CA1248880A - Molecular sieve type gas separation systems - Google Patents
Molecular sieve type gas separation systemsInfo
- Publication number
- CA1248880A CA1248880A CA000450983A CA450983A CA1248880A CA 1248880 A CA1248880 A CA 1248880A CA 000450983 A CA000450983 A CA 000450983A CA 450983 A CA450983 A CA 450983A CA 1248880 A CA1248880 A CA 1248880A
- Authority
- CA
- Canada
- Prior art keywords
- bed
- oxygen
- pressure
- concentration
- molecular sieve
- 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
Links
- 239000002808 molecular sieve Substances 0.000 title claims abstract description 20
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 title claims abstract description 20
- 238000000926 separation method Methods 0.000 title claims abstract description 18
- 230000008929 regeneration Effects 0.000 claims abstract description 17
- 238000011069 regeneration method Methods 0.000 claims abstract description 17
- 238000001179 sorption measurement Methods 0.000 claims abstract description 16
- 238000010926 purge Methods 0.000 claims abstract description 15
- 239000000470 constituent Substances 0.000 claims abstract description 11
- 238000003795 desorption Methods 0.000 claims abstract description 11
- 239000007789 gas Substances 0.000 claims description 91
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 66
- 239000001301 oxygen Substances 0.000 claims description 66
- 229910052760 oxygen Inorganic materials 0.000 claims description 66
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 16
- 229910052757 nitrogen Inorganic materials 0.000 claims description 8
- 239000000203 mixture Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 230000029058 respiratory gaseous exchange Effects 0.000 description 4
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000000717 retained effect Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 239000012190 activator Substances 0.000 description 1
- 230000000274 adsorptive effect Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
- B01D53/0407—Constructional details of adsorbing systems
- B01D53/0423—Beds in columns
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D13/00—Arrangements or adaptations of air-treatment apparatus for aircraft crew or passengers, or freight space
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B13/00—Oxygen; Ozone; Oxides or hydroxides in general
- C01B13/02—Preparation of oxygen
- C01B13/0229—Purification or separation processes
- C01B13/0248—Physical processing only
- C01B13/0259—Physical processing only by adsorption on solids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2256/00—Main component in the product gas stream after treatment
- B01D2256/12—Oxygen
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/10—Single element gases other than halogens
- B01D2257/102—Nitrogen
-
- 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
- B01D2259/40007—Controlling pressure or temperature swing adsorption
- B01D2259/40009—Controlling pressure or temperature swing adsorption using sensors or gas analysers
-
- 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
- B01D2259/403—Further details for adsorption processes and devices using three beds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/45—Gas separation or purification devices adapted for specific applications
- B01D2259/4566—Gas separation or purification devices adapted for specific applications for use in transportation means
- B01D2259/4575—Gas separation or purification devices adapted for specific applications for use in transportation means in aeroplanes or space ships
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D13/00—Arrangements or adaptations of air-treatment apparatus for aircraft crew or passengers, or freight space
- B64D13/06—Arrangements or adaptations of air-treatment apparatus for aircraft crew or passengers, or freight space the air being conditioned
- B64D2013/0603—Environmental Control Systems
- B64D2013/0681—Environmental Control Systems with oxygen control
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2210/00—Purification or separation of specific gases
- C01B2210/0043—Impurity removed
- C01B2210/0046—Nitrogen
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Pulmonology (AREA)
- Aviation & Aerospace Engineering (AREA)
- Separation Of Gases By Adsorption (AREA)
- Oxygen, Ozone, And Oxides In General (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB8316294 | 1983-06-15 | ||
| GB8316294 | 1983-06-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1248880A true CA1248880A (en) | 1989-01-17 |
Family
ID=10544262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000450983A Expired CA1248880A (en) | 1983-06-15 | 1984-03-30 | Molecular sieve type gas separation systems |
Country Status (9)
| Country | Link |
|---|---|
| EP (1) | EP0129304B1 (OSRAM) |
| JP (1) | JPS607918A (OSRAM) |
| BR (1) | BR8401455A (OSRAM) |
| CA (1) | CA1248880A (OSRAM) |
| DE (1) | DE3472629D1 (OSRAM) |
| ES (1) | ES8506459A1 (OSRAM) |
| IL (1) | IL71280A (OSRAM) |
| IN (1) | IN160482B (OSRAM) |
| YU (1) | YU59684A (OSRAM) |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3672510D1 (de) * | 1985-02-22 | 1990-08-16 | Normalair Garrett Ltd | Pneumatischer partialdrucksensor. |
| EP0207686A1 (en) * | 1985-06-17 | 1987-01-07 | Negretti Aviation Limited | Improvements in and relating to pressure swing oxygen generation systems |
| EP0239713A1 (de) * | 1986-04-02 | 1987-10-07 | VOEST-ALPINE Aktiengesellschaft | Verfahren zum Reinigen von Gasen sowie Vorrichtung zur Durchführung dieses Verfahrens |
| EP0250235A1 (en) * | 1986-06-17 | 1987-12-23 | Negretti Aviation Limited | Improvements in and relating to pressure swing oxygen generating systems |
| GB8623605D0 (en) * | 1986-10-01 | 1986-11-05 | Normalair Garrett Ltd | Aircraft on-board gas generating apparatus |
| GB8624230D0 (en) * | 1986-10-09 | 1987-02-04 | Normalair Garrett Ltd | Aircrew breathing systems |
| US4927434A (en) * | 1988-12-16 | 1990-05-22 | Pall Corporation | Gas component extraction |
| JP2789638B2 (ja) * | 1989-01-31 | 1998-08-20 | 株式会社島津製作所 | 呼吸用気体供給システム |
| GB8907447D0 (en) * | 1989-04-03 | 1989-05-17 | Normalair Garrett Ltd | Molecular sieve-type gas separation systems |
| GB9412856D0 (en) | 1994-06-27 | 1994-08-17 | Normalair Garrett Ltd | Canister for inorganic sorbent particles |
| GB9524721D0 (en) * | 1995-12-02 | 1996-01-31 | Normalair Garrett Ltd | Molecular sieve type gas separation apparatus |
| GB9610889D0 (en) * | 1996-05-24 | 1996-07-31 | E E G Engineering Limited | Oxygen enrichment in aircraft cabin atmospheres |
| DE19645764C2 (de) * | 1996-11-06 | 1998-12-03 | Huf Hans Joachim Dr | System zur Luftversorgung von Druckkabinen bei Fluggeräten |
| FR2823180B1 (fr) | 2001-04-04 | 2003-07-25 | Air Liquide | Procede et installation de distribution d'air enrichi en oxygene aux occupants d'un aeronef |
| JP2003019415A (ja) * | 2001-07-06 | 2003-01-21 | Kuraray Chem Corp | 混合ガスの分離方法 |
| US6669758B1 (en) | 2002-06-27 | 2003-12-30 | Carleton Life Support Systems, Inc. | Variable inlet air restriction for composition control of product gas |
| US6712876B2 (en) * | 2002-08-27 | 2004-03-30 | Litton Systems, Inc. | Oxygen concentrator system with altitude compensation |
| US7036521B2 (en) | 2003-04-27 | 2006-05-02 | Carleton Life Support Systems, Inc. | Air conserving slide valve |
| JP2008222157A (ja) * | 2007-03-15 | 2008-09-25 | Honeywell Normalair-Garrett (Holdings) Ltd | 製品ガスと非製品ガスとを分離する装置を制御する方法 |
| BE1023373B1 (nl) * | 2015-06-12 | 2017-02-24 | Atlas Copco Airpower,Naamloze Vennootschap | Werkwijze voor het regelen van een adsorptiefase van een gasgenerator en een gasgenerator die een dergelijke werkwijze toepast. |
| EP3307418B1 (en) * | 2015-06-12 | 2019-11-13 | Atlas Copco Airpower | Method for controlling an adsorption phase of a gas generator and a gas generator applying such a method |
| DE102020210913A1 (de) * | 2020-08-28 | 2022-03-03 | Oskar Frech Gmbh + Co. Kg | Gießtechnisches Bauteil mit Korrosionsschutzschichtaufbau |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2837281A1 (de) * | 1978-08-25 | 1980-03-06 | Linde Ag | Verfahren zum bereitstellen von atemgas fuer luftfahrzeuge |
| DE2923325A1 (de) * | 1979-06-08 | 1980-12-11 | Linde Ag | Zyklisches adsorptionsverfahren zum zerlegen eines gasgemisches |
| EP0046369B2 (en) * | 1980-08-18 | 1990-02-28 | Normalair-Garrett (Holdings) Limited | Molecular sieve type gas separation systems |
-
1984
- 1984-03-16 EP EP84301830A patent/EP0129304B1/en not_active Expired
- 1984-03-16 DE DE8484301830T patent/DE3472629D1/de not_active Expired
- 1984-03-19 IL IL71280A patent/IL71280A/xx not_active IP Right Cessation
- 1984-03-29 BR BR8401455A patent/BR8401455A/pt unknown
- 1984-03-30 IN IN221/MAS/84A patent/IN160482B/en unknown
- 1984-03-30 CA CA000450983A patent/CA1248880A/en not_active Expired
- 1984-03-30 ES ES531181A patent/ES8506459A1/es not_active Expired
- 1984-03-30 JP JP59061302A patent/JPS607918A/ja active Granted
- 1984-04-02 YU YU00596/84A patent/YU59684A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| ES531181A0 (es) | 1985-08-01 |
| JPS607918A (ja) | 1985-01-16 |
| DE3472629D1 (en) | 1988-08-18 |
| BR8401455A (pt) | 1985-02-26 |
| IL71280A (en) | 1987-08-31 |
| JPH0536083B2 (OSRAM) | 1993-05-28 |
| IL71280A0 (en) | 1984-06-29 |
| EP0129304A2 (en) | 1984-12-27 |
| ES8506459A1 (es) | 1985-08-01 |
| IN160482B (OSRAM) | 1987-07-11 |
| EP0129304A3 (en) | 1986-02-12 |
| EP0129304B1 (en) | 1988-07-13 |
| YU59684A (en) | 1989-08-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |