AR021489A1 - MÉTODO Y DISPOSITIVO PARA LA LIMPIEZA EN SECO DEL GAS DE SALIDA DE HORNOS DE REDUCCIoN DE ALUMINIO - Google Patents
MÉTODO Y DISPOSITIVO PARA LA LIMPIEZA EN SECO DEL GAS DE SALIDA DE HORNOS DE REDUCCIoN DE ALUMINIOInfo
- Publication number
- AR021489A1 AR021489A1 ARP990104661A ARP990104661A AR021489A1 AR 021489 A1 AR021489 A1 AR 021489A1 AR P990104661 A ARP990104661 A AR P990104661A AR P990104661 A ARP990104661 A AR P990104661A AR 021489 A1 AR021489 A1 AR 021489A1
- Authority
- AR
- Argentina
- Prior art keywords
- alumina
- dry cleaning
- aluminum reduction
- outlet gas
- stream
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title abstract 2
- 229910052782 aluminium Inorganic materials 0.000 title abstract 2
- 238000005108 dry cleaning Methods 0.000 title abstract 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract 4
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 abstract 2
- 239000002245 particle Substances 0.000 abstract 2
- 230000005484 gravity Effects 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
- 238000011144 upstream manufacturing Methods 0.000 abstract 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/02—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising gravity
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B4/00—Separating by pneumatic tables or by pneumatic jigs
- B03B4/06—Separating by pneumatic tables or by pneumatic jigs using fixed and inclined tables ; using stationary pneumatic tables, e.g. fluidised beds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B4/00—Separating solids from solids by subjecting their mixture to gas currents
- B07B4/02—Separating solids from solids by subjecting their mixture to gas currents while the mixtures fall
-
- 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
- C25C3/22—Collecting emitted gases
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Fertilizers (AREA)
Abstract
Un método para reducir la caída de presion, aumentar la capacidad y mejorar el grado de separacion en plantas para la limpieza en seco de gas de salidaproveniente de hornos de reduccion de aluminio, en el cual, al menos parcialmente, de maneraselect iva separar partículas de fluoruro de grano fino de aluminareciclada en el proceso. Un dispositivo comprende uno o más planos inclinados en los que la alumina fluye hacia abajo por gravedad, y se proveen dispositivoscon cuya ayuda unacorriente ascen dente de aire o gas es dirigida para soplar sobre la corriente de alumina a fin de separar fluoruro en partículas de granofino desde la corriente de alumina.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NO984318A NO314023B1 (no) | 1998-09-17 | 1998-09-17 | Fremgangsmåte og innretning for å øke effektiviteten for tørre renseanlegg |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| AR021489A1 true AR021489A1 (es) | 2002-07-24 |
Family
ID=19902428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ARP990104661A AR021489A1 (es) | 1998-09-17 | 1999-09-16 | MÉTODO Y DISPOSITIVO PARA LA LIMPIEZA EN SECO DEL GAS DE SALIDA DE HORNOS DE REDUCCIoN DE ALUMINIO |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US6726020B1 (es) |
| EP (1) | EP1115910A1 (es) |
| AR (1) | AR021489A1 (es) |
| AU (1) | AU768438B2 (es) |
| BR (1) | BR9913788B1 (es) |
| CA (1) | CA2344545C (es) |
| IS (1) | IS2371B (es) |
| NO (1) | NO314023B1 (es) |
| RU (1) | RU2224825C2 (es) |
| WO (1) | WO2000015873A1 (es) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100362140C (zh) * | 2004-07-06 | 2008-01-16 | 贵阳铝镁设计研究院 | 铝电解生产中氟化物净化工艺及其除尘器 |
| US20060086253A1 (en) * | 2004-10-27 | 2006-04-27 | Siddhartha Gaur | Cyclone separator cooler |
| DE102010032207B4 (de) * | 2010-07-26 | 2014-02-13 | Süd-Chemie Ip Gmbh & Co. Kg | Verfahren zur Verminderung von magnetischen und/oder oxidischen Verunreinigungen in Lithium-Metall-Sauerstoff-Verbindungen |
| EP3152340A4 (en) * | 2014-06-09 | 2018-01-24 | Bechtel Mining & Metals, Inc. | Integrated gas treatment |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1416344A (en) * | 1972-02-18 | 1975-12-03 | Alcan Res & Dev | Method of recovering fluorine from aluminium reduction cell waste gases |
| US3790143A (en) * | 1972-07-31 | 1974-02-05 | Fuller Co | Removal of fluorides from gases |
| US4065271A (en) | 1973-09-15 | 1977-12-27 | Metallgesellschaft Aktiengesellschaft | Process of separating hydrogen fluoride from gases |
| NO147791C (no) * | 1981-02-05 | 1983-06-15 | Norsk Viftefabrikk As | Fremgangsmaate for fraskilling av fint stoev som inneholder forurensninger fra aluminiumoksyd som har vaert anvendt som adsorbent i et toert rensesystem |
| CA1197074A (en) | 1981-12-04 | 1985-11-26 | Isaias Loukos | Method and apparatus for cleaning waste gases from aluminum production facilities |
| US4973458A (en) * | 1989-05-09 | 1990-11-27 | Westinghouse Electric Corp. | Fluidized bed system for removing particulate contaminants from a gaseous stream |
| WO1995013866A1 (en) * | 1993-11-16 | 1995-05-26 | Comalco Aluminium Limited | Countercurrent gas-solid contacting |
| US6290752B1 (en) * | 1998-10-22 | 2001-09-18 | Von Roll Umwelttechnik Ag | Device and process for adsorption or chemisorption of gaseous constituents from a gas flow |
-
1998
- 1998-09-17 NO NO984318A patent/NO314023B1/no not_active IP Right Cessation
-
1999
- 1999-09-16 BR BRPI9913788-7A patent/BR9913788B1/pt not_active IP Right Cessation
- 1999-09-16 US US09/787,317 patent/US6726020B1/en not_active Expired - Lifetime
- 1999-09-16 WO PCT/NO1999/000284 patent/WO2000015873A1/en not_active Application Discontinuation
- 1999-09-16 AU AU57656/99A patent/AU768438B2/en not_active Ceased
- 1999-09-16 CA CA002344545A patent/CA2344545C/en not_active Expired - Lifetime
- 1999-09-16 RU RU2001110358/02A patent/RU2224825C2/ru not_active IP Right Cessation
- 1999-09-16 EP EP99944940A patent/EP1115910A1/en not_active Ceased
- 1999-09-16 AR ARP990104661A patent/AR021489A1/es active IP Right Grant
-
2001
- 2001-03-15 IS IS5892A patent/IS2371B/is unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BR9913788A (pt) | 2001-05-29 |
| NO984318D0 (no) | 1998-09-17 |
| BR9913788B1 (pt) | 2009-08-11 |
| IS5892A (is) | 2001-03-15 |
| CA2344545C (en) | 2007-05-29 |
| NO984318L (no) | 2000-03-20 |
| AU768438B2 (en) | 2003-12-11 |
| WO2000015873A1 (en) | 2000-03-23 |
| RU2224825C2 (ru) | 2004-02-27 |
| CA2344545A1 (en) | 2000-03-23 |
| AU5765699A (en) | 2000-04-03 |
| EP1115910A1 (en) | 2001-07-18 |
| NO314023B1 (no) | 2003-01-20 |
| US6726020B1 (en) | 2004-04-27 |
| IS2371B (is) | 2008-06-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FG | Grant, registration |