NO128281B - - Google Patents
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- Publication number
- NO128281B NO128281B NO03453/71A NO345371A NO128281B NO 128281 B NO128281 B NO 128281B NO 03453/71 A NO03453/71 A NO 03453/71A NO 345371 A NO345371 A NO 345371A NO 128281 B NO128281 B NO 128281B
- Authority
- NO
- Norway
- Prior art keywords
- aluminum
- foam
- metal
- steam
- dross
- Prior art date
Links
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 62
- 238000000034 method Methods 0.000 claims description 35
- 229910052782 aluminium Inorganic materials 0.000 claims description 34
- 150000001875 compounds Chemical class 0.000 claims description 22
- 238000011282 treatment Methods 0.000 claims description 22
- 239000002245 particle Substances 0.000 claims description 17
- 230000008569 process Effects 0.000 claims description 12
- 238000011084 recovery Methods 0.000 claims description 12
- 239000004411 aluminium Substances 0.000 claims description 9
- 238000002844 melting Methods 0.000 claims description 5
- 230000008018 melting Effects 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 description 36
- 239000006260 foam Substances 0.000 description 35
- 239000002184 metal Substances 0.000 description 26
- 229910052751 metal Inorganic materials 0.000 description 26
- 239000000047 product Substances 0.000 description 17
- 239000000126 substance Substances 0.000 description 16
- 230000009467 reduction Effects 0.000 description 15
- 230000036571 hydration Effects 0.000 description 14
- 238000006703 hydration reaction Methods 0.000 description 14
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 11
- 238000006243 chemical reaction Methods 0.000 description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 7
- 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 7
- 229910052799 carbon Inorganic materials 0.000 description 7
- 150000004767 nitrides Chemical class 0.000 description 7
- 239000011734 sodium Substances 0.000 description 7
- 239000007789 gas Substances 0.000 description 6
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 6
- 229910052708 sodium Inorganic materials 0.000 description 6
- 150000002222 fluorine compounds Chemical class 0.000 description 5
- 239000006261 foam material Substances 0.000 description 5
- 239000012634 fragment Substances 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- 230000036961 partial effect Effects 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 238000007873 sieving Methods 0.000 description 4
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 3
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 3
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 3
- CAVCGVPGBKGDTG-UHFFFAOYSA-N alumanylidynemethyl(alumanylidynemethylalumanylidenemethylidene)alumane Chemical compound [Al]#C[Al]=C=[Al]C#[Al] CAVCGVPGBKGDTG-UHFFFAOYSA-N 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 3
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 3
- 229910001610 cryolite Inorganic materials 0.000 description 3
- 239000011737 fluorine Substances 0.000 description 3
- 229910052731 fluorine Inorganic materials 0.000 description 3
- 229910052749 magnesium Inorganic materials 0.000 description 3
- 239000011777 magnesium Substances 0.000 description 3
- 229910052748 manganese Inorganic materials 0.000 description 3
- 239000011572 manganese Substances 0.000 description 3
- 150000001247 metal acetylides Chemical class 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 150000001805 chlorine compounds Chemical class 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- -1 nitride compounds Chemical class 0.000 description 2
- 235000019645 odor Nutrition 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 238000005029 sieve analysis Methods 0.000 description 2
- IRPGOXJVTQTAAN-UHFFFAOYSA-N 2,2,3,3,3-pentafluoropropanal Chemical compound FC(F)(F)C(F)(F)C=O IRPGOXJVTQTAAN-UHFFFAOYSA-N 0.000 description 1
- KLZUFWVZNOTSEM-UHFFFAOYSA-K Aluminum fluoride Inorganic materials F[Al](F)F KLZUFWVZNOTSEM-UHFFFAOYSA-K 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 238000011161 development Methods 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
- 230000008034 disappearance Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 150000004677 hydrates Chemical class 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000011344 liquid material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- PUZPDOWCWNUUKD-UHFFFAOYSA-M sodium fluoride Inorganic materials [F-].[Na+] PUZPDOWCWNUUKD-UHFFFAOYSA-M 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000012546 transfer 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
- C22B21/0007—Preliminary treatment of ores or scrap or any other metal source
-
- 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
- C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
- C22B7/04—Working-up slag
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Environmental & Geological Engineering (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Geochemistry & Mineralogy (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Manufacture Of Alloys Or Alloy Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US7326170A | 1970-09-17 | 1970-09-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO128281B true NO128281B (en, 2012) | 1973-10-22 |
Family
ID=22112711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO03453/71A NO128281B (en, 2012) | 1970-09-17 | 1971-09-16 |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US3660076A (en, 2012) |
| JP (1) | JPS5236083B1 (en, 2012) |
| CA (1) | CA953922A (en, 2012) |
| CH (1) | CH533682A (en, 2012) |
| ES (1) | ES395140A1 (en, 2012) |
| FR (1) | FR2106573B1 (en, 2012) |
| GB (1) | GB1356412A (en, 2012) |
| NL (1) | NL168003B (en, 2012) |
| NO (1) | NO128281B (en, 2012) |
| SU (1) | SU454730A3 (en, 2012) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4050925A (en) * | 1974-06-26 | 1977-09-27 | R.C.M. Corporation | Process for the production and use of activated alumina in refining steel |
| US3975187A (en) * | 1975-02-13 | 1976-08-17 | Reynolds Metals Company | Treatment of carbothermically produced aluminum |
| US4040820A (en) * | 1976-02-09 | 1977-08-09 | Kaiser Aluminum & Chemical Corporation | Processing aluminum skim |
| US4247325A (en) * | 1979-07-30 | 1981-01-27 | American Can Company | pH Control during leaching of aluminum slags |
| US4348366A (en) * | 1981-04-06 | 1982-09-07 | Brown Raymond J | Process for the production of alumina and alumina compounds from wastes |
| US4752328A (en) * | 1987-10-19 | 1988-06-21 | Reynolds Metals Company | Spent salt flux recycling |
| ES2009527A6 (es) * | 1988-02-03 | 1989-10-01 | Remetal Sa | Proceso de reciclacion de escorias, en particular salinas procedentes del refino de chatarras de aluminio. |
| CA2098776A1 (en) * | 1992-06-22 | 1993-12-23 | Richard D. Lindsay | Reactive non-metallic product recovered from dross |
| US6199779B1 (en) | 1999-06-30 | 2001-03-13 | Alcoa Inc. | Method to recover metal from a metal-containing dross material |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2300141A (en) * | 1940-07-25 | 1942-10-27 | Aluminum Co Of America | Remelting method and apparatus |
| US2302981A (en) * | 1942-03-03 | 1942-11-24 | Stern Max | Method for the manufacture of aluminum to be used for aluminothermic purposes |
| US2754199A (en) * | 1952-08-30 | 1956-07-10 | Aluminum Co Of America | Method of recovering aluminous metal from freshly skimmed dross |
-
1970
- 1970-09-17 US US3660076D patent/US3660076A/en not_active Expired - Lifetime
-
1971
- 1971-08-19 CA CA120,894A patent/CA953922A/en not_active Expired
- 1971-08-30 NL NL7111929A patent/NL168003B/xx not_active IP Right Cessation
- 1971-09-01 GB GB4084971A patent/GB1356412A/en not_active Expired
- 1971-09-06 SU SU1695320A patent/SU454730A3/ru active
- 1971-09-10 FR FR7132752A patent/FR2106573B1/fr not_active Expired
- 1971-09-15 CH CH1348171A patent/CH533682A/fr not_active IP Right Cessation
- 1971-09-16 NO NO03453/71A patent/NO128281B/no unknown
- 1971-09-16 ES ES395140A patent/ES395140A1/es not_active Expired
- 1971-09-17 JP JP7188971A patent/JPS5236083B1/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CH533682A (fr) | 1973-02-15 |
| NL7111929A (en, 2012) | 1972-03-21 |
| NL168003B (nl) | 1981-09-16 |
| JPS5236083B1 (en, 2012) | 1977-09-13 |
| DE2144278A1 (de) | 1972-03-23 |
| SU454730A3 (ru) | 1974-12-25 |
| FR2106573A1 (en, 2012) | 1972-05-05 |
| FR2106573B1 (en, 2012) | 1976-02-20 |
| US3660076A (en) | 1972-05-02 |
| ES395140A1 (es) | 1973-12-16 |
| DE2144278B2 (de) | 1973-02-08 |
| GB1356412A (en) | 1974-06-12 |
| CA953922A (en) | 1974-09-03 |
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