CH651320A5 - Verfahren zur entfernung von alkalimetallen und erdalkalimetallen aus einer aluminiumschmelze. - Google Patents
Verfahren zur entfernung von alkalimetallen und erdalkalimetallen aus einer aluminiumschmelze. Download PDFInfo
- Publication number
- CH651320A5 CH651320A5 CH3141/82A CH314182A CH651320A5 CH 651320 A5 CH651320 A5 CH 651320A5 CH 3141/82 A CH3141/82 A CH 3141/82A CH 314182 A CH314182 A CH 314182A CH 651320 A5 CH651320 A5 CH 651320A5
- Authority
- CH
- Switzerland
- Prior art keywords
- impeller
- vessel
- aluminum
- metal
- melt
- Prior art date
Links
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims description 73
- 229910052782 aluminium Inorganic materials 0.000 title claims description 67
- 238000000034 method Methods 0.000 title claims description 35
- 229910052783 alkali metal Inorganic materials 0.000 title claims description 30
- 150000001340 alkali metals Chemical class 0.000 title claims description 30
- 229910052751 metal Inorganic materials 0.000 claims description 59
- 239000002184 metal Substances 0.000 claims description 59
- APURLPHDHPNUFL-UHFFFAOYSA-M fluoroaluminum Chemical compound [Al]F APURLPHDHPNUFL-UHFFFAOYSA-M 0.000 claims description 37
- 239000000126 substance Substances 0.000 claims description 32
- 238000011282 treatment Methods 0.000 claims description 32
- 239000000155 melt Substances 0.000 claims description 24
- 238000003756 stirring Methods 0.000 claims description 20
- KLZUFWVZNOTSEM-UHFFFAOYSA-K Aluminium flouride Chemical compound F[Al](F)F KLZUFWVZNOTSEM-UHFFFAOYSA-K 0.000 claims description 19
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims description 16
- 150000001342 alkaline earth metals Chemical class 0.000 claims description 16
- 238000006243 chemical reaction Methods 0.000 claims description 13
- 239000007789 gas Substances 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 239000000356 contaminant Substances 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims 1
- 229910052744 lithium Inorganic materials 0.000 description 26
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 24
- 239000000203 mixture Substances 0.000 description 21
- 229910052708 sodium Inorganic materials 0.000 description 21
- 239000011734 sodium Substances 0.000 description 21
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 19
- 239000002245 particle Substances 0.000 description 19
- 239000000843 powder Substances 0.000 description 17
- 239000011777 magnesium Substances 0.000 description 13
- 238000012360 testing method Methods 0.000 description 12
- 230000009467 reduction Effects 0.000 description 10
- 239000007787 solid Substances 0.000 description 10
- 230000000694 effects Effects 0.000 description 9
- 229910001610 cryolite Inorganic materials 0.000 description 8
- 239000012535 impurity Substances 0.000 description 7
- 229910052749 magnesium Inorganic materials 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 6
- 229910045601 alloy Inorganic materials 0.000 description 6
- 239000000956 alloy Substances 0.000 description 6
- 239000002893 slag Substances 0.000 description 6
- PUZPDOWCWNUUKD-UHFFFAOYSA-M sodium fluoride Chemical compound [F-].[Na+] PUZPDOWCWNUUKD-UHFFFAOYSA-M 0.000 description 6
- 238000005868 electrolysis reaction Methods 0.000 description 5
- 239000003792 electrolyte Substances 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 4
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 4
- 239000012159 carrier gas Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 101100004392 Arabidopsis thaliana BHLH147 gene Proteins 0.000 description 3
- 229910052791 calcium Inorganic materials 0.000 description 3
- 239000011575 calcium Substances 0.000 description 3
- 238000005266 casting Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 238000011010 flushing procedure Methods 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 3
- 235000013024 sodium fluoride Nutrition 0.000 description 3
- 239000011775 sodium fluoride Substances 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- 241001676573 Minium Species 0.000 description 2
- 238000005275 alloying Methods 0.000 description 2
- CAVCGVPGBKGDTG-UHFFFAOYSA-N alumanylidynemethyl(alumanylidynemethylalumanylidenemethylidene)alumane Chemical compound [Al]#C[Al]=C=[Al]C#[Al] CAVCGVPGBKGDTG-UHFFFAOYSA-N 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- 230000001627 detrimental effect Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000013618 particulate matter Substances 0.000 description 2
- 229910018134 Al-Mg Inorganic materials 0.000 description 1
- 229910018467 Al—Mg Inorganic materials 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 101000741800 Homo sapiens Peptidyl-prolyl cis-trans isomerase H Proteins 0.000 description 1
- 229910011533 LiF—MgF2 Inorganic materials 0.000 description 1
- 102100038827 Peptidyl-prolyl cis-trans isomerase H Human genes 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000009089 cytolysis Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000010309 melting process Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000010310 metallurgical process Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- -1 potassium metals Chemical class 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000000859 sublimation Methods 0.000 description 1
- 230000008022 sublimation Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
- 238000004804 winding 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
- C22B21/06—Obtaining aluminium refining
- C22B21/062—Obtaining aluminium refining using salt or fluxing agents
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US26525481A | 1981-05-19 | 1981-05-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH651320A5 true CH651320A5 (de) | 1985-09-13 |
Family
ID=23009685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH3141/82A CH651320A5 (de) | 1981-05-19 | 1982-05-19 | Verfahren zur entfernung von alkalimetallen und erdalkalimetallen aus einer aluminiumschmelze. |
Country Status (9)
| Country | Link |
|---|---|
| EP (1) | EP0065854B1 (es) |
| JP (1) | JPS6017009B2 (es) |
| AU (1) | AU553304B2 (es) |
| CA (1) | CA1188107A (es) |
| CH (1) | CH651320A5 (es) |
| DE (1) | DE3265793D1 (es) |
| ES (2) | ES8400501A1 (es) |
| FR (1) | FR2506333B1 (es) |
| NO (1) | NO160663C (es) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002057502A3 (en) * | 2001-01-22 | 2002-10-24 | Alcan Int Ltd | Treatment of molten metal with a particulate agent using a mixing impeller |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1188107A (en) * | 1981-05-19 | 1985-06-04 | Ghyslain Dube | Removal of alkali metals and alkaline earth metals from molten aluminium |
| EP0108178B1 (en) * | 1982-11-09 | 1987-07-22 | Alcan International Limited | Removal of alkali metals and alkaline earth metals from molten aluminium |
| DE3367112D1 (en) * | 1982-11-16 | 1986-11-27 | Alcan Int Ltd | Removal of impurities from molten aluminium |
| GB8622458D0 (en) * | 1986-09-18 | 1986-10-22 | Alcan Int Ltd | Alloying aluminium |
| US4822412A (en) * | 1986-11-17 | 1989-04-18 | The Boeing Company | Method of removing lithium from aluminum-lithium alloys |
| US4832740A (en) * | 1987-03-30 | 1989-05-23 | Swiss Aluminium Ltd. | Process for removing alkali and alkaline earth elements from aluminum melts |
| DE4029396A1 (de) * | 1990-09-17 | 1992-03-19 | Vaw Ver Aluminium Werke Ag | Vorrichtung zum reinigen von ne-metallschmelzen, insbesondere aluminiumschmelzen |
| US5080715A (en) * | 1990-11-05 | 1992-01-14 | Alcan International Limited | Recovering clean metal and particulates from metal matrix composites |
| JPH059007U (ja) * | 1991-07-08 | 1993-02-05 | 株式会社村田製作所 | 結合線路素子 |
| NO176553C (no) * | 1993-04-14 | 1995-04-26 | Norsk Hydro As | Injeksjonsutstyr |
| RU2305712C1 (ru) * | 2006-02-02 | 2007-09-10 | Алексей Иванович Гончаров | Способ очистки алюминия от оксидов примесных металлов |
| NO20210630A1 (en) * | 2021-05-21 | 2022-11-22 | Norsk Hydro As | Na removal from pot-room Al metal with under-pressure and forced convection |
| CN116354572B (zh) * | 2023-04-27 | 2024-05-17 | 上海开鸿环保科技有限公司 | 基于重金属组分回收的危废污泥高温熔融处理方法 |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3305351A (en) * | 1964-02-24 | 1967-02-21 | Reynolds Metals Co | Treatment of aluminum with aluminum fluoride particles |
| US3459536A (en) * | 1964-11-06 | 1969-08-05 | Interlake Steel Corp | Method for mixing molten metal |
| US3528801A (en) * | 1966-08-24 | 1970-09-15 | Reynolds Metals Co | Method of treating aluminous metal with carbon and aluminum fluoride |
| US3436212A (en) * | 1966-11-22 | 1969-04-01 | Aluminum Co Of America | Flux for treating aluminum |
| US3620716A (en) * | 1969-05-27 | 1971-11-16 | Aluminum Co Of America | Magnesium removal from aluminum alloy scrap |
| GB1367069A (en) * | 1970-10-22 | 1974-09-18 | British Aluminium Co Ltd | Removal of non-metallic constituents from liquid metal |
| US3767382A (en) * | 1971-11-04 | 1973-10-23 | Aluminum Co Of America | Treatment of molten aluminum with an impeller |
| US3849119A (en) * | 1971-11-04 | 1974-11-19 | Aluminum Co Of America | Treatment of molten aluminum with an impeller |
| US3902893A (en) * | 1973-01-04 | 1975-09-02 | Ostberg Jan Erik | Method for moving and stirring of heavy metallurgical melts |
| US3871872A (en) * | 1973-05-30 | 1975-03-18 | Union Carbide Corp | Method for promoting metallurgical reactions in molten metal |
| US4058394A (en) * | 1976-02-23 | 1977-11-15 | Kennecott Copper Corporation | Pyrometallurgical system for solid-liquid contacting |
| CH623849A5 (es) * | 1976-03-26 | 1981-06-30 | Alusuisse | |
| GB2030597B (en) * | 1978-08-23 | 1982-11-17 | Alcan Res & Dev | Filtering aluminium |
| CA1188107A (en) * | 1981-05-19 | 1985-06-04 | Ghyslain Dube | Removal of alkali metals and alkaline earth metals from molten aluminium |
-
1982
- 1982-05-10 CA CA000402577A patent/CA1188107A/en not_active Expired
- 1982-05-13 EP EP82302448A patent/EP0065854B1/en not_active Expired
- 1982-05-13 DE DE8282302448T patent/DE3265793D1/de not_active Expired
- 1982-05-17 FR FR828208574A patent/FR2506333B1/fr not_active Expired - Lifetime
- 1982-05-18 ES ES512288A patent/ES8400501A1/es not_active Expired
- 1982-05-18 NO NO821659A patent/NO160663C/no not_active IP Right Cessation
- 1982-05-18 AU AU83780/82A patent/AU553304B2/en not_active Expired
- 1982-05-19 JP JP57084692A patent/JPS6017009B2/ja not_active Expired
- 1982-05-19 CH CH3141/82A patent/CH651320A5/de not_active IP Right Cessation
-
1983
- 1983-01-26 ES ES519264A patent/ES8403169A1/es not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002057502A3 (en) * | 2001-01-22 | 2002-10-24 | Alcan Int Ltd | Treatment of molten metal with a particulate agent using a mixing impeller |
| US6602318B2 (en) | 2001-01-22 | 2003-08-05 | Alcan International Limited | Process and apparatus for cleaning and purifying molten aluminum |
| US6755889B2 (en) | 2001-01-22 | 2004-06-29 | Alcan International Limited | Process for cleaning and purifying molten aluminum |
Also Published As
| Publication number | Publication date |
|---|---|
| NO160663B (no) | 1989-02-06 |
| EP0065854A2 (en) | 1982-12-01 |
| EP0065854B1 (en) | 1985-08-28 |
| AU8378082A (en) | 1982-11-25 |
| ES519264A0 (es) | 1984-03-01 |
| EP0065854A3 (en) | 1983-01-26 |
| NO821659L (no) | 1982-11-22 |
| JPS57198226A (en) | 1982-12-04 |
| AU553304B2 (en) | 1986-07-10 |
| NO160663C (no) | 1989-05-16 |
| ES8403169A1 (es) | 1984-03-01 |
| FR2506333B1 (fr) | 1990-12-07 |
| ES512288A0 (es) | 1983-10-16 |
| ES8400501A1 (es) | 1983-10-16 |
| JPS6017009B2 (ja) | 1985-04-30 |
| DE3265793D1 (en) | 1985-10-03 |
| FR2506333A1 (fr) | 1982-11-26 |
| CA1188107A (en) | 1985-06-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased | ||
| PL | Patent ceased |