FI40291B - - Google Patents
Info
- Publication number
- FI40291B FI40291B FI0390/62A FI39062A FI40291B FI 40291 B FI40291 B FI 40291B FI 0390/62 A FI0390/62 A FI 0390/62A FI 39062 A FI39062 A FI 39062A FI 40291 B FI40291 B FI 40291B
- Authority
- FI
- Finland
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B25/00—Phosphorus; Compounds thereof
- C01B25/003—Phosphorus
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B25/00—Phosphorus; Compounds thereof
- C01B25/01—Treating phosphate ores or other raw phosphate materials to obtain phosphorus or phosphorus compounds
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/90—Carbides
- C01B32/914—Carbides of single elements
- C01B32/942—Calcium carbide
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/08—Making spongy iron or liquid steel, by direct processes in rotary 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
- C21B13/10—Making spongy iron or liquid steel, by direct processes in hearth-type furnaces
- C21B13/105—Rotary hearth-type furnaces
-
- 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
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Geology (AREA)
- Geochemistry & Mineralogy (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Muffle Furnaces And Rotary Kilns (AREA)
- Electrically Operated Instructional Devices (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NO139223A NO118749B (en) | 1961-02-24 | 1961-02-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
FI40291B true FI40291B (en) | 1968-09-02 |
Family
ID=19908569
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI0390/62A FI40291B (en) | 1961-02-24 | 1962-02-23 |
Country Status (5)
Country | Link |
---|---|
US (1) | US3197303A (en) |
ES (1) | ES274865A2 (en) |
FI (1) | FI40291B (en) |
GB (1) | GB935353A (en) |
NO (1) | NO118749B (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1345641A (en) * | 1962-10-16 | 1963-12-13 | Electro Chimie Soc D | Method and device for the reduction of iron ore |
DE1261527B (en) * | 1962-12-07 | 1968-02-22 | Metallgesellschaft Ag | Process for the reduction of oxidic iron ores |
US3272616A (en) * | 1963-12-30 | 1966-09-13 | Int Nickel Co | Method for recovering nickel from oxide ores |
DE1224337B (en) * | 1964-10-09 | 1966-09-08 | Metallgesellschaft Ag | Method of making sponge iron |
US3407059A (en) * | 1965-04-22 | 1968-10-22 | Selas Corp Of America | Reducing a mixture of ores and carbon |
PE20020070A1 (en) * | 2000-03-30 | 2002-02-05 | Midrex Internat B V | METHOD OF PRODUCING METAL IRON AND RAW MATERIAL FEEDING DEVICE |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US890563A (en) * | 1908-02-06 | 1908-06-09 | George A St Clair | Method of treating cooper ores. |
US2593398A (en) * | 1943-06-11 | 1952-04-22 | Kalling Bo Michael Sture | Method of reducing ores without melting |
US2484911A (en) * | 1945-04-21 | 1949-10-18 | Seil Frances Merritt | Rotary kiln |
US2754197A (en) * | 1952-09-26 | 1956-07-10 | Wienert Fritz Otto | Method and a rotary kiln for the manufacture of sponge iron |
US3029141A (en) * | 1960-03-21 | 1962-04-10 | Canada Steel Co | Process for the reduction of iron oxide |
-
1961
- 1961-02-24 NO NO139223A patent/NO118749B/no unknown
-
1962
- 1962-02-15 US US173539A patent/US3197303A/en not_active Expired - Lifetime
- 1962-02-23 ES ES0274865A patent/ES274865A2/en not_active Expired
- 1962-02-23 FI FI0390/62A patent/FI40291B/fi active
- 1962-02-23 GB GB7228/62A patent/GB935353A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
NO118749B (en) | 1970-02-09 |
ES274865A2 (en) | 1962-04-16 |
US3197303A (en) | 1965-07-27 |
GB935353A (en) | 1963-08-28 |