DE2724168C2 - Verfahren zur kontinuierlichen carbothermischen Reduktion von Aluminiumoxid - Google Patents
Verfahren zur kontinuierlichen carbothermischen Reduktion von AluminiumoxidInfo
- Publication number
- DE2724168C2 DE2724168C2 DE2724168A DE2724168A DE2724168C2 DE 2724168 C2 DE2724168 C2 DE 2724168C2 DE 2724168 A DE2724168 A DE 2724168A DE 2724168 A DE2724168 A DE 2724168A DE 2724168 C2 DE2724168 C2 DE 2724168C2
- Authority
- DE
- Germany
- Prior art keywords
- reaction
- zone
- aluminum
- stage
- melt
- 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.)
- Expired
Links
- 238000000034 method Methods 0.000 title claims description 31
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 title claims description 25
- 230000008569 process Effects 0.000 title claims description 17
- 230000009467 reduction Effects 0.000 title claims description 8
- 238000006243 chemical reaction Methods 0.000 claims description 90
- 239000007789 gas Substances 0.000 claims description 51
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 37
- 229910052782 aluminium Inorganic materials 0.000 claims description 33
- 238000010438 heat treatment Methods 0.000 claims description 27
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 22
- 229910052799 carbon Inorganic materials 0.000 claims description 22
- CAVCGVPGBKGDTG-UHFFFAOYSA-N alumanylidynemethyl(alumanylidynemethylalumanylidenemethylidene)alumane Chemical compound [Al]#C[Al]=C=[Al]C#[Al] CAVCGVPGBKGDTG-UHFFFAOYSA-N 0.000 claims description 10
- 239000000155 melt Substances 0.000 claims description 10
- 229910052751 metal Inorganic materials 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 10
- 230000007704 transition Effects 0.000 claims description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims 1
- 229910002090 carbon oxide Inorganic materials 0.000 claims 1
- 239000002893 slag Substances 0.000 description 52
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 20
- 239000000779 smoke Substances 0.000 description 10
- 239000007788 liquid Substances 0.000 description 9
- 229910002091 carbon monoxide Inorganic materials 0.000 description 8
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 238000001816 cooling Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 229910016384 Al4C3 Inorganic materials 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 230000003068 static effect Effects 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000003575 carbonaceous material Substances 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 239000000571 coke Substances 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000013021 overheating Methods 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000000391 smoking effect Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- PCTMTFRHKVHKIS-BMFZQQSSSA-N (1s,3r,4e,6e,8e,10e,12e,14e,16e,18s,19r,20r,21s,25r,27r,30r,31r,33s,35r,37s,38r)-3-[(2r,3s,4s,5s,6r)-4-amino-3,5-dihydroxy-6-methyloxan-2-yl]oxy-19,25,27,30,31,33,35,37-octahydroxy-18,20,21-trimethyl-23-oxo-22,39-dioxabicyclo[33.3.1]nonatriaconta-4,6,8,10 Chemical compound C1C=C2C[C@@H](OS(O)(=O)=O)CC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@H]([C@H](C)CCCC(C)C)[C@@]1(C)CC2.O[C@H]1[C@@H](N)[C@H](O)[C@@H](C)O[C@H]1O[C@H]1/C=C/C=C/C=C/C=C/C=C/C=C/C=C/[C@H](C)[C@@H](O)[C@@H](C)[C@H](C)OC(=O)C[C@H](O)C[C@H](O)CC[C@@H](O)[C@H](O)C[C@H](O)C[C@](O)(C[C@H](O)[C@H]2C(O)=O)O[C@H]2C1 PCTMTFRHKVHKIS-BMFZQQSSSA-N 0.000 description 1
- 241001676573 Minium Species 0.000 description 1
- 101100400378 Mus musculus Marveld2 gene Proteins 0.000 description 1
- 229910002796 Si–Al Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000006399 behavior Effects 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- WMWXXXSCZVGQAR-UHFFFAOYSA-N dialuminum;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3] WMWXXXSCZVGQAR-UHFFFAOYSA-N 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 150000002506 iron compounds Chemical class 0.000 description 1
- 239000012768 molten material Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000010587 phase diagram Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 239000012495 reaction gas Substances 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 238000011946 reduction process Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000005201 scrubbing Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000003832 thermite Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 150000004684 trihydrates Chemical class 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 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
- C22B21/00—Obtaining aluminium
- C22B21/02—Obtaining aluminium with reducing
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S75/00—Specialized metallurgical processes, compositions for use therein, consolidated metal powder compositions, and loose metal particulate mixtures
- Y10S75/959—Thermit-type reaction of solid materials only to yield molten metal
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S75/00—Specialized metallurgical processes, compositions for use therein, consolidated metal powder compositions, and loose metal particulate mixtures
- Y10S75/961—Treating flue dust to obtain metal other than by consolidation
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Manufacturing & Machinery (AREA)
- Electrolytic Production Of Metals (AREA)
- Furnace Details (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Carbon And Carbon Compounds (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
- Manufacture Of Alloys Or Alloy Compounds (AREA)
- Chemical Vapour Deposition (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB22474/76A GB1590431A (en) | 1976-05-28 | 1976-05-28 | Process for the production of aluminium |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2724168A1 DE2724168A1 (de) | 1977-12-08 |
| DE2724168C2 true DE2724168C2 (de) | 1985-09-19 |
Family
ID=10179958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2724168A Expired DE2724168C2 (de) | 1976-05-28 | 1977-05-27 | Verfahren zur kontinuierlichen carbothermischen Reduktion von Aluminiumoxid |
Country Status (16)
| Country | Link |
|---|---|
| US (2) | US4099959A (enExample) |
| JP (1) | JPS52146708A (enExample) |
| AU (1) | AU509732B2 (enExample) |
| BR (1) | BR7703468A (enExample) |
| CA (1) | CA1084974A (enExample) |
| CH (1) | CH637164A5 (enExample) |
| DE (1) | DE2724168C2 (enExample) |
| ES (1) | ES459180A1 (enExample) |
| FR (1) | FR2352889A1 (enExample) |
| GB (1) | GB1590431A (enExample) |
| HU (1) | HU176637B (enExample) |
| IN (1) | IN155948B (enExample) |
| NL (1) | NL7705872A (enExample) |
| NO (1) | NO152566C (enExample) |
| PL (1) | PL198446A1 (enExample) |
| SU (1) | SU1055340A3 (enExample) |
Families Citing this family (33)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2720122C2 (de) * | 1977-05-05 | 1987-04-02 | Aluminium-Walzwerke Singen Gmbh, 7700 Singen | Strangpresse zum Herstellen von Profilen aus draht- oder Stangenförmigem Ausgangsprofil |
| US4224054A (en) * | 1977-11-28 | 1980-09-23 | Alcan Research And Development Limited | Process for the production of aluminium |
| US4224055A (en) * | 1977-11-28 | 1980-09-23 | Alcan Research And Development Limited | Process for the production of aluminium |
| US4245822A (en) * | 1977-11-28 | 1981-01-20 | Alcan Research And Development Limited | Process for the production of aluminium |
| US4226618A (en) * | 1978-08-21 | 1980-10-07 | Alcan Research And Development Limited | Carbothermic production of aluminium |
| US4216010A (en) * | 1979-01-31 | 1980-08-05 | Reynolds Metals Company | Aluminum purification system |
| GB2048310A (en) * | 1979-04-10 | 1980-12-10 | Alcan Res & Dev | Carbothermic production of aluminium |
| US4224059A (en) * | 1979-08-07 | 1980-09-23 | Alcan Research And Development Limited | Carbothermic production of aluminium |
| JPS603002Y2 (ja) * | 1980-01-30 | 1985-01-28 | 富士重工業株式会社 | 自動車用ブレ−キの液圧保持装置 |
| US4299619A (en) * | 1980-02-28 | 1981-11-10 | Aluminum Company Of America | Energy efficient production of aluminum by carbothermic reduction of alumina |
| US4981668A (en) * | 1986-04-29 | 1991-01-01 | Dow Corning Corporation | Silicon carbide as a raw material for silicon production |
| US4897852A (en) * | 1988-08-31 | 1990-01-30 | Dow Corning Corporation | Silicon smelting process |
| US4997474A (en) * | 1988-08-31 | 1991-03-05 | Dow Corning Corporation | Silicon smelting process |
| US5611989A (en) * | 1993-10-14 | 1997-03-18 | Outokumpu Research Oy | Method for producing easily volatile materials |
| US6440193B1 (en) | 2001-05-21 | 2002-08-27 | Alcoa Inc. | Method and reactor for production of aluminum by carbothermic reduction of alumina |
| US6530970B2 (en) | 2001-05-21 | 2003-03-11 | Alcoa Inc. | Method for recovering aluminum vapor and aluminum suboxide from off-gases during production of aluminum by carbothermic reduction of alumina |
| US6855241B2 (en) | 2002-04-22 | 2005-02-15 | Forrest M. Palmer | Process and apparatus for smelting aluminum |
| US6805723B2 (en) * | 2003-03-06 | 2004-10-19 | Alcoa Inc. | Method and reactor for production of aluminum by carbothermic reduction of alumina |
| US6980580B2 (en) * | 2003-08-23 | 2005-12-27 | Alcoa Inc. | Electrode arrangement as substitute bottom for an electrothermic slag smelting furnace |
| US7169207B2 (en) * | 2003-10-03 | 2007-01-30 | Alcoa Inc. | Device and method for treatment of gases |
| US6849101B1 (en) * | 2003-12-04 | 2005-02-01 | Alcoa Inc. | Method using selected carbons to react with Al2O and Al vapors in the carbothermic production of aluminum |
| US20050254545A1 (en) * | 2004-05-12 | 2005-11-17 | Sgl Carbon Ag | Graphite electrode for electrothermic reduction furnaces, electrode column, and method of producing graphite electrodes |
| US20050254543A1 (en) * | 2004-05-13 | 2005-11-17 | Sgl Carbon Ag | Lining for carbothermic reduction furnace |
| US20050254544A1 (en) * | 2004-05-14 | 2005-11-17 | Sgl Carbon Ag | Gas-tight electrode for carbothermic reduction furnace |
| US20050253118A1 (en) * | 2004-05-17 | 2005-11-17 | Sgl Carbon Ag | Fracture resistant electrodes for a 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 |
| US7454925B2 (en) * | 2005-12-29 | 2008-11-25 | Corning Incorporated | Method of forming a glass melt |
| US20080016984A1 (en) * | 2006-07-20 | 2008-01-24 | Alcoa Inc. | Systems and methods for carbothermically producing aluminum |
| US7556667B2 (en) | 2007-02-16 | 2009-07-07 | Alcoa Inc. | Low carbon aluminum production method using single furnace carbothermic reduction operated in batch mode |
| US7753988B2 (en) * | 2007-07-09 | 2010-07-13 | Alcoa Inc. | Use of alumina-carbon agglomerates in the carbothermic production of aluminum |
| US7704443B2 (en) * | 2007-12-04 | 2010-04-27 | Alcoa, Inc. | Carbothermic aluminum production apparatus, systems and methods |
| GB0725191D0 (en) * | 2007-12-24 | 2008-01-30 | Warner Noel A | Carbothermic aluminium process |
| CN114756072B (zh) * | 2022-04-26 | 2023-11-10 | 江苏微导纳米科技股份有限公司 | 一种纯电阻加热系统的电能管理方法及相关装置 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1313274A (en) * | 1919-08-19 | de barros | ||
| US746796A (en) * | 1903-06-10 | 1903-12-15 | Paul Danckwardt | Process of simultaneously producing alkali cyanid and alkali metal. |
| CH44393A (de) * | 1908-03-14 | 1909-08-02 | Serpek Dr Ottokar | Verfahren zur Herstellung von Aluminium |
| US2612444A (en) * | 1948-12-28 | 1952-09-30 | Rummel Roman | Production of metals from their ores |
| NL82125C (enExample) * | 1951-12-19 | |||
| US2829961A (en) * | 1955-03-14 | 1958-04-08 | Aluminum Co Of America | Producing aluminum |
| US3031294A (en) * | 1959-06-15 | 1962-04-24 | Alan W Searcy | Aluminum production method |
| US3230072A (en) * | 1962-05-04 | 1966-01-18 | Arthur F Johnson | Production of aluminum by electro-thermal reduction |
| US3234008A (en) * | 1962-05-04 | 1966-02-08 | Arthur F Johnson | Aluminum production |
| US3823014A (en) * | 1971-09-02 | 1974-07-09 | Sun Research Development | Sodium recovery process |
| US3971653A (en) * | 1974-12-09 | 1976-07-27 | Aluminum Company Of America | Carbothermic production of aluminum |
-
1976
- 1976-05-28 GB GB22474/76A patent/GB1590431A/en not_active Expired
-
1977
- 1977-05-20 CA CA278,947A patent/CA1084974A/en not_active Expired
- 1977-05-21 IN IN766/CAL/77A patent/IN155948B/en unknown
- 1977-05-23 US US05/799,762 patent/US4099959A/en not_active Expired - Lifetime
- 1977-05-24 AU AU25436/77A patent/AU509732B2/en not_active Expired
- 1977-05-26 ES ES459180A patent/ES459180A1/es not_active Expired
- 1977-05-27 DE DE2724168A patent/DE2724168C2/de not_active Expired
- 1977-05-27 HU HU77AA866A patent/HU176637B/hu unknown
- 1977-05-27 FR FR7716365A patent/FR2352889A1/fr active Granted
- 1977-05-27 CH CH659977A patent/CH637164A5/de not_active IP Right Cessation
- 1977-05-27 NO NO771867A patent/NO152566C/no unknown
- 1977-05-27 BR BR7703468A patent/BR7703468A/pt unknown
- 1977-05-27 NL NL7705872A patent/NL7705872A/xx not_active Application Discontinuation
- 1977-05-27 SU SU772485301A patent/SU1055340A3/ru active
- 1977-05-27 JP JP6205977A patent/JPS52146708A/ja active Granted
- 1977-05-27 PL PL19844677A patent/PL198446A1/xx unknown
-
1978
- 1978-05-26 US US05/909,987 patent/US4213599A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| AU509732B2 (en) | 1980-05-22 |
| SU1055340A3 (ru) | 1983-11-15 |
| US4099959A (en) | 1978-07-11 |
| CA1084974A (en) | 1980-09-02 |
| FR2352889A1 (fr) | 1977-12-23 |
| PL198446A1 (pl) | 1978-03-13 |
| CH637164A5 (de) | 1983-07-15 |
| IN155948B (enExample) | 1985-03-30 |
| JPS5727173B2 (enExample) | 1982-06-09 |
| HU176637B (en) | 1981-04-28 |
| NO771867L (no) | 1977-11-29 |
| US4213599A (en) | 1980-07-22 |
| BR7703468A (pt) | 1978-04-11 |
| FR2352889B1 (enExample) | 1983-04-08 |
| NO152566B (no) | 1985-07-08 |
| NO152566C (no) | 1985-10-16 |
| ES459180A1 (es) | 1978-10-01 |
| AU2543677A (en) | 1978-11-30 |
| GB1590431A (en) | 1981-06-03 |
| NL7705872A (nl) | 1977-11-30 |
| DE2724168A1 (de) | 1977-12-08 |
| JPS52146708A (en) | 1977-12-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OD | Request for examination | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |