FR2450279A1 - 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 - Google Patents
Procede d'attaque chimique en atmosphere gazeuse controlee et a haute temperature d'un minerai et installation pour la mise en oeuvre de ce procedeInfo
- Publication number
- FR2450279A1 FR2450279A1 FR7905326A FR7905326A FR2450279A1 FR 2450279 A1 FR2450279 A1 FR 2450279A1 FR 7905326 A FR7905326 A FR 7905326A FR 7905326 A FR7905326 A FR 7905326A FR 2450279 A1 FR2450279 A1 FR 2450279A1
- Authority
- FR
- France
- Prior art keywords
- gas
- mixt
- ore
- heat
- particles
- Prior art date
- 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.)
- Granted
Links
- 239000007789 gas Substances 0.000 abstract 8
- 239000002245 particle Substances 0.000 abstract 4
- 238000010438 heat treatment Methods 0.000 abstract 2
- 238000007865 diluting Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 238000004064 recycling Methods 0.000 abstract 1
- 239000007787 solid Substances 0.000 abstract 1
- 239000000725 suspension Substances 0.000 abstract 1
- 231100000331 toxic Toxicity 0.000 abstract 1
- 230000002588 toxic effect Effects 0.000 abstract 1
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
-
- 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 true FR2450279A1 (fr) | 1980-09-26 |
| FR2450279B1 FR2450279B1 (enrdf_load_stackoverflow) | 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 (enrdf_load_stackoverflow) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1378748A (fr) * | 1963-01-09 | 1964-11-13 | Northern Natural Gas Co | Procédé de réduction en magnétite des minerais ferrugineux |
| 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 |
| DE1433291A1 (de) * | 1964-03-09 | 1968-11-07 | Armco Steel Corp | Wirbelschichtreduktion von fein zerteiltem Eisenerz und dazu verwendete Einrichtung |
| US3985547A (en) * | 1974-06-17 | 1976-10-12 | Centro Sperimentale Metallurgico S.P.A. | Iron ore reduction in multiple fluidized beds |
| FR2320351A1 (fr) * | 1975-08-05 | 1977-03-04 | Centro Speriment Metallurg | Procede de reduction directe de minerais de fer dans des reacteurs a lit fluidise et produits obtenus |
-
1979
- 1979-03-01 FR FR7905326A patent/FR2450279A1/fr active Granted
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1378748A (fr) * | 1963-01-09 | 1964-11-13 | Northern Natural Gas Co | Procédé de réduction en magnétite des minerais ferrugineux |
| 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 |
| US3985547A (en) * | 1974-06-17 | 1976-10-12 | Centro Sperimentale Metallurgico S.P.A. | Iron ore reduction in multiple fluidized beds |
| FR2320351A1 (fr) * | 1975-08-05 | 1977-03-04 | Centro Speriment Metallurg | Procede de reduction directe de minerais de fer dans des reacteurs a lit fluidise et produits obtenus |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2450279B1 (enrdf_load_stackoverflow) | 1982-10-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4288420A (en) | Removal of nitrogen oxides and sulfur oxides by ammonia | |
| JPS5725417A (en) | Heat-treating apparatus for preparing carbon fiber | |
| FR2450279A1 (fr) | 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 | |
| ES8302108A1 (es) | Metodo y su aparato correspondiente para reducir nenas metalicas en forma de particulas en metal esponjoso. | |
| JPS5758012A (en) | Method and device for waste gas treatment | |
| JPS5675508A (en) | Heating or heat reducing method of converter charge raw material utilizing converter exhaust gas | |
| GB2003128A (en) | Process and apparatus for the combined treatment of solid waste and waste water | |
| JPS51111941A (en) | Utilization method of exhaust heat of heating furnace & heating furnac e structured to utilize exhaust heat | |
| YU274079A (en) | Method of removing undesired gaseous components from hot waste gases | |
| ES8106762A1 (es) | Procedimiento para el tratamiento termico en horno de meta- les | |
| FR2418422A1 (fr) | Procede de stockage et de restitution d'energie utilisant les reactions de decarbonatation du carbonate de calcium et de carbonatation de la chaux ainsi obtenue, et unites pour la mise en oeuvre de ce procede | |
| JPS569324A (en) | Supply of atmospheric gas to continuous heat treatment furnace | |
| JPS5615843A (en) | Regeneration of denitrification catalyst | |
| JPS5710330A (en) | Gaseous atmosphere producing device utilizing waste gas of nonoxidative furnace | |
| BR9812421A (pt) | Método para produzir carbeto de ferro | |
| JPS57187523A (en) | Reheating method of treated gas in flue gas desulfurization | |
| JPS55104433A (en) | Continuous heat treating apparatus | |
| FR2441138A1 (fr) | Procedes et appareils de sechage et de prechauffage de particules metalliques de petites dimensions | |
| JPS56142314A (en) | Scrap preheating method and device therefor | |
| JPS53133513A (en) | Operating method for continuous heat treatment furnace | |
| JPS5313601A (en) | Method for treating and utilizing waste gases from coke ovens | |
| JPS57136919A (en) | Method for regulating gaseous temperature in stack gas desulfurization | |
| JPH0582352B2 (enrdf_load_stackoverflow) | ||
| JPS56165822A (en) | Treatment for hydrocarbon gas | |
| ES8307279A1 (es) | "procedimiento para el caldeo de hornos de coque e instalacion para la realizacion del procedimiento". |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |