2024001393A/en unknown

Also Published As

Publication number	Publication date
EP4381109B1 (en)	2025-10-08
US20250092478A1 (en)	2025-03-20
MX2024001393A (en)	2024-02-27
CA3226840A1 (en)	2023-02-09
WO2023012114A1 (en)	2023-02-09
AU2022323317A1 (en)	2024-01-25
CN117836434A (en)	2024-04-05
EP4381109A1 (en)	2024-06-12
EP4130298A1 (en)	2023-02-08
ES3049124T3 (en)	2025-12-15

Publication	Publication Date	Title
EP1715400A4 (en)	2013-12-25	PRESSURE REDUCTION VALVE AND GAS REGULATOR
DK2293289T3 (en)	2012-06-25	SPEECH RECOGNITION SYSTEM AND PROCEDURE
ZA201109205B (en)	2013-02-27	Compressor and/or expander device
EP2201984A4 (en)	2010-10-06	EXTINGUISHING GAS EJECTOR
EP2123955A4 (en)	2011-03-30	GAS PRESSURE REDUCTION VALVE
IT1396740B1 (en)	2012-12-14	MONITORING OF A SEALED HOLDING DEVICE, IN PARTICULAR OF A GAS COMPRESSOR OR EXPANDER.
EP4363725A4 (en)	2025-07-02	GAS COMPRESSION SYSTEM
DE602008002583D1 (en)	2010-10-28	Data compression and decompression
EP4203873A4 (en)	2024-09-25	PORTABLE LIMBS COMPRESSION SYSTEM
EP2247344A4 (en)	2014-11-05	Portable compressed gas foam system
NO20053844L (en)	2007-01-08	Compressed natural gas transport device
EP4381109C0 (en)	2025-10-08	GAS COMPRESSION IN HYDROGEN-BASED DIRECT REDUCTION
DK3993777T3 (en)	2024-09-16	COMPRESSED MACITENT COMPOSITIONS, PROCESSES AND USES THEREOF
EP4416420A4 (en)	2025-10-01	PORTABLE NATURAL GAS DISTRIBUTION SYSTEM
EP1920828A4 (en)	2015-05-06	GAS ADSORBENT
IT1394884B1 (en)	2012-07-20	COMPRESSED GAS TANK.
NO20055355L (en)	2007-05-14	Pressure and leakage control in rotary compression equipment
GB202109977D0 (en)	2021-08-25	Gas block
IT1396199B1 (en)	2012-11-16	QUICK EXPANDER OF THE PALATE THAT CAN ENSURE THE STABILIZATION OF THE EXERCISED PUSHES.
EP4275103C0 (en)	2024-12-04	GAS PRESSURE REGULATOR
EP2250454A4 (en)	2015-10-21	Parallel flow cryogenic liquefied gas expanders
EP4326645A4 (en)	2025-03-19	COMPRESSED HYDROGEN AND AIR ENERGY SYSTEM
EP4321034A4 (en)	2025-03-26	METHANE GAS REDUCER
JP1710186S (en)	2022-03-17	Portable gas stove
JP1710977S (en)	2022-03-28	Portable gas stove

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