FI95662B - Förrening av luften för separation - Google Patents
Förrening av luften för separation Download PDFInfo
- Publication number
- FI95662B FI95662B FI911552A FI911552A FI95662B FI 95662 B FI95662 B FI 95662B FI 911552 A FI911552 A FI 911552A FI 911552 A FI911552 A FI 911552A FI 95662 B FI95662 B FI 95662B
- Authority
- FI
- Finland
- Prior art keywords
- gas
- adsorption
- layer
- air
- product
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
-
- 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
- B01D53/04—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 stationary adsorbents
- B01D53/047—Pressure swing adsorption
- B01D53/0476—Vacuum pressure swing adsorption
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
- F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
- F25J3/04—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air
- F25J3/04151—Purification and (pre-)cooling of the feed air; recuperative heat-exchange with product streams
- F25J3/04163—Hot end purification of the feed air
- F25J3/04169—Hot end purification of the feed air by adsorption of the impurities
- F25J3/04181—Regenerating the adsorbents
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/104—Alumina
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/106—Silica or silicates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/106—Silica or silicates
- B01D2253/108—Zeolites
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/30—Physical properties of adsorbents
- B01D2253/302—Dimensions
- B01D2253/304—Linear dimensions, e.g. particle shape, diameter
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/50—Carbon oxides
- B01D2257/504—Carbon dioxide
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/80—Water
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/40—Further details for adsorption processes and devices
- B01D2259/40011—Methods relating to the process cycle in pressure or temperature swing adsorption
- B01D2259/40028—Depressurization
- B01D2259/4003—Depressurization with two sub-steps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/40—Further details for adsorption processes and devices
- B01D2259/40011—Methods relating to the process cycle in pressure or temperature swing adsorption
- B01D2259/40028—Depressurization
- B01D2259/40032—Depressurization with three sub-steps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/40—Further details for adsorption processes and devices
- B01D2259/40011—Methods relating to the process cycle in pressure or temperature swing adsorption
- B01D2259/40035—Equalization
- B01D2259/40037—Equalization with two sub-steps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/40—Further details for adsorption processes and devices
- B01D2259/40011—Methods relating to the process cycle in pressure or temperature swing adsorption
- B01D2259/40043—Purging
- B01D2259/4005—Nature of purge gas
- B01D2259/40052—Recycled product or process gas
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/40—Further details for adsorption processes and devices
- B01D2259/40011—Methods relating to the process cycle in pressure or temperature swing adsorption
- B01D2259/40043—Purging
- B01D2259/4005—Nature of purge gas
- B01D2259/40056—Gases other than recycled product or process gas
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/40—Further details for adsorption processes and devices
- B01D2259/40011—Methods relating to the process cycle in pressure or temperature swing adsorption
- B01D2259/40058—Number of sequence steps, including sub-steps, per cycle
- B01D2259/40064—Five
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/40—Further details for adsorption processes and devices
- B01D2259/40011—Methods relating to the process cycle in pressure or temperature swing adsorption
- B01D2259/40058—Number of sequence steps, including sub-steps, per cycle
- B01D2259/40069—Eight
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/40—Further details for adsorption processes and devices
- B01D2259/402—Further details for adsorption processes and devices using two beds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/40—Further details for adsorption processes and devices
- B01D2259/416—Further details for adsorption processes and devices involving cryogenic temperature treatment
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J2205/00—Processes or apparatus using other separation and/or other processing means
- F25J2205/60—Processes or apparatus using other separation and/or other processing means using adsorption on solid adsorbents, e.g. by temperature-swing adsorption [TSA] at the hot or cold end
- F25J2205/64—Processes or apparatus using other separation and/or other processing means using adsorption on solid adsorbents, e.g. by temperature-swing adsorption [TSA] at the hot or cold end by pressure-swing adsorption [PSA] at the hot end
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J2290/00—Other details not covered by groups F25J2200/00 - F25J2280/00
- F25J2290/12—Particular process parameters like pressure, temperature, ratios
-
- 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
- Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
- Y02C20/00—Capture or disposal of greenhouse gases
- Y02C20/40—Capture or disposal of greenhouse gases of CO2
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Separation Of Gases By Adsorption (AREA)
- Separation By Low-Temperature Treatments (AREA)
Claims (7)
1. Trycksvängsadsorptionsförfarande för att avlägsna gas-15 formiga föroreningar som innehäller vattenänga och koldi- oxid frän luften, kännetecknat av att det innefattar säsom en cyklisk sekvens: a) införing av luft under tryck in i en första adsorp-tionsbädd, som innehäller en adsorbent med selektiv adsorp- .· 20 tionsförmäga för vattenänga samt zeolit 13X, vars partikel-storlek i medeltal är ca. 0,6-1,6 mm, för att avlägsna nämnda föroreningar frän luften och för att ästadkomma pro-duktgas, b) i slutet av avlägsningssteget upphöring av luftmatnin-25 gen och ventilering av nämnda bädd tili atmosfären, c) evakuering av nämnda bädd genom att koppia densamma med en vakuumkälla samtidigt som ventileringen av den utkomman-de gasen fortsättes, d) införing av en rengöringsgas in i nämnda bädd samtidigt 30 som evakueringen av nämnda bädd fortsättes medelst vakuum- källan, och e) fyllning av nämnda bädd med produktgasen frän en annan adsorptionsbädd, som fungerar i otakt med den första bädden sä, att den ena av bäddarna ästadkommer produkt gasen i ste- 35 get (a) samtidigt som den andra bädden regenereras medelst stegen (b), (c) och (d). 16 95662
2. Förfarande enligt patentkrav 1, kannetecknat av att adsorptionsbäddarna innehäller aktiverad aluminiumoxid el-ler kiseloxidgel säsom adsorbenten med selektiv adsorp-tionsförmäga för vattenänga. 5
3. Förfarande enligt patentkrav l, kannetecknat av att rengöringsgasen är produktgas som ästadkommits i steget (a) . 10
4. Förfarande enligt patentkrav 1, kannetecknat av att före steget (e) bringas de Övre delarna och bottnarna av adsorptionsbäddarna i förbindelse med varandra för att ut-jämna trycket däremellan. 15
5. Förfarande enligt patentkrav 1, kannetecknat av att produkten förs in i en kryogen luftseparationsenhet.
6. Förfarande enligt patentkrav 5, kannetecknat av att rengöringsgasen är produktgasen frän nämnda enhet. . 20
‘ 7. Förfarande enligt patentkravet 5, kannetecknat därav, att rengöringsgasen är en med kväve anrikad avloppsgas frän nämnda enheten. 1 ·
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/501,065 US5156657A (en) | 1990-03-29 | 1990-03-29 | Process for pre-purification of air for separation |
US50106590 | 1990-03-29 |
Publications (4)
Publication Number | Publication Date |
---|---|
FI911552A0 FI911552A0 (sv) | 1991-03-28 |
FI911552A FI911552A (sv) | 1991-09-30 |
FI95662B true FI95662B (sv) | 1995-11-30 |
FI95662C FI95662C (sv) | 1996-03-11 |
Family
ID=23992019
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI911552A FI95662C (sv) | 1990-03-29 | 1991-03-28 | Förrening av luften för separation |
Country Status (13)
Country | Link |
---|---|
US (1) | US5156657A (sv) |
EP (1) | EP0449451A1 (sv) |
JP (1) | JPH0568833A (sv) |
KR (1) | KR930010762B1 (sv) |
CN (1) | CN1055677A (sv) |
AU (1) | AU626494B2 (sv) |
CA (1) | CA2038180C (sv) |
FI (1) | FI95662C (sv) |
IE (1) | IE911043A1 (sv) |
NO (1) | NO178365C (sv) |
NZ (1) | NZ237419A (sv) |
TR (1) | TR25629A (sv) |
ZA (1) | ZA911857B (sv) |
Families Citing this family (45)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5090973A (en) * | 1990-10-23 | 1992-02-25 | The Boc Group, Inc. | Psa employing high purity purging |
US5345771A (en) * | 1993-03-25 | 1994-09-13 | John Zink Company, A Division Of Koch Engineering Company, Inc. | Process for recovering condensable compounds from inert gas-condensable compound vapor mixtures |
US5398513A (en) * | 1993-12-16 | 1995-03-21 | Klobucar; Joseph M. | Regenerative vapor condenser |
JP3360097B2 (ja) * | 1994-07-06 | 2002-12-24 | 株式会社ニコン | 真空紫外域の光学装置 |
US5463869A (en) * | 1994-08-12 | 1995-11-07 | Air Products And Chemicals, Inc. | Integrated adsorption/cryogenic distillation process for the separation of an air feed |
US5531808A (en) * | 1994-12-23 | 1996-07-02 | The Boc Group, Inc. | Removal of carbon dioxide from gas streams |
US5587003A (en) * | 1995-03-21 | 1996-12-24 | The Boc Group, Inc. | Removal of carbon dioxide from gas streams |
JP3416391B2 (ja) * | 1995-05-25 | 2003-06-16 | 日本酸素株式会社 | 空気液化分離装置の前処理方法及び装置 |
US5571309A (en) * | 1995-07-28 | 1996-11-05 | The Boc Group, Inc. | Adsorption process |
US5919286A (en) * | 1997-03-06 | 1999-07-06 | Air Products And Chemicals, Inc. | PSA process for removel of nitrogen oxides from gas |
US5846295A (en) * | 1997-03-07 | 1998-12-08 | Air Products And Chemicals, Inc. | Temperature swing adsorption |
US5851266A (en) * | 1997-06-23 | 1998-12-22 | Praxair Technology,Inc. | Hybrid solid electrolyte ionic conductor systems for purifying inert gases |
US5944874A (en) * | 1997-06-23 | 1999-08-31 | Praxair Technology, Inc. | Solid electrolyte ionic conductor systems for the production of high purity nitrogen |
US5980611A (en) * | 1997-09-25 | 1999-11-09 | The Boc Group, Inc. | Air purification process |
US6238460B1 (en) | 1997-09-26 | 2001-05-29 | The Boc Group, Inc. | Air purification process |
US5906675A (en) * | 1997-09-30 | 1999-05-25 | The Boc Group, Inc. | Air purification process |
US6010555A (en) * | 1997-11-04 | 2000-01-04 | Praxair Technology, Inc. | Vacuum pressure swing adsorption system and method |
FR2771944B1 (fr) * | 1997-12-08 | 2000-01-14 | Air Liquide | Procede de purification d'air par adsorption sur alumine calcinee des impuretes co2 et h2o |
US5906674A (en) * | 1997-12-16 | 1999-05-25 | The Boc Group, Inc. | Process and apparatus for separating gas mixtures |
FR2773499B1 (fr) * | 1998-01-14 | 2000-02-11 | Air Liquide | Procede de purification par adsorption de l'air avant distillation cryogenique |
FR2775617B1 (fr) * | 1998-03-09 | 2000-04-07 | Ceca Sa | Decarbonatation de flux gazeux au moyen d'adsorbants zeolitiques |
CA2264418C (en) * | 1998-03-12 | 2002-05-14 | Adeola Florence Ojo | Removal of carbon dioxide from gas streams |
US6024781A (en) * | 1998-04-17 | 2000-02-15 | The Boc Group, Inc. | Separation of carbon dioxide and hydrocarbons |
US6183539B1 (en) | 1998-07-01 | 2001-02-06 | Zeochem Co. | Molecular sieve adsorbent for gas purification and preparation thereof |
US6106593A (en) * | 1998-10-08 | 2000-08-22 | Air Products And Chemicals, Inc. | Purification of air |
JP4252668B2 (ja) * | 1999-05-11 | 2009-04-08 | 大陽日酸株式会社 | ガス精製方法 |
US6358302B1 (en) | 1999-11-18 | 2002-03-19 | The Boc Group, Inc. | Purification of gases using multi-composite adsorbent |
US6471744B1 (en) * | 2001-08-16 | 2002-10-29 | Sequal Technologies, Inc. | Vacuum-pressure swing absorption fractionator and method of using the same |
US7722698B2 (en) | 2008-02-21 | 2010-05-25 | Delphi Technologies, Inc. | Method of determining the purity of oxygen present in an oxygen-enriched gas produced from an oxygen delivery system |
US8075676B2 (en) * | 2008-02-22 | 2011-12-13 | Oxus America, Inc. | Damping apparatus for scroll compressors for oxygen-generating systems |
US20090212962A1 (en) * | 2008-02-22 | 2009-08-27 | Delphi Technologies, Inc. | Oxygen Generating System with Self-Contained Electronic Diagnostics and Fault-Tolerant Operation |
WO2010109477A2 (en) | 2009-03-27 | 2010-09-30 | Council Of Scientific & Industrial Research | A process for the preparation of molecular sieve adsorbent for the size/shape selective adsorption of carbon dioxide from its gaseous mixture with nitrogen |
WO2010113169A1 (en) | 2009-03-31 | 2010-10-07 | Council Of Scientific & Industrial Research | A process for the preparation and use of pentasil type zeolite for the selective adsorption of carbon dioxide from flue gas |
KR101381443B1 (ko) | 2012-06-27 | 2014-04-04 | 한국화학연구원 | 이산화탄소 포집장치 |
WO2015179884A2 (en) * | 2014-05-21 | 2015-11-26 | Tegnon (Pty) Ltd | A cyclical system for the regeneration of desiccant |
EP3375517B1 (en) | 2017-03-17 | 2023-03-08 | Air Products And Chemicals, Inc. | Alkali-promoted activated alumina adsorbent |
CN106925235B (zh) * | 2017-03-27 | 2019-10-08 | 东北大学 | 一种可高效分离湿气中co2的吸附剂及其制备方法 |
BR112019023852A2 (pt) | 2017-05-24 | 2020-06-02 | Basf Corporation | Leito adsorvente/dissecante misturado, leito misturado, sistema de remoção de água e método de remoção de água |
CN112334721A (zh) | 2018-12-03 | 2021-02-05 | 开利公司 | 增强制冷吹扫*** |
CN112334720A (zh) | 2018-12-03 | 2021-02-05 | 开利公司 | 增强的制冷净化*** |
US11913693B2 (en) | 2018-12-03 | 2024-02-27 | Carrier Corporation | Enhanced refrigeration purge system |
CN112334656A (zh) | 2018-12-03 | 2021-02-05 | 开利公司 | 膜吹扫*** |
CN110454907A (zh) * | 2019-09-12 | 2019-11-15 | 宁波奥克斯电气股份有限公司 | 一种空气净化控制方法、空气净化装置及空调器 |
CN111811065A (zh) * | 2020-06-30 | 2020-10-23 | 上海东健净化股份有限公司 | 一种用于洁净新风***的负压脱附型除湿去毒工艺 |
TR202014370A2 (tr) * | 2020-09-10 | 2020-12-21 | Mikropor Makina Sanayi Ve Ticaret A S | Azot gazi saflaştirmasi uygulamalarinda yüksek saflikta azot elde edi̇lmesi̇ni̇ sağlayan saflaştirici sonrasi azot kurutucu si̇stemi̇ |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
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US3981698A (en) * | 1973-08-15 | 1976-09-21 | Cjb Development Limited | Process for the removal of carbon dioxide from gases |
JPS5595079A (en) * | 1979-01-10 | 1980-07-18 | Hitachi Ltd | Method and device for previously treating air separator |
JPS5924654B2 (ja) * | 1979-12-03 | 1984-06-11 | 株式会社日立製作所 | 圧力差吸着ガス精製方法 |
JPS5799316A (en) * | 1980-12-08 | 1982-06-21 | Nippon Sanso Kk | Method for removing moisture and carbon dioxide contained in compressed raw air |
DD157157A1 (de) * | 1981-01-07 | 1982-10-20 | Uwe Harms | Verfahren zum reinigen und trennen von gasgemischen |
JPS594414A (ja) * | 1982-06-30 | 1984-01-11 | Nippon Sanso Kk | プレツシヤ−スイング法による気体精製法 |
DE3410815A1 (de) * | 1984-03-23 | 1985-10-03 | Linde Ag, 6200 Wiesbaden | Verfahren zur trocknung eines gasstromes |
US4711645A (en) * | 1986-02-10 | 1987-12-08 | Air Products And Chemicals, Inc. | Removal of water and carbon dioxide from atmospheric air |
DE3702190A1 (de) * | 1987-01-26 | 1988-08-04 | Linde Ag | Adsorptionsverfahren |
US4756723A (en) * | 1987-03-04 | 1988-07-12 | Air Products And Chemicals, Inc. | Preparation of high purity oxygen |
CA2037985A1 (en) * | 1990-03-23 | 1991-09-24 | Robert C. Gmelin | Economical air separator |
DE69124276T2 (de) * | 1990-03-29 | 1997-05-07 | Boc Group Inc | Verfahren zur Herstellung eines mit Sauerstoff angereicherten Produktstroms |
-
1990
- 1990-03-29 US US07/501,065 patent/US5156657A/en not_active Expired - Fee Related
-
1991
- 1991-03-12 EP EP91302082A patent/EP0449451A1/en not_active Ceased
- 1991-03-13 NO NO911003A patent/NO178365C/no unknown
- 1991-03-13 ZA ZA911857A patent/ZA911857B/xx unknown
- 1991-03-13 CA CA002038180A patent/CA2038180C/en not_active Expired - Fee Related
- 1991-03-13 NZ NZ237419A patent/NZ237419A/en unknown
- 1991-03-19 CN CN91101800A patent/CN1055677A/zh active Pending
- 1991-03-25 TR TR91/0301A patent/TR25629A/xx unknown
- 1991-03-27 AU AU73866/91A patent/AU626494B2/en not_active Ceased
- 1991-03-28 KR KR1019910004865A patent/KR930010762B1/ko not_active IP Right Cessation
- 1991-03-28 FI FI911552A patent/FI95662C/sv active
- 1991-03-28 IE IE104391A patent/IE911043A1/en unknown
- 1991-03-29 JP JP3142299A patent/JPH0568833A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
AU7386691A (en) | 1991-10-03 |
CN1055677A (zh) | 1991-10-30 |
NO178365C (no) | 1996-03-13 |
NZ237419A (en) | 1992-09-25 |
FI911552A0 (sv) | 1991-03-28 |
IE911043A1 (en) | 1991-10-09 |
CA2038180A1 (en) | 1991-09-30 |
US5156657A (en) | 1992-10-20 |
KR930010762B1 (ko) | 1993-11-10 |
JPH0568833A (ja) | 1993-03-23 |
NO178365B (no) | 1995-12-04 |
AU626494B2 (en) | 1992-07-30 |
FI95662C (sv) | 1996-03-11 |
CA2038180C (en) | 2001-11-27 |
FI911552A (sv) | 1991-09-30 |
EP0449451A1 (en) | 1991-10-02 |
NO911003D0 (no) | 1991-03-13 |
ZA911857B (en) | 1992-03-25 |
TR25629A (tr) | 1993-07-01 |
KR910016368A (ko) | 1991-11-05 |
NO911003L (no) | 1991-09-30 |
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