FR2447973A1 - Procede pour diminuer la contamination, par du carbure d'aluminium, d'aluminium produit par des procedes carbothermiques - Google Patents
Procede pour diminuer la contamination, par du carbure d'aluminium, d'aluminium produit par des procedes carbothermiquesInfo
- Publication number
- FR2447973A1 FR2447973A1 FR8002104A FR8002104A FR2447973A1 FR 2447973 A1 FR2447973 A1 FR 2447973A1 FR 8002104 A FR8002104 A FR 8002104A FR 8002104 A FR8002104 A FR 8002104A FR 2447973 A1 FR2447973 A1 FR 2447973A1
- Authority
- FR
- France
- Prior art keywords
- aluminum
- reducing contamination
- carbide
- produced
- carbothermic processes
- 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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B1/00—Shaft or like vertical or substantially vertical furnaces
- F27B1/08—Shaft or like vertical or substantially vertical furnaces heated otherwise than by solid fuel mixed with charge
-
- 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
- C22B21/00—Obtaining aluminium
- C22B21/02—Obtaining aluminium with reducing
-
- 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
- C22B21/00—Obtaining aluminium
- C22B21/06—Obtaining aluminium refining
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- General Engineering & Computer Science (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Electrolytic Production Of Metals (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
- Carbon And Carbon Compounds (AREA)
Abstract
ON MET L'ALUMINIUM CARBURE, FONDU SOUS FORME D'UNE COUCHE 3 POUVANT CONTENIR EN POIDS JUSQU'A 30 DE ALC, EN CONTACT AVEC UNE COUCHE DE LAITIER FONDU 6 A HAUTE TENEUR EN ALUMINE EN L'ABSENCE DE CARBONE DOTE DE REACTIVITE, LA REACTION DE ALC AVEC L'ALUMINE DU LAITIER PROVOQUANT UNE DECARBURATION QUE L'ON PEUT AUSSI REALISER ET POUSSER PLUS FACILEMENT PLUS LOIN DANS UN FOUR ELECTRIQUE SEPARE.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/007,986 US4216010A (en) | 1979-01-31 | 1979-01-31 | Aluminum purification system |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2447973A1 true FR2447973A1 (fr) | 1980-08-29 |
FR2447973B1 FR2447973B1 (fr) | 1986-07-04 |
Family
ID=21729197
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8002104A Expired FR2447973B1 (fr) | 1979-01-31 | 1980-01-31 | Procede pour diminuer la contamination, par du carbure d'aluminium, d'aluminium produit par des procedes carbothermiques |
Country Status (8)
Country | Link |
---|---|
US (1) | US4216010A (fr) |
EP (1) | EP0126810A1 (fr) |
JP (2) | JPS55122835A (fr) |
AU (2) | AU533770B2 (fr) |
CA (2) | CA1141170A (fr) |
DE (1) | DE3001722A1 (fr) |
FR (1) | FR2447973B1 (fr) |
GB (1) | GB2041981B (fr) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4216010A (en) * | 1979-01-31 | 1980-08-05 | Reynolds Metals Company | Aluminum purification system |
DE2948640C2 (de) * | 1979-12-04 | 1984-12-20 | Vereinigte Aluminium-Werke AG, 1000 Berlin und 5300 Bonn | Verfahren und Vorrichtung zur thermischen Gewinnung von Aluminium |
US4299619A (en) * | 1980-02-28 | 1981-11-10 | Aluminum Company Of America | Energy efficient production of aluminum by carbothermic reduction of alumina |
US4385930A (en) * | 1981-02-02 | 1983-05-31 | Reynolds Metals Co. | Method of producing aluminum |
US4447906A (en) * | 1981-02-02 | 1984-05-08 | Lectromelt Corporation | Arc furnace for producing aluminum |
SE450898B (sv) * | 1981-09-03 | 1987-08-10 | Skf Steel Eng Ab | Sett vid anvendning av en plasmagenerator for tillforsel av vermeenergi, samt anordning for genomforande av settet |
US4409021A (en) * | 1982-05-06 | 1983-10-11 | Reynolds Metals Company | Slag decarbonization with a phase inversion |
US4486229A (en) * | 1983-03-07 | 1984-12-04 | Aluminum Company Of America | Carbothermic reduction with parallel heat sources |
US4491472A (en) * | 1983-03-07 | 1985-01-01 | Aluminum Company Of America | Carbothermic reduction and prereduced charge for producing aluminum-silicon alloys |
US4765831A (en) * | 1986-12-24 | 1988-08-23 | Aluminum Company Of America | Process for production of alkaline earth metal by carbothermic production of alkaline earth metal aluminide and stripping of alkaline earth metal from alkaline earth metal aluminide with nitrogen stripping agent |
US4812168A (en) * | 1986-12-24 | 1989-03-14 | Aluminum Company Of America | Process for carbothermic production of alkaline earth metal aluminide and recovery of same |
US4765832A (en) * | 1986-12-24 | 1988-08-23 | Aluminum Company Of America | Process for carbothermic production of calcium aluminide using slag containing calcium aluminate |
US4769069A (en) * | 1986-12-24 | 1988-09-06 | Aluminum Company Of America | Process for production of aluminum by carbothermic production of alkaline earth metal aluminide and stripping of aluminum from alkaline earth metal aluminide with halide stripping agent |
US4769068A (en) * | 1986-12-24 | 1988-09-06 | Aluminum Company Of America | Process for production of aluminum by carbothermic production of alkaline earth metal aluminide and stripping of aluminum from alkaline earth metal aluminide with sulfurous stripping agent |
US4735654A (en) * | 1986-12-24 | 1988-04-05 | Aluminum Company Of America | Process for reduction of metal compounds by reaction with alkaline earth metal aluminide |
US4769067A (en) * | 1986-12-24 | 1988-09-06 | Aluminum Company Of America | Process for production of aluminum by carbothermic production of an alkaline earth metal aluminide such as calcium aluminide and recycling of reactant byproducts |
US4770696A (en) * | 1986-12-24 | 1988-09-13 | Aluminum Company Of America | Process for carbothermic production of calcium aluminide using calcium carbide |
US20050254543A1 (en) * | 2004-05-13 | 2005-11-17 | Sgl Carbon Ag | Lining for carbothermic reduction furnace |
US20060042413A1 (en) * | 2004-09-01 | 2006-03-02 | Fruehan Richard J | Method using single furnace carbothermic reduction with temperature control within the furnace |
US9068246B2 (en) * | 2008-12-15 | 2015-06-30 | Alcon Inc. | Decarbonization process for carbothermically produced aluminum |
US8696978B2 (en) * | 2011-10-20 | 2014-04-15 | Allan Macrae | Elastically interconnected cooler compressed hearth and walls |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR628495A (fr) * | 1926-02-08 | 1927-10-24 | Elek Zitatswerk Lonza | Procédé d'épuration de l'aluminium et de ses alliages |
CH152650A (de) * | 1933-11-10 | 1932-02-15 | Lonza Ag | Verfahren zum Reinigen von Aluminium und dessen Legierungen. |
US2829961A (en) * | 1955-03-14 | 1958-04-08 | Aluminum Co Of America | Producing aluminum |
FR1461309A (fr) * | 1959-11-18 | 1966-02-25 | Pechiney Prod Chimiques Sa | Traitement des mélanges aluminium-carbure d'aluminium |
FR2152440A1 (en) * | 1971-09-15 | 1973-04-27 | Reynolds Metals Co | Carbothermic prodn of aluminium |
US3971653A (en) * | 1974-12-09 | 1976-07-27 | Aluminum Company Of America | Carbothermic production of aluminum |
FR2323769A1 (fr) * | 1975-09-09 | 1977-04-08 | Reynolds Metals Co | Procede pour abaisser le degre de contamination de l'aluminium produit par des procedes carbothermiques |
FR2330772A1 (fr) * | 1975-11-07 | 1977-06-03 | Reynolds Metals Co | Perfectionnements aux procedes pour la production de l'aluminium |
US4033757A (en) * | 1975-09-05 | 1977-07-05 | Reynolds Metals Company | Carbothermic reduction process |
FR2352889A1 (fr) * | 1976-05-28 | 1977-12-23 | Alcan Res & Dev | Procede perfectionne pour la fabrication d'aluminium |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB265563A (en) * | 1926-02-08 | 1927-08-18 | Metallbank & Metallurg Ges Ag | Process of purifying aluminium and its alloys |
US2974032A (en) * | 1960-02-24 | 1961-03-07 | Pechiney | Reduction of alumina |
US4334917A (en) * | 1980-04-16 | 1982-06-15 | Reynolds Metals Company | Carbothermic reduction furnace |
US4216010A (en) * | 1979-01-31 | 1980-08-05 | Reynolds Metals Company | Aluminum purification system |
-
1979
- 1979-01-31 US US06/007,986 patent/US4216010A/en not_active Expired - Lifetime
- 1979-12-20 AU AU54097/79A patent/AU533770B2/en not_active Ceased
-
1980
- 1980-01-16 GB GB8001510A patent/GB2041981B/en not_active Expired
- 1980-01-18 DE DE19803001722 patent/DE3001722A1/de not_active Withdrawn
- 1980-01-30 JP JP987880A patent/JPS55122835A/ja active Granted
- 1980-01-30 CA CA000344651A patent/CA1141170A/fr not_active Expired
- 1980-01-31 FR FR8002104A patent/FR2447973B1/fr not_active Expired
-
1983
- 1983-05-04 CA CA000427369A patent/CA1212241A/fr not_active Expired
- 1983-05-05 AU AU14264/83A patent/AU559202B2/en not_active Expired - Fee Related
- 1983-05-20 EP EP83302911A patent/EP0126810A1/fr not_active Withdrawn
- 1983-05-20 JP JP58089890A patent/JPS59215430A/ja active Pending
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR628495A (fr) * | 1926-02-08 | 1927-10-24 | Elek Zitatswerk Lonza | Procédé d'épuration de l'aluminium et de ses alliages |
CH152650A (de) * | 1933-11-10 | 1932-02-15 | Lonza Ag | Verfahren zum Reinigen von Aluminium und dessen Legierungen. |
US2829961A (en) * | 1955-03-14 | 1958-04-08 | Aluminum Co Of America | Producing aluminum |
FR1461309A (fr) * | 1959-11-18 | 1966-02-25 | Pechiney Prod Chimiques Sa | Traitement des mélanges aluminium-carbure d'aluminium |
FR2152440A1 (en) * | 1971-09-15 | 1973-04-27 | Reynolds Metals Co | Carbothermic prodn of aluminium |
US3971653A (en) * | 1974-12-09 | 1976-07-27 | Aluminum Company Of America | Carbothermic production of aluminum |
US4033757A (en) * | 1975-09-05 | 1977-07-05 | Reynolds Metals Company | Carbothermic reduction process |
FR2323769A1 (fr) * | 1975-09-09 | 1977-04-08 | Reynolds Metals Co | Procede pour abaisser le degre de contamination de l'aluminium produit par des procedes carbothermiques |
FR2330772A1 (fr) * | 1975-11-07 | 1977-06-03 | Reynolds Metals Co | Perfectionnements aux procedes pour la production de l'aluminium |
FR2352889A1 (fr) * | 1976-05-28 | 1977-12-23 | Alcan Res & Dev | Procede perfectionne pour la fabrication d'aluminium |
Also Published As
Publication number | Publication date |
---|---|
AU533770B2 (en) | 1983-12-08 |
GB2041981B (en) | 1983-01-26 |
FR2447973B1 (fr) | 1986-07-04 |
DE3001722A1 (de) | 1980-09-04 |
US4216010A (en) | 1980-08-05 |
JPS55122835A (en) | 1980-09-20 |
JPS6261657B2 (fr) | 1987-12-22 |
JPS59215430A (ja) | 1984-12-05 |
EP0126810A1 (fr) | 1984-12-05 |
AU1426483A (en) | 1984-11-08 |
AU559202B2 (en) | 1987-02-26 |
GB2041981A (en) | 1980-09-17 |
CA1141170A (fr) | 1983-02-15 |
CA1212241A (fr) | 1986-10-07 |
AU5409779A (en) | 1980-08-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |