JPS5523882B1 - - Google Patents
Info
- Publication number
- JPS5523882B1 JPS5523882B1 JP4386971A JP4386971A JPS5523882B1 JP S5523882 B1 JPS5523882 B1 JP S5523882B1 JP 4386971 A JP4386971 A JP 4386971A JP 4386971 A JP4386971 A JP 4386971A JP S5523882 B1 JPS5523882 B1 JP S5523882B1
- Authority
- JP
- Japan
- 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.)
- Pending
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
- C21B13/14—Multi-stage processes processes carried out in different vessels or furnaces
- C21B13/146—Multi-step reduction without melting
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture Of Iron (AREA)
- Manufacture And Refinement Of Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US4764870A | 1970-06-19 | 1970-06-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5523882B1 true JPS5523882B1 (enExample) | 1980-06-25 |
Family
ID=21950150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4386971A Pending JPS5523882B1 (enExample) | 1970-06-19 | 1971-06-18 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3709679A (enExample) |
| JP (1) | JPS5523882B1 (enExample) |
| FR (1) | FR2095372B1 (enExample) |
| GB (1) | GB1349477A (enExample) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3844770A (en) * | 1971-09-17 | 1974-10-29 | I Nixon | Manufacture of steel and ferrous alloys |
| IT1119296B (it) * | 1979-06-25 | 1986-03-10 | Fiat Ricerche | Procedimento per la produzione di polvere di ferro |
| AT406271B8 (de) | 1997-08-18 | 2000-05-25 | Voest Alpine Ind Anlagen | Verfahren und anlage zur direktreduktion von teilchenförmigem eisenoxidhältigem material |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2921848A (en) * | 1957-11-21 | 1960-01-19 | United States Steel Corp | Fluidized-bed reduction of ore |
| US3076702A (en) * | 1958-12-30 | 1963-02-05 | Exxon Research Engineering Co | Iron oxide reduction in stages with varied gas streams |
| FR1345641A (fr) * | 1962-10-16 | 1963-12-13 | Electro Chimie Soc D | Procédé et dispositif pour la réduction des minerais de fer |
| US3374087A (en) * | 1965-11-10 | 1968-03-19 | Exxon Research Engineering Co | Production of iron |
| US3364010A (en) * | 1965-11-29 | 1968-01-16 | Exxon Research Engineering Co | Iron ore reduction |
| US3479232A (en) * | 1966-09-20 | 1969-11-18 | Exxon Research Engineering Co | Passivation of metals |
| US3511642A (en) * | 1966-11-17 | 1970-05-12 | Exxon Research Engineering Co | Fluid iron ore reduction with inverse temperature staging |
-
1970
- 1970-06-19 US US00047648A patent/US3709679A/en not_active Expired - Lifetime
-
1971
- 1971-06-09 GB GB1967871*[A patent/GB1349477A/en not_active Expired
- 1971-06-18 FR FR7122369A patent/FR2095372B1/fr not_active Expired
- 1971-06-18 JP JP4386971A patent/JPS5523882B1/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| GB1349477A (en) | 1974-04-03 |
| US3709679A (en) | 1973-01-09 |
| FR2095372B1 (enExample) | 1975-07-11 |
| FR2095372A1 (enExample) | 1972-02-11 |