NO331582B1 - Fremgangsmate for fremstilling av primaeraluminium fra teknisk rent alumina - Google Patents
Fremgangsmate for fremstilling av primaeraluminium fra teknisk rent alumina Download PDFInfo
- Publication number
- NO331582B1 NO331582B1 NO20013011A NO20013011A NO331582B1 NO 331582 B1 NO331582 B1 NO 331582B1 NO 20013011 A NO20013011 A NO 20013011A NO 20013011 A NO20013011 A NO 20013011A NO 331582 B1 NO331582 B1 NO 331582B1
- Authority
- NO
- Norway
- Prior art keywords
- aluminum
- alumina
- sulphide
- gas
- production
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 89
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 title claims abstract description 55
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 36
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 34
- 230000008569 process Effects 0.000 title claims description 39
- COOGPNLGKIHLSK-UHFFFAOYSA-N aluminium sulfide Chemical compound [Al+3].[Al+3].[S-2].[S-2].[S-2] COOGPNLGKIHLSK-UHFFFAOYSA-N 0.000 claims abstract description 53
- 238000006243 chemical reaction Methods 0.000 claims abstract description 53
- 238000004519 manufacturing process Methods 0.000 claims abstract description 52
- 238000005868 electrolysis reaction Methods 0.000 claims abstract description 39
- 238000000926 separation method Methods 0.000 claims abstract description 7
- 239000007789 gas Substances 0.000 claims description 48
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 40
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 38
- 229910052717 sulfur Inorganic materials 0.000 claims description 34
- 239000011593 sulfur Substances 0.000 claims description 34
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 claims description 13
- 239000003345 natural gas Substances 0.000 claims description 11
- 239000007787 solid Substances 0.000 claims description 11
- 239000000376 reactant Substances 0.000 claims description 10
- 239000006227 byproduct Substances 0.000 claims description 6
- 239000005864 Sulphur Substances 0.000 claims description 5
- 238000009833 condensation Methods 0.000 claims description 5
- 230000005494 condensation Effects 0.000 claims description 5
- 239000008247 solid mixture Substances 0.000 claims description 5
- 238000012432 intermediate storage Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 2
- 230000008018 melting Effects 0.000 claims description 2
- 238000002844 melting Methods 0.000 claims description 2
- 229910052593 corundum Inorganic materials 0.000 abstract description 5
- 229910001845 yogo sapphire Inorganic materials 0.000 abstract description 5
- 239000004411 aluminium Substances 0.000 abstract description 4
- QGJOPFRUJISHPQ-UHFFFAOYSA-N Carbon disulfide Chemical compound S=C=S QGJOPFRUJISHPQ-UHFFFAOYSA-N 0.000 description 165
- 241000196324 Embryophyta Species 0.000 description 22
- 230000008901 benefit Effects 0.000 description 18
- 239000007788 liquid Substances 0.000 description 17
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 12
- 238000009626 Hall-Héroult process Methods 0.000 description 12
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 9
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 8
- 229910052799 carbon Inorganic materials 0.000 description 7
- 239000002245 particle Substances 0.000 description 7
- 101710178035 Chorismate synthase 2 Proteins 0.000 description 6
- 101710152694 Cysteine synthase 2 Proteins 0.000 description 6
- 229910052757 nitrogen Inorganic materials 0.000 description 6
- 238000005265 energy consumption Methods 0.000 description 5
- 238000002474 experimental method Methods 0.000 description 5
- 239000007795 chemical reaction product Substances 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 4
- 238000007323 disproportionation reaction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000000155 melt Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 150000002222 fluorine compounds Chemical class 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- -1 CF4 and C2F6 Chemical class 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 229920000298 Cellophane Polymers 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- 229920000297 Rayon Polymers 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000013590 bulk material Substances 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 239000000571 coke Substances 0.000 description 2
- 229910001610 cryolite Inorganic materials 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000004821 distillation Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 229910001385 heavy metal Inorganic materials 0.000 description 2
- 239000013067 intermediate product Substances 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- JTJMJGYZQZDUJJ-UHFFFAOYSA-N phencyclidine Chemical class C1CCCCN1C1(C=2C=CC=CC=2)CCCCC1 JTJMJGYZQZDUJJ-UHFFFAOYSA-N 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000007086 side reaction Methods 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 239000002918 waste heat Substances 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 235000002566 Capsicum Nutrition 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 238000005033 Fourier transform infrared spectroscopy Methods 0.000 description 1
- 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 1
- 239000006002 Pepper Substances 0.000 description 1
- 235000016761 Piper aduncum Nutrition 0.000 description 1
- 235000017804 Piper guineense Nutrition 0.000 description 1
- 244000203593 Piper nigrum Species 0.000 description 1
- 235000008184 Piper nigrum Nutrition 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 150000003841 chloride salts Chemical class 0.000 description 1
- 150000008280 chlorinated hydrocarbons Chemical class 0.000 description 1
- 150000001805 chlorine compounds Chemical class 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010494 dissociation reaction Methods 0.000 description 1
- 230000005593 dissociations Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000005496 eutectics Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 150000004673 fluoride salts Chemical class 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
- 230000004927 fusion Effects 0.000 description 1
- 238000004868 gas analysis Methods 0.000 description 1
- 238000010574 gas phase reaction Methods 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
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000003380 propellant Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000002964 rayon Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M sodium chloride Inorganic materials [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000005486 sulfidation Methods 0.000 description 1
- 150000003464 sulfur compounds Chemical class 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C3/00—Electrolytic production, recovery or refining of metals by electrolysis of melts
- C25C3/06—Electrolytic production, recovery or refining of metals by electrolysis of melts of aluminium
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F7/00—Compounds of aluminium
- C01F7/68—Aluminium compounds containing sulfur
- C01F7/70—Sulfides
-
- 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
- C22B21/0038—Obtaining aluminium by other processes
-
- 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
- C22B21/0038—Obtaining aluminium by other processes
- C22B21/0053—Obtaining aluminium by other processes from other aluminium compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Electrochemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Electrolytic Production Of Metals (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Chemical Treatment Of Metals (AREA)
- Photoreceptors In Electrophotography (AREA)
- Compositions Of Oxide Ceramics (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP98204307 | 1998-12-18 | ||
| US13071099P | 1999-04-22 | 1999-04-22 | |
| PCT/EP1999/010189 WO2000037691A1 (en) | 1998-12-18 | 1999-12-17 | Method and apparatus for the production of aluminium from alumina ore by aluminiumsulfide process |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NO20013011D0 NO20013011D0 (no) | 2001-06-18 |
| NO20013011L NO20013011L (no) | 2001-08-17 |
| NO331582B1 true NO331582B1 (no) | 2012-01-30 |
Family
ID=26150987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO20013011A NO331582B1 (no) | 1998-12-18 | 2001-06-18 | Fremgangsmate for fremstilling av primaeraluminium fra teknisk rent alumina |
Country Status (10)
| Country | Link |
|---|---|
| EP (1) | EP1141425B1 (ja) |
| JP (1) | JP4416953B2 (ja) |
| AT (1) | ATE305985T1 (ja) |
| AU (1) | AU761852B2 (ja) |
| CA (1) | CA2355662C (ja) |
| DE (2) | DE19983811T1 (ja) |
| ES (1) | ES2251257T3 (ja) |
| NO (1) | NO331582B1 (ja) |
| RU (1) | RU2233897C2 (ja) |
| WO (1) | WO2000037691A1 (ja) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2341591C2 (ru) * | 2003-03-31 | 2008-12-20 | Корус Алюминиум Вальцпродукте Гмбх | Способ электролиза сульфида алюминия |
| ATE466974T1 (de) * | 2005-03-31 | 2010-05-15 | Aleris Aluminum Koblenz Gmbh | Verfahren und vorrichtung zur produktion von aluminium |
| US7867373B2 (en) | 2005-04-01 | 2011-01-11 | Aleris Aluminum Koblenz Gmbh | Method and apparatus for the production of aluminum |
| EP2838848B1 (en) * | 2012-03-29 | 2019-05-08 | Orbite Technologies Inc. | Processes for treating fly ashes |
| CN113501493B (zh) * | 2021-07-06 | 2023-02-07 | 中石化宁波工程有限公司 | 一种用于羰基合成的高浓度一氧化碳分段移热半反应变换工艺 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US194610A (en) * | 1877-08-28 | Improvement in machines for sewing button-holes | ||
| DE79781C (ja) * | ||||
| DE41891C (de) * | D. G. REILLON und S. T. MON-TAGNE beide in Nantes und O. L. B. L. BOURGE-REL in Paris, Frankreich | Verfahren zur Darstellung von Aluminium | ||
| US1816842A (en) * | 1924-06-02 | 1931-08-04 | Internat Patent Corp | Process for refining ores or products containing aluminum oxide |
| US1941610A (en) * | 1931-12-15 | 1934-01-02 | George A Macready | Process for decomposing ores |
| GB484014A (en) * | 1936-12-04 | 1938-04-29 | Daniel Gardner | Improvements in or relating to electrolytic processes for the manufacture of aluminium |
| US2400000A (en) * | 1941-08-02 | 1946-05-07 | Gardner Thermal Corp | Production of aluminum |
| GB1483193A (en) * | 1974-11-29 | 1977-08-17 | Courtaulds Ltd | Process for the manufacture of carbon disulphide |
| US4133727A (en) * | 1977-05-17 | 1979-01-09 | Aluminum Company Of America | Method for extracting heat from a chamber containing a molten salt |
| US4265716A (en) * | 1979-06-14 | 1981-05-05 | The United States Of America As Represented By The United States Department Of Energy | Method of winning aluminum metal from aluminous ore |
-
1999
- 1999-12-17 AT AT99966979T patent/ATE305985T1/de active
- 1999-12-17 AU AU22845/00A patent/AU761852B2/en not_active Ceased
- 1999-12-17 JP JP2000589744A patent/JP4416953B2/ja not_active Expired - Fee Related
- 1999-12-17 EP EP99966979A patent/EP1141425B1/en not_active Expired - Lifetime
- 1999-12-17 RU RU2001119983/02A patent/RU2233897C2/ru not_active IP Right Cessation
- 1999-12-17 ES ES99966979T patent/ES2251257T3/es not_active Expired - Lifetime
- 1999-12-17 DE DE19983811T patent/DE19983811T1/de not_active Withdrawn
- 1999-12-17 WO PCT/EP1999/010189 patent/WO2000037691A1/en active IP Right Grant
- 1999-12-17 CA CA002355662A patent/CA2355662C/en not_active Expired - Fee Related
- 1999-12-17 DE DE69927605T patent/DE69927605T2/de not_active Expired - Lifetime
-
2001
- 2001-06-18 NO NO20013011A patent/NO331582B1/no not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| CA2355662C (en) | 2006-07-25 |
| JP2003528976A (ja) | 2003-09-30 |
| NO20013011D0 (no) | 2001-06-18 |
| JP4416953B2 (ja) | 2010-02-17 |
| DE69927605D1 (de) | 2006-02-16 |
| AU2284500A (en) | 2000-07-12 |
| ATE305985T1 (de) | 2005-10-15 |
| EP1141425A1 (en) | 2001-10-10 |
| CA2355662A1 (en) | 2000-06-29 |
| DE69927605T2 (de) | 2006-08-03 |
| ES2251257T3 (es) | 2006-04-16 |
| DE19983811T1 (de) | 2002-02-28 |
| RU2233897C2 (ru) | 2004-08-10 |
| NO20013011L (no) | 2001-08-17 |
| WO2000037691A1 (en) | 2000-06-29 |
| EP1141425B1 (en) | 2005-10-05 |
| AU761852B2 (en) | 2003-06-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11975982B2 (en) | Metal chlorides and metals obtained from metal oxide containing materials | |
| US6565733B1 (en) | Method and apparatus for the production of aluminium | |
| BR112014016540B1 (pt) | processo para a produção de alumínio a partir de bauxita ou seu resíduo | |
| EP0078304B1 (en) | Recovery of fluoride values from carbonaceous materials | |
| KR20210108966A (ko) | 리튬 화학물질 및 금속성 리튬의 제조 | |
| US10066275B2 (en) | Arc furnace smeltering system and method | |
| NO166932B (no) | Fremgangsmaate til fremstilling av jernglimmer. | |
| NO331582B1 (no) | Fremgangsmate for fremstilling av primaeraluminium fra teknisk rent alumina | |
| NO134834B (ja) | ||
| NO152041B (no) | Fremgangsmaate for fremstilling av vannfritt magnesiumklorid ved klorering av magnesiumkarbonat | |
| Xiao et al. | Sulfidation of Al2O3 with CS2 gas for compact aluminium production process | |
| RU2001119983A (ru) | Способ получения алюминия и устройство для его осуществления | |
| AU539042B2 (en) | Aluminum electrolytic cell cathode waste recovery | |
| Rhamdhani et al. | Production Methods for Aluminum: Alternative | |
| Xiao et al. | Sulfidation of Al2O3 with CS2 gas | |
| NO753171L (ja) | ||
| NO127849B (ja) | ||
| NO791965L (no) | Fremgangsmaate for selektivt aa fjerne jerninnholdet fra jernholdige malmer, saerlig ilmenitt og beauxitt |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| CREP | Change of representative |
Representative=s name: ONSAGERS AS, POSTBOKS 6963 ST OLAVS PLASS, 0130 OS |
|
| MM1K | Lapsed by not paying the annual fees |