DE69603370D1 - Harte und verschleissfeste schutzoberflächen für kathodenblöcke in aluminium-elektrolyse-ofen - Google Patents
Harte und verschleissfeste schutzoberflächen für kathodenblöcke in aluminium-elektrolyse-ofenInfo
- Publication number
- DE69603370D1 DE69603370D1 DE69603370T DE69603370T DE69603370D1 DE 69603370 D1 DE69603370 D1 DE 69603370D1 DE 69603370 T DE69603370 T DE 69603370T DE 69603370 T DE69603370 T DE 69603370T DE 69603370 D1 DE69603370 D1 DE 69603370D1
- Authority
- DE
- Germany
- Prior art keywords
- wear
- hard
- resistant protective
- aluminum electrolysis
- cathode blocks
- 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 - Lifetime
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/009—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone characterised by the material treated
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/50—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials
- C04B41/5053—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials non-oxide ceramics
- C04B41/5062—Borides, Nitrides or Silicides
- C04B41/507—Borides
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/52—Multiple coating or impregnating multiple coating or impregnating with the same composition or with compositions only differing in the concentration of the constituents, is classified as single coating or impregnation
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
- C04B41/81—Coating or impregnation
- C04B41/85—Coating or impregnation with inorganic materials
- C04B41/87—Ceramics
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
- C04B41/81—Coating or impregnation
- C04B41/89—Coating or impregnation for obtaining at least two superposed coatings having different compositions
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/0087—Uses not provided for elsewhere in C04B2111/00 for metallurgical applications
- C04B2111/00879—Non-ferrous metallurgy
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
- Y10T428/252—Glass or ceramic [i.e., fired or glazed clay, cement, etc.] [porcelain, quartz, etc.]
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/30—Self-sustaining carbon mass or layer with impregnant or other layer
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/511,907 US5728466A (en) | 1995-08-07 | 1995-08-07 | Hard and abrasion resistant surfaces protecting cathode blocks of aluminium electrowinning cells |
PCT/IB1996/000779 WO1997006290A1 (en) | 1995-08-07 | 1996-08-06 | Hard and abrasion resistant surfaces protecting cathode blocks of aluminium electrowinning cells |
Publications (1)
Publication Number | Publication Date |
---|---|
DE69603370D1 true DE69603370D1 (de) | 1999-08-26 |
Family
ID=24036940
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69603370T Expired - Lifetime DE69603370D1 (de) | 1995-08-07 | 1996-08-06 | Harte und verschleissfeste schutzoberflächen für kathodenblöcke in aluminium-elektrolyse-ofen |
Country Status (7)
Country | Link |
---|---|
US (2) | US5728466A (de) |
EP (1) | EP0843746B1 (de) |
AU (1) | AU700094B2 (de) |
CA (1) | CA2230862A1 (de) |
DE (1) | DE69603370D1 (de) |
NO (1) | NO981721L (de) |
WO (1) | WO1997006290A1 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6913931B2 (en) * | 2002-10-03 | 2005-07-05 | 3M Innovative Properties Company | Devices, methods and systems for low volume microarray processing |
CN100491600C (zh) * | 2006-10-18 | 2009-05-27 | 中国铝业股份有限公司 | 一种可湿润阴极炭块的制备方法 |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES203316A1 (es) * | 1951-05-04 | 1952-07-01 | British Aluminium Co Ltd | UNA CELDA ELECTROLiTICA DE REDUCCIoN PARA LA PRODUCCIoN DE ALUMINIO |
US3330756A (en) * | 1951-05-04 | 1967-07-11 | British Aluminum Company Ltd | Current conducting elements |
US2915442A (en) * | 1955-11-28 | 1959-12-01 | Kaiser Aluminium Chem Corp | Production of aluminum |
US3028324A (en) * | 1957-05-01 | 1962-04-03 | British Aluminium Co Ltd | Producing or refining aluminum |
US3314876A (en) * | 1960-11-28 | 1967-04-18 | British Aluminium Co Ltd | Method for manufacturing solid current conducting elements |
US3156639A (en) * | 1961-08-17 | 1964-11-10 | Reynolds Metals Co | Electrode |
US3274093A (en) * | 1961-08-29 | 1966-09-20 | Reynolds Metals Co | Cathode construction for aluminum production |
DE1251962B (de) * | 1963-11-21 | 1967-10-12 | The British Aluminium Company Limited, London | Kathode fur eine Elektrolysezelle zur Herstellung von Aluminium und Verfahren zur Herstellung derselben |
US4308115A (en) * | 1980-08-15 | 1981-12-29 | Aluminum Company Of America | Method of producing aluminum using graphite cathode coated with refractory hard metal |
AU554703B2 (en) * | 1981-07-01 | 1986-08-28 | Moltech Invent S.A. | Electrolytic production of aluminum |
US4678760A (en) * | 1984-04-27 | 1987-07-07 | Aluminum Company Of America | Method of forming a substantially interwoven matrix containing a refractory hard metal and a metal compound |
EP0192602B1 (de) * | 1985-02-18 | 1992-11-11 | MOLTECH Invent S.A. | Aluminiumoxid-Elektrolyse bei niedriger Temperatur |
US5217583A (en) * | 1991-01-30 | 1993-06-08 | University Of Cincinnati | Composite electrode for electrochemical processing and method for using the same in an electrolytic process for producing metallic aluminum |
WO1993010281A1 (en) * | 1991-11-20 | 1993-05-27 | Moltech Invent S.A. | Cell for the electrolysis of alumina preferably at law temperatures |
AU677777B2 (en) * | 1992-04-01 | 1997-05-08 | Moltech Invent S.A. | Prevention of oxidation of carbonaceous and other materials at high temperatures |
DE69404634D1 (de) * | 1993-03-09 | 1997-09-04 | Moltech Invent Sa | Behandelte kathoden fuer die aluminium erzeugung |
US5397450A (en) * | 1993-03-22 | 1995-03-14 | Moltech Invent S.A. | Carbon-based bodies in particular for use in aluminium production cells |
CA2174741C (en) * | 1993-11-12 | 2001-10-02 | Jainagesh A. Sekhar | Composite refractory/carbon-containing components of aluminium production cells |
-
1995
- 1995-08-07 US US08/511,907 patent/US5728466A/en not_active Expired - Fee Related
-
1996
- 1996-08-06 WO PCT/IB1996/000779 patent/WO1997006290A1/en active IP Right Grant
- 1996-08-06 US US09/117,063 patent/US6180182B1/en not_active Expired - Fee Related
- 1996-08-06 DE DE69603370T patent/DE69603370D1/de not_active Expired - Lifetime
- 1996-08-06 AU AU64679/96A patent/AU700094B2/en not_active Ceased
- 1996-08-06 EP EP96924111A patent/EP0843746B1/de not_active Expired - Lifetime
- 1996-08-06 CA CA002230862A patent/CA2230862A1/en not_active Abandoned
-
1998
- 1998-04-16 NO NO981721A patent/NO981721L/no not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
AU700094B2 (en) | 1998-12-24 |
EP0843746A1 (de) | 1998-05-27 |
EP0843746B1 (de) | 1999-07-21 |
US5728466A (en) | 1998-03-17 |
NO981721D0 (no) | 1998-04-16 |
NO981721L (no) | 1998-04-16 |
US6180182B1 (en) | 2001-01-30 |
WO1997006290A1 (en) | 1997-02-20 |
CA2230862A1 (en) | 1997-02-20 |
AU6467996A (en) | 1997-03-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8332 | No legal effect for de |