FR2450279B1 - - Google Patents
Info
- Publication number
- FR2450279B1 FR2450279B1 FR7905326A FR7905326A FR2450279B1 FR 2450279 B1 FR2450279 B1 FR 2450279B1 FR 7905326 A FR7905326 A FR 7905326A FR 7905326 A FR7905326 A FR 7905326A FR 2450279 B1 FR2450279 B1 FR 2450279B1
- Authority
- FR
- France
- 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.)
- Expired
Links
Classifications
-
- 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
- C22B1/02—Roasting processes
- C22B1/10—Roasting processes in fluidised form
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- 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
- C22B1/02—Roasting processes
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7905326A FR2450279A1 (fr) | 1979-03-01 | 1979-03-01 | Procede d'attaque chimique en atmosphere gazeuse controlee et a haute temperature d'un minerai et installation pour la mise en oeuvre de ce procede |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7905326A FR2450279A1 (fr) | 1979-03-01 | 1979-03-01 | Procede d'attaque chimique en atmosphere gazeuse controlee et a haute temperature d'un minerai et installation pour la mise en oeuvre de ce procede |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2450279A1 FR2450279A1 (fr) | 1980-09-26 |
FR2450279B1 true FR2450279B1 (fi) | 1982-10-01 |
Family
ID=9222626
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7905326A Granted FR2450279A1 (fr) | 1979-03-01 | 1979-03-01 | Procede d'attaque chimique en atmosphere gazeuse controlee et a haute temperature d'un minerai et installation pour la mise en oeuvre de ce procede |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2450279A1 (fi) |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3190744A (en) * | 1963-01-09 | 1965-06-22 | Northern Natural Gas Co | Process for magnetic reduction of iron ore |
DE1433291A1 (de) * | 1964-03-09 | 1968-11-07 | Armco Steel Corp | Wirbelschichtreduktion von fein zerteiltem Eisenerz und dazu verwendete Einrichtung |
US3276858A (en) * | 1964-12-07 | 1966-10-04 | Pullman Inc | Method for carrying out gas-solids reactions |
FR1529136A (fr) * | 1967-06-23 | 1968-06-14 | Exxon Research Engineering Co | Procédé de réduction de minerais de fer par mise en contact avec des gaz réducteurs |
IT1013498B (it) * | 1974-06-17 | 1977-03-30 | Centro Speriment Metallurg | Procedimento per la riduzione di minerali di ferro |
IT1041142B (it) * | 1975-08-05 | 1980-01-10 | Italimpianti Spa | Perfezionamento al processo di riduzione diretta id minerali di ferro in reattor a letto fluido |
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1979
- 1979-03-01 FR FR7905326A patent/FR2450279A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2450279A1 (fr) | 1980-09-26 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |