DE69409737T3 - Druckwechseladsorptionsverfahren mit einzigem Bett - Google Patents
Druckwechseladsorptionsverfahren mit einzigem Bett Download PDFInfo
- Publication number
- DE69409737T3 DE69409737T3 DE69409737T DE69409737T DE69409737T3 DE 69409737 T3 DE69409737 T3 DE 69409737T3 DE 69409737 T DE69409737 T DE 69409737T DE 69409737 T DE69409737 T DE 69409737T DE 69409737 T3 DE69409737 T3 DE 69409737T3
- Authority
- DE
- Germany
- Prior art keywords
- bed
- product
- pressure
- tank
- gas
- 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 - Fee Related
Links
- 238000000034 method Methods 0.000 title claims description 75
- 230000008569 process Effects 0.000 title claims description 57
- 238000001179 sorption measurement Methods 0.000 title claims description 57
- 239000000047 product Substances 0.000 claims description 111
- 239000007789 gas Substances 0.000 claims description 97
- 239000003463 adsorbent Substances 0.000 claims description 87
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 57
- 239000001301 oxygen Substances 0.000 claims description 57
- 229910052760 oxygen Inorganic materials 0.000 claims description 57
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 53
- 229910052757 nitrogen Inorganic materials 0.000 claims description 23
- 239000000463 material Substances 0.000 claims description 21
- 238000003795 desorption Methods 0.000 claims description 16
- 239000013067 intermediate product Substances 0.000 claims description 13
- 238000010926 purge Methods 0.000 claims description 13
- 239000002808 molecular sieve Substances 0.000 claims description 8
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims description 8
- 239000011800 void material Substances 0.000 claims description 8
- 229910052744 lithium Inorganic materials 0.000 claims description 7
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 claims 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 27
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 15
- 229910021536 Zeolite Inorganic materials 0.000 description 14
- 239000010457 zeolite Substances 0.000 description 14
- KWGKDLIKAYFUFQ-UHFFFAOYSA-M lithium chloride Chemical compound [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 229910001868 water Inorganic materials 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 9
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 8
- 229910001873 dinitrogen Inorganic materials 0.000 description 7
- 238000000926 separation method Methods 0.000 description 7
- -1 lithium cations Chemical class 0.000 description 6
- 150000001768 cations Chemical group 0.000 description 5
- 239000004927 clay Substances 0.000 description 5
- 239000013078 crystal Substances 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 238000013459 approach Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- 238000005342 ion exchange Methods 0.000 description 4
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 239000011734 sodium Substances 0.000 description 4
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical group [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 3
- 229910004298 SiO 2 Inorganic materials 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 239000003518 caustics Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 229910001416 lithium ion Inorganic materials 0.000 description 3
- 239000008188 pellet Substances 0.000 description 3
- 230000000754 repressing effect Effects 0.000 description 3
- 230000003584 silencer Effects 0.000 description 3
- 229910052708 sodium Inorganic materials 0.000 description 3
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 2
- 229910017090 AlO 2 Inorganic materials 0.000 description 2
- 239000005995 Aluminium silicate Substances 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000004115 Sodium Silicate Substances 0.000 description 2
- 235000012211 aluminium silicate Nutrition 0.000 description 2
- 238000001311 chemical methods and process Methods 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 229910001882 dioxygen Inorganic materials 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000011112 process operation Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 2
- 229910052911 sodium silicate Inorganic materials 0.000 description 2
- 238000002336 sorption--desorption measurement Methods 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical group [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- ANBBXQWFNXMHLD-UHFFFAOYSA-N aluminum;sodium;oxygen(2-) Chemical compound [O-2].[O-2].[Na+].[Al+3] ANBBXQWFNXMHLD-UHFFFAOYSA-N 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 229910001423 beryllium ion Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- IRGYNZPMSCRQNC-UHFFFAOYSA-L dilithium hydrogen carbonate chloride Chemical compound C([O-])(O)=O.[Li+].[Cl-].[Li+] IRGYNZPMSCRQNC-UHFFFAOYSA-L 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012065 filter cake Substances 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 150000002500 ions Chemical group 0.000 description 1
- 229910003002 lithium salt Inorganic materials 0.000 description 1
- 159000000002 lithium salts Chemical class 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012452 mother liquor Substances 0.000 description 1
- BITYAPCSNKJESK-UHFFFAOYSA-N potassiosodium Chemical compound [Na].[K] BITYAPCSNKJESK-UHFFFAOYSA-N 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000000135 prohibitive effect Effects 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 229910001388 sodium aluminate Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000005406 washing 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
-
- 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
- B01D53/053—Pressure swing adsorption with storage or buffer vessel
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B15/00—Peroxides; Peroxyhydrates; Peroxyacids or salts thereof; Superoxides; Ozonides
- C01B15/01—Hydrogen peroxide
- C01B15/013—Separation; Purification; Concentration
-
- 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
- B01D2253/1085—Zeolites characterized by a silicon-aluminium ratio
-
- 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
- B01D2259/40011—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
- B01D2259/40043—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
- B01D2259/40077—Direction of flow
- B01D2259/40081—Counter-current
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Separation Of Gases By Adsorption (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
- Oxygen, Ozone, And Oxides In General (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/117,455 US5370728A (en) | 1993-09-07 | 1993-09-07 | Single bed pressure swing adsorption system and process |
| US117455 | 1993-09-07 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE69409737D1 DE69409737D1 (de) | 1998-05-28 |
| DE69409737T2 DE69409737T2 (de) | 1998-11-12 |
| DE69409737T3 true DE69409737T3 (de) | 2004-09-23 |
Family
ID=22373040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE69409737T Expired - Fee Related DE69409737T3 (de) | 1993-09-07 | 1994-09-06 | Druckwechseladsorptionsverfahren mit einzigem Bett |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US5370728A (https=) |
| EP (1) | EP0641591B2 (https=) |
| JP (1) | JP3197436B2 (https=) |
| KR (1) | KR100196626B1 (https=) |
| CN (1) | CN1050525C (https=) |
| BR (1) | BR9403449A (https=) |
| CA (1) | CA2131520C (https=) |
| DE (1) | DE69409737T3 (https=) |
| ES (1) | ES2115123T5 (https=) |
| TW (1) | TW256782B (https=) |
Families Citing this family (107)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5429664A (en) * | 1993-02-22 | 1995-07-04 | Air Products And Chemicals, Inc. | Pressure swing absorption with recycle of void space gas |
| US5518526A (en) * | 1994-10-07 | 1996-05-21 | Praxair Technology, Inc. | Pressure swing adsorption process |
| FR2734172B1 (fr) * | 1995-05-19 | 1997-06-20 | Air Liquide | Dispositif et procede de separation de gaz par adsorption |
| US5785740A (en) * | 1995-05-19 | 1998-07-28 | L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Device and process for the separation of gas by adsorption |
| US5565018A (en) * | 1995-07-12 | 1996-10-15 | Praxair Technology, Inc. | Optimal pressure swing adsorption refluxing |
| US5620501A (en) * | 1995-08-15 | 1997-04-15 | The Boc Group, Inc. | Recovery of trace gases from gas streams |
| US5658371A (en) * | 1995-11-06 | 1997-08-19 | Praxair Technology, Inc. | Single bed pressure swing adsorption process for recovery of oxygen from air |
| US5702504A (en) * | 1996-03-07 | 1997-12-30 | Praxair Technology, Inc. | Vacuum pressure swing adsorption process |
| FR2746668B1 (fr) * | 1996-03-27 | 1998-04-30 | Air Liquide | Procede de traitement d'un melange de gaz par adsorption a variation de pression |
| FR2751892B1 (fr) * | 1996-07-30 | 1998-09-11 | Air Liquide | Procede et appareil de traitement d'un gaz par adsorption avec un debit variable de production |
| FR2755875B1 (fr) * | 1996-11-15 | 1999-01-29 | Air Liquide | Procede et installation de separation de melanges gazeux par adsorption a variation de pression |
| US5871565A (en) * | 1997-01-15 | 1999-02-16 | Praxair Technology, Inc. | Vacuum/pressure swing adsorption (VPSA) for production of an oxygen enriched gas |
| US5846294A (en) * | 1997-04-23 | 1998-12-08 | The Boc Group, Inc. | Pressure swing adsorption process and apparatus |
| US5882380A (en) * | 1997-05-14 | 1999-03-16 | Air Products And Chemicals, Inc. | Pressure swing adsorption process with a single adsorbent bed |
| US5906673A (en) * | 1997-05-15 | 1999-05-25 | Nitrotec Corporation | Pressure swing system with auxiliary adsorbent bed |
| FR2764205B1 (fr) * | 1997-06-09 | 1999-07-16 | Air Liquide | Dispositif et procede psa de separation d'un melange gazeux |
| US5961694A (en) * | 1997-06-09 | 1999-10-05 | L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Apparatus and process for the separation of gas mixtures by pressure swing adsorption |
| FR2765810B1 (fr) * | 1997-07-09 | 1999-08-13 | Air Liquide | Procede de separation d'un melange gazeux par adsorption a variation de pression |
| US6183537B1 (en) * | 1997-11-04 | 2001-02-06 | Praxair Technology, Inc. | Rotary blowers for pressure swing adsorption process and system |
| US6048384A (en) * | 1997-12-09 | 2000-04-11 | Smolarek; James | PSA process and system using simultaneous top and bottom evacuation of absorbent bed |
| US6007606A (en) * | 1997-12-09 | 1999-12-28 | Praxair Technology, Inc. | PSA process and system |
| US5968236A (en) * | 1998-02-20 | 1999-10-19 | Bassine; Stuart | Valve free oxygen concentrator |
| FR2776941B1 (fr) * | 1998-04-07 | 2000-05-05 | Air Liquide | Procede et unite de production d'oxygene par adsorption avec cycle court |
| US5997611A (en) * | 1998-07-24 | 1999-12-07 | The Boc Group, Inc. | Single vessel gas adsorption system and process |
| US6045603A (en) * | 1998-08-21 | 2000-04-04 | The Boc Group, Inc. | Two phase pressure swing adsorption process |
| US6102985A (en) * | 1998-11-25 | 2000-08-15 | Air Products And Chemicals, Inc. | Pressure swing adsorption process and system with dual product storage tanks |
| EP1018359A3 (en) * | 1998-11-25 | 2002-09-04 | Air Products And Chemicals, Inc. | Pressure swing adsorption process and system with product storage tank(s) |
| US6096115A (en) * | 1998-11-25 | 2000-08-01 | Air Products And Chemicals, Inc. | Pressure swing adsorption process and system utilizing two product storage tanks |
| US6146447A (en) * | 1998-11-25 | 2000-11-14 | Air Products And Chemicals, Inc. | Oxygen generation process and system using single adsorber and single blower |
| US6156101A (en) * | 1999-02-09 | 2000-12-05 | Air Products And Chemicals, Inc. | Single bed pressure swing adsorption process and system |
| US6183538B1 (en) | 1999-02-09 | 2001-02-06 | Air Products And Chemicals, Inc. | Pressure swing adsorption gas flow control method and system |
| US6245127B1 (en) | 1999-05-27 | 2001-06-12 | Praxair Technology, Inc. | Pressure swing adsorption process and apparatus |
| DE19941057C1 (de) * | 1999-08-28 | 2001-01-11 | Mahler Ags Gmbh | Ein-Bett-Druckwechseladsorptionsverfahren sowie -system |
| US6503299B2 (en) * | 1999-11-03 | 2003-01-07 | Praxair Technology, Inc. | Pressure swing adsorption process for the production of hydrogen |
| FR2800860B1 (fr) | 1999-11-10 | 2001-12-28 | Air Liquide | Procede de refroidissement ou de chauffage d'un courant intermittent de fluide |
| US6428607B1 (en) * | 2000-06-26 | 2002-08-06 | Air Products And Chemicals, Inc. | Pressure swing adsorption process which provides product gas at decreasing bed pressure |
| US6425938B1 (en) * | 2000-11-01 | 2002-07-30 | Air Products And Chemicals, Inc. | Single bed pressure swing adsorption process |
| ES2287073T3 (es) * | 2000-12-19 | 2007-12-16 | Sumitomo Seika Chemicals Co., Ltd. | Procedimiento para la recuperacion de oxigeno gaseoso enriquecido. |
| US6585804B2 (en) * | 2001-11-09 | 2003-07-01 | Air Products And Chemicals, Inc. | Pressure swing adsorption process operation at turndown conditions |
| KR100495974B1 (ko) * | 2002-01-16 | 2005-06-17 | 디지털오토모빌(주) | 산소공급기능을 갖는 자동차용 공기정화장치 |
| KR20030068636A (ko) * | 2002-02-15 | 2003-08-25 | 에이엔비 주식회사 | 산소 발생기 |
| US6770120B2 (en) | 2002-05-01 | 2004-08-03 | Praxair Technology, Inc. | Radial adsorption gas separation apparatus and method of use |
| CN100506586C (zh) * | 2003-04-25 | 2009-07-01 | 数字汽车株式会社 | 具有供氧功能的汽车空车净化装置 |
| ATE327115T1 (de) | 2003-06-02 | 2006-06-15 | Digital Automobile Co Ltd | Luftreinigungssystem für fahrzeuge mit einer sauerstoff liefernden funktion |
| US6878186B2 (en) * | 2003-09-09 | 2005-04-12 | David Lloyd Neary | Pure vacuum swing adsorption system and apparatus |
| CA2540240A1 (en) * | 2003-09-29 | 2005-04-14 | Questair Technologies Inc. | High density adsorbent structures |
| US6949132B2 (en) | 2003-11-05 | 2005-09-27 | Systel, Llc | Axial degassing transfer lines |
| US7713331B2 (en) | 2003-11-05 | 2010-05-11 | Rheodyne, Llc | Axial transfer line degassing |
| US7368005B2 (en) * | 2005-04-05 | 2008-05-06 | Respironics Oxytec, Inc. | Portable oxygen concentrator |
| US7329304B2 (en) * | 2005-04-05 | 2008-02-12 | Respironics Oxytec, Inc. | Portable oxygen concentrator |
| US7402193B2 (en) * | 2005-04-05 | 2008-07-22 | Respironics Oxytec, Inc. | Portable oxygen concentrator |
| US8210205B2 (en) | 2006-03-09 | 2012-07-03 | Michaels Gregory A | Rotary valve assembly |
| AU2008321326B2 (en) | 2007-11-12 | 2013-04-18 | Exxonmobil Upstream Research Company | Methods of generating and utilizing utility gas |
| CN101239696B (zh) * | 2007-11-21 | 2013-03-27 | 江苏惠利特环保科技有限公司 | 加油站用油气排放处理装置及其吸附方法 |
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- 1994-09-06 CN CN94115637A patent/CN1050525C/zh not_active Expired - Lifetime
- 1994-09-06 DE DE69409737T patent/DE69409737T3/de not_active Expired - Fee Related
- 1994-09-06 CA CA002131520A patent/CA2131520C/en not_active Expired - Lifetime
- 1994-09-06 ES ES94113969T patent/ES2115123T5/es not_active Expired - Lifetime
- 1994-09-06 EP EP94113969A patent/EP0641591B2/en not_active Expired - Lifetime
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- 1994-09-06 KR KR1019940022829A patent/KR100196626B1/ko not_active Expired - Fee Related
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|---|---|
| BR9403449A (pt) | 1995-05-16 |
| EP0641591A1 (en) | 1995-03-08 |
| EP0641591B2 (en) | 2004-03-03 |
| ES2115123T3 (es) | 1998-06-16 |
| ES2115123T5 (es) | 2004-08-16 |
| TW256782B (https=) | 1995-09-11 |
| DE69409737D1 (de) | 1998-05-28 |
| KR950008351A (ko) | 1995-04-17 |
| US5370728A (en) | 1994-12-06 |
| CA2131520A1 (en) | 1995-03-08 |
| JP3197436B2 (ja) | 2001-08-13 |
| JPH0796128A (ja) | 1995-04-11 |
| EP0641591B1 (en) | 1998-04-22 |
| CN1050525C (zh) | 2000-03-22 |
| DE69409737T2 (de) | 1998-11-12 |
| CN1101589A (zh) | 1995-04-19 |
| CA2131520C (en) | 1999-08-24 |
| KR100196626B1 (ko) | 1999-06-15 |
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