EP4495271C0 - Verfahren zum verwerten von bei einer direktreduktion von eisenerzträgern mit ammoniak enthaltendem oder daraus bestehendem reduktionsgas anfallenden fraktionen - Google Patents
Verfahren zum verwerten von bei einer direktreduktion von eisenerzträgern mit ammoniak enthaltendem oder daraus bestehendem reduktionsgas anfallenden fraktionenInfo
- Publication number
- EP4495271C0 EP4495271C0 EP23186885.2A EP23186885A EP4495271C0 EP 4495271 C0 EP4495271 C0 EP 4495271C0 EP 23186885 A EP23186885 A EP 23186885A EP 4495271 C0 EP4495271 C0 EP 4495271C0
- Authority
- EP
- European Patent Office
- Prior art keywords
- formed during
- iron ore
- reduction
- fractions formed
- holders containing
- Prior art date
- 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
Links
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
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
- C22B7/005—Separation by a physical processing technique only, e.g. by mechanical breaking
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2100/00—Handling of exhaust gases produced during the manufacture of iron or steel
- C21B2100/40—Gas purification of exhaust gases to be recirculated or used in other metallurgical processes
- C21B2100/44—Removing particles, e.g. by scrubbing, dedusting
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2200/00—Recycling of non-gaseous waste material
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
- C22B7/02—Working-up flue dust
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Manufacture And Refinement Of Metals (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP23186885.2A EP4495271B1 (de) | 2023-07-21 | 2023-07-21 | Verfahren zum verwerten von bei einer direktreduktion von eisenerzträgern mit ammoniak enthaltendem oder daraus bestehendem reduktionsgas anfallenden fraktionen |
| ES23186885T ES3062717T3 (en) | 2023-07-21 | 2023-07-21 | Process for the utilization of fractions resulting from the direct reduction of iron ore supports with ammonia containing or a reduction gas composed of ammonia |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP23186885.2A EP4495271B1 (de) | 2023-07-21 | 2023-07-21 | Verfahren zum verwerten von bei einer direktreduktion von eisenerzträgern mit ammoniak enthaltendem oder daraus bestehendem reduktionsgas anfallenden fraktionen |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP4495271A1 EP4495271A1 (de) | 2025-01-22 |
| EP4495271C0 true EP4495271C0 (de) | 2025-12-03 |
| EP4495271B1 EP4495271B1 (de) | 2025-12-03 |
Family
ID=87429534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP23186885.2A Active EP4495271B1 (de) | 2023-07-21 | 2023-07-21 | Verfahren zum verwerten von bei einer direktreduktion von eisenerzträgern mit ammoniak enthaltendem oder daraus bestehendem reduktionsgas anfallenden fraktionen |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP4495271B1 (de) |
| ES (1) | ES3062717T3 (de) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA743869A (en) * | 1966-10-04 | J. Weinstein Norman | Ammonia synthesis process | |
| US20080307960A1 (en) * | 2005-03-11 | 2008-12-18 | Hendrickson David W | Air Pollutant Removal Using Magnetic Sorbent Particles |
| JP4502978B2 (ja) * | 2006-06-21 | 2010-07-14 | 日立マクセル株式会社 | 窒化鉄系磁性粉末材料及びその製造方法並びに磁気記録媒体 |
| CN101418370B (zh) * | 2008-11-21 | 2012-05-02 | 长沙市岳麓区东新科技开发有限公司 | 一种新的综合利用钒钛铁精矿的产业化方法 |
| JP6380736B2 (ja) | 2013-06-12 | 2018-08-29 | Tdk株式会社 | 窒化鉄系磁性粉及びそれを用いた磁石 |
-
2023
- 2023-07-21 ES ES23186885T patent/ES3062717T3/es active Active
- 2023-07-21 EP EP23186885.2A patent/EP4495271B1/de active Active
Also Published As
| Publication number | Publication date |
|---|---|
| EP4495271A1 (de) | 2025-01-22 |
| ES3062717T3 (en) | 2026-04-13 |
| EP4495271B1 (de) | 2025-12-03 |
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