SE414792B - Forfarande for framstellning av forreducerade jernoxidpelletter - Google Patents
Forfarande for framstellning av forreducerade jernoxidpelletterInfo
- Publication number
- SE414792B SE414792B SE7509161A SE7509161A SE414792B SE 414792 B SE414792 B SE 414792B SE 7509161 A SE7509161 A SE 7509161A SE 7509161 A SE7509161 A SE 7509161A SE 414792 B SE414792 B SE 414792B
- Authority
- SE
- Sweden
- Prior art keywords
- procedure
- oxide pellets
- preparing reduced
- preparing
- reduced
- 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
- C21B13/0046—Making spongy iron or liquid steel, by direct processes making metallised agglomerates or iron oxide
-
- 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
-
- 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
-
- 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
- C22B1/00—Preliminary treatment of ores or scrap
- C22B1/14—Agglomerating; Briquetting; Binding; Granulating
- C22B1/24—Binding; Briquetting ; Granulating
- C22B1/242—Binding; Briquetting ; Granulating with binders
- C22B1/244—Binding; Briquetting ; Granulating with binders organic
- C22B1/245—Binding; Briquetting ; Granulating with binders organic with carbonaceous material for the production of coked agglomerates
-
- 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)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Compounds Of Iron (AREA)
- Manufacture Of Iron (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/498,665 US3993472A (en) | 1974-08-19 | 1974-08-19 | Desulfurization of iron oxide pellets |
Publications (2)
Publication Number | Publication Date |
---|---|
SE7509161L SE7509161L (sv) | 1976-02-20 |
SE414792B true SE414792B (sv) | 1980-08-18 |
Family
ID=23982002
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7509161A SE414792B (sv) | 1974-08-19 | 1975-08-15 | Forfarande for framstellning av forreducerade jernoxidpelletter |
Country Status (7)
Country | Link |
---|---|
US (1) | US3993472A (no) |
JP (1) | JPS5442809B2 (no) |
CA (1) | CA1039510A (no) |
DE (1) | DE2536726C2 (no) |
FR (1) | FR2282473A2 (no) |
GB (1) | GB1523921A (no) |
SE (1) | SE414792B (no) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4248624A (en) * | 1979-04-26 | 1981-02-03 | Hylsa, S.A. | Use of prereduced ore in a blast furnace |
US4376647A (en) * | 1979-10-05 | 1983-03-15 | University Of Utah | Process for treating sulfide-bearing ores |
US5516358A (en) * | 1994-11-17 | 1996-05-14 | Pro-Tech Reclamation, Inc. | Method for the production of iron carbide |
BE1010766A3 (fr) * | 1996-11-25 | 1999-01-05 | Centre Rech Metallurgique | Procede pour fabriquer une eponge de fer a faible teneur en soufre. |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1923803A (en) * | 1930-10-16 | 1933-08-22 | Trent Process Corp | Briquette and method of producing same |
US2495225A (en) * | 1947-10-07 | 1950-01-24 | Russell C Buehl | Method for the production of low sulfur sponge iron |
US2939784A (en) * | 1958-09-26 | 1960-06-07 | Union Carbide Corp | Process for elimination of sulfur from metals |
US3642465A (en) * | 1969-06-16 | 1972-02-15 | Lummus Co | Process for the production of highly prereduced oxide pellets |
US3748116A (en) * | 1970-08-24 | 1973-07-24 | Bethlehem Steel Corp | Method for producing metallic iron powder from iron ore concentrate |
-
1974
- 1974-08-19 US US05/498,665 patent/US3993472A/en not_active Expired - Lifetime
-
1975
- 1975-08-08 CA CA233,166A patent/CA1039510A/en not_active Expired
- 1975-08-12 GB GB33633/75A patent/GB1523921A/en not_active Expired
- 1975-08-15 SE SE7509161A patent/SE414792B/xx not_active IP Right Cessation
- 1975-08-18 FR FR7525502A patent/FR2282473A2/fr active Granted
- 1975-08-18 JP JP10057675A patent/JPS5442809B2/ja not_active Expired
- 1975-08-18 DE DE2536726A patent/DE2536726C2/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US3993472A (en) | 1976-11-23 |
DE2536726A1 (de) | 1976-03-04 |
GB1523921A (en) | 1978-09-06 |
FR2282473A2 (fr) | 1976-03-19 |
JPS5442809B2 (no) | 1979-12-17 |
AU8387675A (en) | 1977-02-17 |
CA1039510A (en) | 1978-10-03 |
FR2282473B2 (no) | 1980-12-19 |
JPS5146600A (no) | 1976-04-21 |
SE7509161L (sv) | 1976-02-20 |
DE2536726C2 (de) | 1982-11-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |
Ref document number: 7509161-1 Effective date: 19880621 Format of ref document f/p: F |