MA18949A1 - Procede de reduction directe d'oxydes de fer pour l'obtention de fer metallique - Google Patents
Procede de reduction directe d'oxydes de fer pour l'obtention de fer metalliqueInfo
- Publication number
- MA18949A1 MA18949A1 MA19150A MA19150A MA18949A1 MA 18949 A1 MA18949 A1 MA 18949A1 MA 19150 A MA19150 A MA 19150A MA 19150 A MA19150 A MA 19150A MA 18949 A1 MA18949 A1 MA 18949A1
- Authority
- MA
- Morocco
- Prior art keywords
- iron
- direct reduction
- obtain metal
- oxides
- iron oxides
- Prior art date
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
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2100/00—Handling of exhaust gases produced during the manufacture of iron or steel
- C21B2100/20—Increasing the gas reduction potential of recycled exhaust gases
- C21B2100/22—Increasing the gas reduction potential of recycled exhaust gases by reforming
-
- 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
- C21B2100/20—Increasing the gas reduction potential of recycled exhaust gases
- C21B2100/26—Increasing the gas reduction potential of recycled exhaust gases by adding additional fuel in recirculation pipes
-
- 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
- C21B2100/60—Process control or energy utilisation in the manufacture of iron or steel
- C21B2100/66—Heat exchange
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/10—Reduction of greenhouse gas [GHG] emissions
- Y02P10/134—Reduction of greenhouse gas [GHG] emissions by avoiding CO2, e.g. using hydrogen
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/10—Reduction of greenhouse gas [GHG] emissions
- Y02P10/143—Reduction of greenhouse gas [GHG] emissions of methane [CH4]
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture Of Iron (AREA)
- Hydrogen, Water And Hydrids (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11680179A JPS5540683A (en) | 1978-09-16 | 1979-09-11 | 88chloroo5*6*7*88tetrahydroo22 quinolone and 88bromoo5*6*7*88tetrahydroo22quinolone* its chloric salt or hydrobromic salt and their manufacture |
Publications (1)
Publication Number | Publication Date |
---|---|
MA18949A1 true MA18949A1 (fr) | 1981-04-01 |
Family
ID=14695996
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MA19150A MA18949A1 (fr) | 1979-09-11 | 1980-09-10 | Procede de reduction directe d'oxydes de fer pour l'obtention de fer metallique |
Country Status (6)
Country | Link |
---|---|
US (1) | US4348226A (fr) |
AU (1) | AU541488B2 (fr) |
BR (1) | BR8005785A (fr) |
GB (1) | GB2064590B (fr) |
IN (1) | IN153271B (fr) |
MA (1) | MA18949A1 (fr) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4439233A (en) * | 1983-05-09 | 1984-03-27 | Midrex Corporation | Direct reduction of iron |
US4528030A (en) * | 1983-05-16 | 1985-07-09 | Hylsa, S.A. | Method of reducing iron ore |
AU582897B2 (en) * | 1985-09-12 | 1989-04-13 | Duncan Seddon | Reduction process utilizing natural gas |
US4752329A (en) * | 1986-03-21 | 1988-06-21 | Midrex International B.V. Rotterdam, Zurich Branch | Apparatus and method for increasing carbon content of hot directly reduced iron |
US4702766A (en) * | 1986-03-21 | 1987-10-27 | Midrex International, B.V. Rotterdam, Zurich Branch | Method of increasing carbon content of direct reduced iron and apparatus |
US4834792A (en) * | 1986-08-21 | 1989-05-30 | Hylsa S.A. De C.V. | Method for producing hot sponge iron by introducing hydrocarbon for carburizing into reduction zone |
GB2452712A (en) * | 2007-09-11 | 2009-03-18 | Yadollah Saboohi | Use of a cyclonic heat exchanger in the production of sponge iron |
CN105492376A (zh) * | 2013-07-22 | 2016-04-13 | 沙特基础工业公司 | 炉顶气在直接还原工艺中的使用 |
CN113502361A (zh) * | 2021-07-07 | 2021-10-15 | 山西晋南钢铁集团有限公司 | 一种高炉炼铁用氢气的自重整系统及方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1021774B (it) * | 1974-10-11 | 1978-02-20 | Centro Speriment Metallurg | Processo per la preparazione di gas riducenti |
US4099963A (en) * | 1974-10-18 | 1978-07-11 | Fierro Esponja, S.A. | Method for the batchwise reduction of metal ores |
JPS5847449B2 (ja) * | 1978-04-10 | 1983-10-22 | 株式会社神戸製鋼所 | 直接製鉄法 |
-
1980
- 1980-09-08 GB GB8028930A patent/GB2064590B/en not_active Expired
- 1980-09-10 BR BR8005785A patent/BR8005785A/pt not_active IP Right Cessation
- 1980-09-10 MA MA19150A patent/MA18949A1/fr unknown
- 1980-09-10 AU AU62194/80A patent/AU541488B2/en not_active Ceased
- 1980-09-11 US US06/186,131 patent/US4348226A/en not_active Expired - Lifetime
- 1980-09-23 IN IN1078/CAL/80A patent/IN153271B/en unknown
Also Published As
Publication number | Publication date |
---|---|
BR8005785A (pt) | 1981-03-24 |
AU541488B2 (en) | 1985-01-10 |
AU6219480A (en) | 1981-03-19 |
IN153271B (fr) | 1984-06-23 |
US4348226A (en) | 1982-09-07 |
GB2064590A (en) | 1981-06-17 |
GB2064590B (en) | 1984-07-25 |
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