SE503678C2 - Sätt och anordning att ur ett gasformigt medium avskilja ämnen genom torr adsorption - Google Patents
Sätt och anordning att ur ett gasformigt medium avskilja ämnen genom torr adsorptionInfo
- Publication number
- SE503678C2 SE503678C2 SE9404061A SE9404061A SE503678C2 SE 503678 C2 SE503678 C2 SE 503678C2 SE 9404061 A SE9404061 A SE 9404061A SE 9404061 A SE9404061 A SE 9404061A SE 503678 C2 SE503678 C2 SE 503678C2
- Authority
- SE
- Sweden
- Prior art keywords
- gas
- adsorption
- alumina
- sulfur dioxide
- separated
- Prior art date
Links
- 238000001179 sorption measurement Methods 0.000 title claims abstract description 122
- 238000000034 method Methods 0.000 title claims abstract description 83
- 239000000126 substance Substances 0.000 title claims abstract description 45
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 claims abstract description 160
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims abstract description 35
- 239000011737 fluorine Substances 0.000 claims abstract description 35
- 229910052731 fluorine Inorganic materials 0.000 claims abstract description 35
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 22
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 22
- 238000003795 desorption Methods 0.000 claims abstract description 21
- 238000004519 manufacturing process Methods 0.000 claims abstract description 20
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 82
- 239000007789 gas Substances 0.000 claims description 82
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims description 25
- 229910000040 hydrogen fluoride Inorganic materials 0.000 claims description 25
- 239000012159 carrier gas Substances 0.000 claims description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims 1
- 229910001873 dinitrogen Inorganic materials 0.000 claims 1
- 230000001590 oxidative effect Effects 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 239000003463 adsorbent Substances 0.000 abstract description 31
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 abstract description 7
- 238000004064 recycling Methods 0.000 abstract description 5
- 238000000926 separation method Methods 0.000 abstract description 5
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 abstract description 3
- 235000010269 sulphur dioxide Nutrition 0.000 abstract 5
- 239000004291 sulphur dioxide Substances 0.000 abstract 1
- FFBHFFJDDLITSX-UHFFFAOYSA-N benzyl N-[2-hydroxy-4-(3-oxomorpholin-4-yl)phenyl]carbamate Chemical compound OC1=C(NC(=O)OCC2=CC=CC=C2)C=CC(=C1)N1CCOCC1=O FFBHFFJDDLITSX-UHFFFAOYSA-N 0.000 description 11
- 238000005868 electrolysis reaction Methods 0.000 description 11
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 5
- 230000007613 environmental effect Effects 0.000 description 5
- 150000002222 fluorine compounds Chemical class 0.000 description 5
- 239000011574 phosphorus Substances 0.000 description 5
- 229910052698 phosphorus Inorganic materials 0.000 description 5
- 238000011946 reduction process Methods 0.000 description 5
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 4
- 229910052717 sulfur Inorganic materials 0.000 description 4
- 239000011593 sulfur Substances 0.000 description 4
- YWEUIGNSBFLMFL-UHFFFAOYSA-N diphosphonate Chemical compound O=P(=O)OP(=O)=O YWEUIGNSBFLMFL-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- DLYUQMMRRRQYAE-UHFFFAOYSA-N phosphorus pentoxide Inorganic materials O1P(O2)(=O)OP3(=O)OP1(=O)OP2(=O)O3 DLYUQMMRRRQYAE-UHFFFAOYSA-N 0.000 description 3
- 229920006395 saturated elastomer Polymers 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003009 desulfurizing effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- -1 hydrogen fluoride Chemical class 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- JTJMJGYZQZDUJJ-UHFFFAOYSA-N phencyclidine Chemical class C1CCCCN1C1(C=2C=CC=CC=2)CCCCC1 JTJMJGYZQZDUJJ-UHFFFAOYSA-N 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 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
- C25C3/22—Collecting emitted gases
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/06—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with moving adsorbents, e.g. rotating beds
- B01D53/10—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with moving adsorbents, e.g. rotating beds with dispersed adsorbents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/68—Halogens or halogen compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/81—Solid phase processes
- B01D53/83—Solid phase processes with moving reactants
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Environmental & Geological Engineering (AREA)
- Biomedical Technology (AREA)
- Health & Medical Sciences (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Treating Waste Gases (AREA)
- Separation Of Gases By Adsorption (AREA)
- Electrolytic Production Of Metals (AREA)
Priority Applications (23)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE9404061A SE503678C2 (sv) | 1994-11-23 | 1994-11-23 | Sätt och anordning att ur ett gasformigt medium avskilja ämnen genom torr adsorption |
| JP51678296A JP3859706B2 (ja) | 1994-11-23 | 1995-11-22 | 乾式吸着により気体状媒体から物質を分離する方法 |
| NZ296233A NZ296233A (en) | 1994-11-23 | 1995-11-22 | Separating substances from gaseous medium by dry adsorption |
| RU97110225/12A RU2153923C2 (ru) | 1994-11-23 | 1995-11-22 | Способ выделения веществ из газовой среды посредством сухой адсорбции |
| BR9510702-9A BR9510702A (pt) | 1994-11-23 | 1995-11-22 | Método para separação de substâncias de um meio gasoso por adsorção a seco |
| ES95938692T ES2157349T3 (es) | 1994-11-23 | 1995-11-22 | Metodo para separar sustancias de un medio gaseoso por adsorcion por via seca. |
| US08/836,718 US5885539A (en) | 1994-11-23 | 1995-11-22 | Method for separating substances from a gaseous medium by dry adsorption |
| PCT/SE1995/001392 WO1996015846A1 (fr) | 1994-11-23 | 1995-11-22 | Procede de separation de substances d'un milieu gazeux par adsorption a sec |
| SK632-97A SK282042B6 (sk) | 1994-11-23 | 1995-11-22 | Spôsob oddeľovania látok z plynného média suchou adsorpciou |
| AR33433795A AR000261A1 (es) | 1994-11-23 | 1995-11-22 | Método para separar sustancias de un medio gaseosomediante adsorción en seco |
| TJ97000472A TJ338B (en) | 1994-11-23 | 1995-11-22 | Method for separating substances from a gaseous medium by dry adsorption |
| RO97-00935A RO115602B1 (ro) | 1994-11-23 | 1995-11-22 | Procedeu de separare a substantelor cu continut de fluor dintr-un gaz emis in procesul de producere a aluminiului |
| AU39974/95A AU687277B2 (en) | 1994-11-23 | 1995-11-22 | Method for separating substances from a gaseous medium by dry adsorption |
| SI9520117A SI9520117A (en) | 1994-11-23 | 1995-11-22 | Method for separating substances from a gaseous medium by dry adsorption |
| CN95196407A CN1070387C (zh) | 1994-11-23 | 1995-11-22 | 通过干式吸附从气态介质中分离物质的方法 |
| DE69520593T DE69520593T2 (de) | 1994-11-23 | 1995-11-22 | Methode zur abtrennung von stoffen aus einem gasförmigen medium durch trockene adsorption |
| EP95938692A EP0793527B1 (fr) | 1994-11-23 | 1995-11-22 | Procede de separation de substances d'un milieu gazeux par adsorption a sec |
| UA97062894A UA44749C2 (uk) | 1994-11-23 | 1995-11-22 | Спосіб відділення при очищенні газу, виділеного з процесу одержання алюмінію, фторовмісних речовин від газу |
| CA002203669A CA2203669C (fr) | 1994-11-23 | 1995-11-22 | Procede de separation de substances d'un milieu gazeux par adsorption a sec |
| IS4471A IS1778B (is) | 1994-11-23 | 1997-04-23 | Aðferð til að aðskilja efni úr loftkenndu umhverfi með þurru aðsogi |
| MXPA/A/1997/003458A MXPA97003458A (en) | 1994-11-23 | 1997-05-12 | Method to separate substances from a gaseous medium by adsorption in s |
| NO19972347A NO302800B1 (no) | 1994-11-23 | 1997-05-22 | Fremgangsmate for a skille ut bestanddeler fra et gassformig medium ved torradsorpsjon |
| BR9703383A BR9703383A (pt) | 1994-11-23 | 1997-05-23 | Método para separação de substâncias de um meio gasoso para absorção a seco |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE9404061A SE503678C2 (sv) | 1994-11-23 | 1994-11-23 | Sätt och anordning att ur ett gasformigt medium avskilja ämnen genom torr adsorption |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| SE9404061D0 SE9404061D0 (sv) | 1994-11-23 |
| SE9404061L SE9404061L (sv) | 1996-05-24 |
| SE503678C2 true SE503678C2 (sv) | 1996-07-29 |
Family
ID=20396087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE9404061A SE503678C2 (sv) | 1994-11-23 | 1994-11-23 | Sätt och anordning att ur ett gasformigt medium avskilja ämnen genom torr adsorption |
Country Status (21)
| Country | Link |
|---|---|
| US (1) | US5885539A (fr) |
| EP (1) | EP0793527B1 (fr) |
| JP (1) | JP3859706B2 (fr) |
| CN (1) | CN1070387C (fr) |
| AR (1) | AR000261A1 (fr) |
| AU (1) | AU687277B2 (fr) |
| BR (2) | BR9510702A (fr) |
| CA (1) | CA2203669C (fr) |
| DE (1) | DE69520593T2 (fr) |
| ES (1) | ES2157349T3 (fr) |
| IS (1) | IS1778B (fr) |
| NO (1) | NO302800B1 (fr) |
| NZ (1) | NZ296233A (fr) |
| RO (1) | RO115602B1 (fr) |
| RU (1) | RU2153923C2 (fr) |
| SE (1) | SE503678C2 (fr) |
| SI (1) | SI9520117A (fr) |
| SK (1) | SK282042B6 (fr) |
| TJ (1) | TJ338B (fr) |
| UA (1) | UA44749C2 (fr) |
| WO (1) | WO1996015846A1 (fr) |
Families Citing this family (30)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NO307042B1 (no) * | 1996-06-06 | 2000-01-31 | Flaekt Ab | Horisontal fluidseng for transport og distribusjon av pulver |
| WO1997049479A1 (fr) * | 1996-06-26 | 1997-12-31 | Cs-Gmbh Halbleiter- Und Solartechnologie | Procede d'elimination de composes fluores detruisant la couche d'ozone et/ou agissant sur le climat, contenus dans un courant gazeux et utilisation dudit procede |
| NO310933B1 (no) * | 1997-06-25 | 2001-09-17 | Flaekt Ab | Renseanlegg |
| NO314023B1 (no) * | 1998-09-17 | 2003-01-20 | Flaekt Ab | Fremgangsmåte og innretning for å øke effektiviteten for tørre renseanlegg |
| RU2221628C1 (ru) * | 2002-12-15 | 2004-01-20 | Открытое акционерное общество "Сибирский научно-исследовательский, конструкторский и проектный институт алюминиевой и электродной промышленности" | Способ очистки отходящих газов электролитического производства алюминия |
| 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 |
| RU2315824C2 (ru) * | 2006-02-14 | 2008-01-27 | Общество с ограниченной ответственностью "Русская инжиниринговая компания" | Способ децентрализованной сухой очистки газов от электролизеров для производства алюминия |
| CN101389396B (zh) * | 2006-02-23 | 2013-04-17 | 索立奥斯环境公司 | 提供有化学中和剂和/或吸附剂的至少两个气流反应器的群 |
| FR2917818B1 (fr) * | 2007-06-21 | 2009-09-25 | Solios Environnement Sa | Procede d'optimisation de la commande d'un centre de traitement des fumees d'un four a feu tournant de cuisson de blocs carbones |
| DK2078555T3 (da) * | 2008-01-11 | 2013-11-25 | Ae & E Inova Ag | Fremgangsmåde og anlæg til rensning af røggasser |
| ES2377757T3 (es) * | 2008-10-28 | 2012-03-30 | Alstom Technology Ltd | Procedimiento y dispositivo para verificar y controlar la eliminación del fluoruro de hidrógeno de un gas de proceso. |
| EP2360296B1 (fr) | 2010-01-21 | 2017-03-15 | General Electric Technology GmbH | Procédé de ventilation d'une cellule électrolytique de production d'aluminium |
| EP2407228B1 (fr) | 2010-07-14 | 2016-09-07 | General Electric Technology GmbH | Unité de nettoyage des gaz et procédé de nettoyage des gaz |
| EP2431499B1 (fr) | 2010-09-17 | 2014-04-23 | Alstom Technology Ltd | Système de collecte de gaz brut |
| US20120152265A1 (en) | 2010-12-17 | 2012-06-21 | R.J. Reynolds Tobacco Company | Tobacco-Derived Syrup Composition |
| EP2469207B1 (fr) * | 2010-12-22 | 2018-06-20 | General Electric Technology GmbH | Système de nettoyage de gaz d'usine métallurgique et procédé de nettoyage d'un gaz effluent |
| ES2442902T3 (es) | 2011-02-18 | 2014-02-14 | Alstom Technology Ltd | Dispositivo y método para depurar un gas efluente de una célula electrolítica de producción de aluminio |
| EP2489421B1 (fr) | 2011-02-18 | 2021-03-31 | General Electric Technology GmbH | Épurateur par voie humide pour le nettoyage d'un gaz effluent comprennant un distributeur de gaz avec un diffuseur |
| FR2984366B1 (fr) * | 2011-12-19 | 2014-01-17 | Solios Environnement | Procede et dispositif pour ameliorer la captation du so2 dans des gaz de cuves d'electrolyse |
| US9234286B2 (en) | 2012-05-04 | 2016-01-12 | Alstom Technology Ltd | Recycled pot gas pot distribution |
| US8920540B2 (en) | 2012-06-08 | 2014-12-30 | Alstom Technology Ltd | Compact air quality control system compartment for aluminium production plant |
| FR3029537B1 (fr) * | 2014-12-08 | 2016-12-09 | Rio Tinto Alcan Int Ltd | Usine d'electrolyse et procede de traitement des gaz de cuve |
| FR3032626B1 (fr) * | 2015-02-13 | 2020-01-17 | Fives Solios | Procede et dispositif pour ameliorer la captation du so2 issu des gaz de cuves d'electrolyse par un ensemble de modules filtrants |
| FI20155805A7 (fi) * | 2015-11-04 | 2017-05-05 | Sumitomo SHI FW Energia Oy | Menetelmä kiertoleijupetikattilalaitoksesta syntyvien savukaasujen rikkidioksiidipitoisuuden vähentämiseksi |
| RU2668926C2 (ru) * | 2017-02-16 | 2018-10-04 | Общество с ограниченной ответственностью "Объединенная Компания РУСАЛ Инженерно-технологический центр" | Газоочистной блок очистки электролизных газов с газоочистным модулем, содержащим фильтр рукавный и реактор |
| EP3569301B1 (fr) | 2018-05-18 | 2021-12-15 | Reel Alesa AG | Appareil et procédé de fourniture d'alumine contrôlée |
| MX2023005250A (es) | 2020-11-06 | 2023-07-18 | Kimberly Clark Co | Pulpa no leñosa con alto brillo y pocos residuos. |
| MX2023005252A (es) | 2020-11-06 | 2023-07-11 | Kimberly Clark Co | Pulpa dispersable no leñosa. |
| NO347339B1 (en) | 2021-02-10 | 2023-09-25 | Norwegian Emission Abatement Tech As | A system and method for dry sorption |
| FR3155436A1 (fr) * | 2023-11-16 | 2025-05-23 | Fives Solios | Captation d’un composant polluant concentré provenant d’une cuve d’électrolyse pour la production d'aluminium |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2056096B2 (de) * | 1970-11-14 | 1978-09-28 | Metallgesellschaft Ag, 6000 Frankfurt | Verfahren zur Abtrennung von Fluorwasserstoff aus Gasen |
| US3760565A (en) * | 1971-07-19 | 1973-09-25 | Aluminum Co Of America | Anti-pollution method |
| SE362901B (fr) * | 1971-10-27 | 1973-12-27 | Svenska Flaektfabriken Ab | |
| GB1416344A (en) * | 1972-02-18 | 1975-12-03 | Alcan Res & Dev | Method of recovering fluorine from aluminium reduction cell waste gases |
| GB1571222A (en) * | 1977-03-10 | 1980-07-09 | Ardal Og Sunndal Verk | Process and apparatus for treatment of waste gases |
| CA1197074A (fr) * | 1981-12-04 | 1985-11-26 | Isaias Loukos | Methode et installation de depollution des gaz venus la production de l'aluminium |
| JP2592115B2 (ja) * | 1988-10-27 | 1997-03-19 | 三菱重工業株式会社 | Ｓｏ▲下２▼含有排ガスからｓｏ▲下２▼を徐去する方法 |
| NZ239236A (en) * | 1990-08-03 | 1993-11-25 | Comalco Alu | Toroidal gas scrubber for aluminium potline exhaust gas achieves high sorption rate with fine fraction of alumina feed |
| IS3896A (is) * | 1991-08-07 | 1993-02-08 | Comalco Aluminium Limited | Hreinsun á loftkenndum flúoríðum úr útblæstri iðjuvera |
| JPH0741309A (ja) * | 1993-05-07 | 1995-02-10 | Inco Ltd | 二酸化硫黄含有ガスの脱硫方法 |
-
1994
- 1994-11-23 SE SE9404061A patent/SE503678C2/sv not_active IP Right Cessation
-
1995
- 1995-11-22 RU RU97110225/12A patent/RU2153923C2/ru active
- 1995-11-22 CN CN95196407A patent/CN1070387C/zh not_active Expired - Lifetime
- 1995-11-22 EP EP95938692A patent/EP0793527B1/fr not_active Expired - Lifetime
- 1995-11-22 AU AU39974/95A patent/AU687277B2/en not_active Expired
- 1995-11-22 CA CA002203669A patent/CA2203669C/fr not_active Expired - Lifetime
- 1995-11-22 UA UA97062894A patent/UA44749C2/uk unknown
- 1995-11-22 TJ TJ97000472A patent/TJ338B/xx unknown
- 1995-11-22 SK SK632-97A patent/SK282042B6/sk not_active IP Right Cessation
- 1995-11-22 SI SI9520117A patent/SI9520117A/sl not_active IP Right Cessation
- 1995-11-22 US US08/836,718 patent/US5885539A/en not_active Expired - Lifetime
- 1995-11-22 JP JP51678296A patent/JP3859706B2/ja not_active Expired - Fee Related
- 1995-11-22 RO RO97-00935A patent/RO115602B1/ro unknown
- 1995-11-22 ES ES95938692T patent/ES2157349T3/es not_active Expired - Lifetime
- 1995-11-22 AR AR33433795A patent/AR000261A1/es unknown
- 1995-11-22 WO PCT/SE1995/001392 patent/WO1996015846A1/fr not_active Ceased
- 1995-11-22 DE DE69520593T patent/DE69520593T2/de not_active Expired - Fee Related
- 1995-11-22 NZ NZ296233A patent/NZ296233A/xx not_active IP Right Cessation
- 1995-11-22 BR BR9510702-9A patent/BR9510702A/pt not_active IP Right Cessation
-
1997
- 1997-04-23 IS IS4471A patent/IS1778B/is unknown
- 1997-05-22 NO NO19972347A patent/NO302800B1/no not_active IP Right Cessation
- 1997-05-23 BR BR9703383A patent/BR9703383A/pt unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NZ296233A (en) | 1998-10-28 |
| BR9703383A (pt) | 1998-08-25 |
| SK282042B6 (sk) | 2001-10-08 |
| AU3997495A (en) | 1996-06-17 |
| AR000261A1 (es) | 1997-06-18 |
| TJ338B (en) | 2002-07-01 |
| CN1070387C (zh) | 2001-09-05 |
| NO972347D0 (no) | 1997-05-22 |
| IS1778B (is) | 2001-08-15 |
| CA2203669C (fr) | 2006-03-14 |
| US5885539A (en) | 1999-03-23 |
| EP0793527B1 (fr) | 2001-04-04 |
| NO302800B1 (no) | 1998-04-27 |
| IS4471A (is) | 1997-04-23 |
| NO972347L (no) | 1997-05-22 |
| SE9404061L (sv) | 1996-05-24 |
| DE69520593T2 (de) | 2001-10-31 |
| CN1166791A (zh) | 1997-12-03 |
| ES2157349T3 (es) | 2001-08-16 |
| RO115602B1 (ro) | 2000-04-28 |
| BR9510702A (pt) | 2000-11-07 |
| JPH10509215A (ja) | 1998-09-08 |
| SK63297A3 (en) | 1997-10-08 |
| CA2203669A1 (fr) | 1996-05-30 |
| SE9404061D0 (sv) | 1994-11-23 |
| UA44749C2 (uk) | 2002-03-15 |
| EP0793527A1 (fr) | 1997-09-10 |
| WO1996015846A1 (fr) | 1996-05-30 |
| SI9520117A (en) | 1997-08-31 |
| AU687277B2 (en) | 1998-02-19 |
| MX9703458A (es) | 1997-07-31 |
| RU2153923C2 (ru) | 2000-08-10 |
| JP3859706B2 (ja) | 2006-12-20 |
| DE69520593D1 (de) | 2001-05-10 |
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| Date | Code | Title | Description |
|---|---|---|---|
| NUG | Patent has lapsed |