DE68915277T2 - Aufarbeitung der auskleidung von aluminiumreduktionszellen während des einsatzes von aluminiumschrottes. - Google Patents
Aufarbeitung der auskleidung von aluminiumreduktionszellen während des einsatzes von aluminiumschrottes.Info
- Publication number
- DE68915277T2 DE68915277T2 DE1989615277 DE68915277T DE68915277T2 DE 68915277 T2 DE68915277 T2 DE 68915277T2 DE 1989615277 DE1989615277 DE 1989615277 DE 68915277 T DE68915277 T DE 68915277T DE 68915277 T2 DE68915277 T2 DE 68915277T2
- Authority
- DE
- Germany
- Prior art keywords
- aluminum
- lining
- processing
- cells during
- reduction cells
- 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 - Fee Related
Links
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
- 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
- C22B7/001—Dry processes
- C22B7/003—Dry processes only remelting, e.g. of chips, borings, turnings; apparatus used therefor
-
- 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
- C22B21/0084—Obtaining aluminium melting and handling molten aluminium
- C22B21/0092—Remelting scrap, skimmings or any secondary source aluminium
-
- 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
- C25C3/08—Cell construction, e.g. bottoms, walls, cathodes
-
- 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
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Processing Of Solid Wastes (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/324,843 US4927459A (en) | 1989-03-17 | 1989-03-17 | Treatment of aluminum reduction cell linings combined with use in aluminum scrap reclamation |
PCT/US1989/005465 WO1990011380A1 (en) | 1989-03-17 | 1989-12-04 | Treatment of aluminum reduction cell linings combined with use in aluminum scrap reclamation |
Publications (2)
Publication Number | Publication Date |
---|---|
DE68915277D1 DE68915277D1 (de) | 1994-06-16 |
DE68915277T2 true DE68915277T2 (de) | 1994-09-01 |
Family
ID=23265344
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE1989615277 Expired - Fee Related DE68915277T2 (de) | 1989-03-17 | 1989-12-04 | Aufarbeitung der auskleidung von aluminiumreduktionszellen während des einsatzes von aluminiumschrottes. |
Country Status (4)
Country | Link |
---|---|
US (1) | US4927459A (de) |
EP (1) | EP0417216B1 (de) |
DE (1) | DE68915277T2 (de) |
WO (1) | WO1990011380A1 (de) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0441739A1 (de) * | 1990-02-08 | 1991-08-14 | Alusuisse-Lonza Services Ag | Verfahren zur Aufbereitung von aus mit einer Oberflächenbeschichtung versehenen Metallteilen bestehenden Abfällen durch Zerkleinerung |
US5585532A (en) * | 1991-07-29 | 1996-12-17 | Molten Metal Technology, Inc. | Method for treating a gas formed from a waste in a molten metal bath |
US5191154A (en) * | 1991-07-29 | 1993-03-02 | Molten Metal Technology, Inc. | Method and system for controlling chemical reaction in a molten bath |
US5776420A (en) * | 1991-07-29 | 1998-07-07 | Molten Metal Technology, Inc. | Apparatus for treating a gas formed from a waste in a molten metal bath |
US5354940A (en) * | 1991-07-29 | 1994-10-11 | Molten Metal Technology, Inc. | Method for controlling chemical reaction in a molten metal bath |
US5300136A (en) * | 1991-08-13 | 1994-04-05 | Imco Recycling, Inc. | Potassium fertilizer from aluminum reclamation by-products |
US5164174A (en) * | 1991-10-11 | 1992-11-17 | Reynolds Metals Company | Detoxification of aluminum spent potliner by thermal treatment, lime slurry quench and post-kiln treatment |
WO1994002263A1 (en) * | 1992-07-24 | 1994-02-03 | Comalco Aluminium Limited | Treatment of solid material |
US5470559A (en) * | 1993-02-26 | 1995-11-28 | Alcan International Limited | Recycling of spent pot linings |
WO1995018872A1 (fr) * | 1994-01-10 | 1995-07-13 | Firm 'vtormet' | Procede de traitement de dechets d'aluminium |
US6217840B1 (en) | 1995-12-08 | 2001-04-17 | Goldendale Aluminum Company | Production of fumed silica |
US5723097A (en) * | 1995-12-08 | 1998-03-03 | Goldendale Aluminum Company | Method of treating spent potliner material from aluminum reduction cells |
US6193944B1 (en) | 1995-12-08 | 2001-02-27 | Goldendale Aluminum Company | Method of recovering fumed silica from spent potliner |
US5961811A (en) * | 1997-10-02 | 1999-10-05 | Emec Consultants | Potlining to enhance cell performance in aluminum production |
US6248302B1 (en) | 2000-02-04 | 2001-06-19 | Goldendale Aluminum Company | Process for treating red mud to recover metal values therefrom |
US6774277B2 (en) * | 2000-03-07 | 2004-08-10 | Waste Management, Inc. | Methods of destruction of cyanide in cyanide-containing waste |
US6616829B2 (en) | 2001-04-13 | 2003-09-09 | Emec Consultants | Carbonaceous cathode with enhanced wettability for aluminum production |
DE102009042449A1 (de) * | 2009-09-23 | 2011-03-31 | Sgl Carbon Se | Verfahren und Reaktor zur Aufbereitung von kohlenstoffhaltigem Schüttgut |
CN105502452B (zh) * | 2015-12-08 | 2017-11-24 | 北京京碧蓝环保科技有限公司 | 在铝电解废槽衬热处理过程中回收冰晶石并进行尾气处理的方法 |
SI3611276T1 (sl) | 2018-08-15 | 2022-08-31 | Norsk Hydro Asa | Postopek za proizvodnjo sekundarnega aluminija |
EP4186963A1 (de) * | 2021-11-25 | 2023-05-31 | Speira GmbH | Lagerstabiles kathodenausbruchsmaterial, verfahren zu seiner herstellung sowie dessen verwendung als brennstoff |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1098968A (en) * | 1913-05-26 | 1914-06-02 | Frederick L Pfahl | Gasolene-gage structure. |
GB938720A (en) * | 1962-05-17 | 1963-10-02 | Kaiser Aluminium Chem Corp | Improvements in or relating to metal recovery |
US3798024A (en) * | 1972-07-13 | 1974-03-19 | Reynolds Metals Co | Reclamation of aluminous skim |
US4053375A (en) * | 1976-07-16 | 1977-10-11 | Dorr-Oliver Incorporated | Process for recovery of alumina-cryolite waste in aluminum production |
SU1098968A1 (ru) * | 1983-04-04 | 1984-06-23 | Всесоюзный Научно-Исследовательский И Проектный Институт Вторичных Цветных Металлов | Способ обеднени шлаков медного и медно-никелевого производств |
US4735784A (en) * | 1986-07-11 | 1988-04-05 | Morrison-Knudsen Company, Inc. | Method of treating fluoride contaminated wastes |
US4822388A (en) * | 1987-02-27 | 1989-04-18 | Gee Kenneth H | Method of operating mineral wool cupolas and using spent electrolytic aluminum pot lining |
US4763585A (en) * | 1987-09-08 | 1988-08-16 | Ogden Environmental Services | Method for the combustion of spent potlinings from the manufacture of aluminum |
US4842642A (en) * | 1988-01-19 | 1989-06-27 | Hamilton Specialty Bar Division Of Slater Industries Inc. | Additive for promoting slag formation in steel refining ladle |
-
1989
- 1989-03-17 US US07/324,843 patent/US4927459A/en not_active Expired - Lifetime
- 1989-12-04 WO PCT/US1989/005465 patent/WO1990011380A1/en active IP Right Grant
- 1989-12-04 EP EP90901302A patent/EP0417216B1/de not_active Expired - Lifetime
- 1989-12-04 DE DE1989615277 patent/DE68915277T2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE68915277D1 (de) | 1994-06-16 |
US4927459A (en) | 1990-05-22 |
EP0417216A4 (en) | 1991-08-28 |
EP0417216A1 (de) | 1991-03-20 |
EP0417216B1 (de) | 1994-05-11 |
WO1990011380A1 (en) | 1990-10-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |