DE2258299A1 - Verfahren und vorrichtung zur fraktionierung eines gasgemisches durch adsorption - Google Patents
Verfahren und vorrichtung zur fraktionierung eines gasgemisches durch adsorptionInfo
- Publication number
- DE2258299A1 DE2258299A1 DE19722258299 DE2258299A DE2258299A1 DE 2258299 A1 DE2258299 A1 DE 2258299A1 DE 19722258299 DE19722258299 DE 19722258299 DE 2258299 A DE2258299 A DE 2258299A DE 2258299 A1 DE2258299 A1 DE 2258299A1
- Authority
- DE
- Germany
- Prior art keywords
- adsorption
- phase
- pressure
- zone
- auxiliary
- 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.)
- Pending
Links
- 238000001179 sorption measurement Methods 0.000 title claims description 152
- 239000000203 mixture Substances 0.000 title claims description 33
- 238000000034 method Methods 0.000 title claims description 24
- 238000005194 fractionation Methods 0.000 title claims description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 54
- 239000007789 gas Substances 0.000 claims description 51
- 238000003795 desorption Methods 0.000 claims description 29
- 229910052757 nitrogen Inorganic materials 0.000 claims description 27
- 239000003463 adsorbent Substances 0.000 claims description 21
- 239000000470 constituent Substances 0.000 claims description 16
- 238000010828 elution Methods 0.000 claims description 16
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 14
- 229910052760 oxygen Inorganic materials 0.000 claims description 13
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 12
- 239000001301 oxygen Substances 0.000 claims description 12
- 238000011084 recovery Methods 0.000 claims description 9
- 238000010521 absorption reaction Methods 0.000 claims description 8
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 7
- 239000001569 carbon dioxide Substances 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 229910001868 water Inorganic materials 0.000 claims description 7
- 238000000926 separation method Methods 0.000 claims description 4
- 239000004615 ingredient Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 235000004936 Bromus mango Nutrition 0.000 claims 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims 1
- 240000007228 Mangifera indica Species 0.000 claims 1
- 235000014826 Mangifera indica Nutrition 0.000 claims 1
- 235000009184 Spondias indica Nutrition 0.000 claims 1
- 230000036461 convulsion Effects 0.000 claims 1
- 239000003480 eluent Substances 0.000 claims 1
- 239000001257 hydrogen Substances 0.000 claims 1
- 229910052739 hydrogen Inorganic materials 0.000 claims 1
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- 239000000047 product Substances 0.000 description 8
- 239000001307 helium Substances 0.000 description 6
- 229910052734 helium Inorganic materials 0.000 description 6
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 6
- 238000004891 communication Methods 0.000 description 5
- 239000012530 fluid Substances 0.000 description 5
- 230000006870 function Effects 0.000 description 4
- 229910021536 Zeolite Inorganic materials 0.000 description 3
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000011010 flushing procedure Methods 0.000 description 3
- 239000010457 zeolite Substances 0.000 description 3
- 239000006227 byproduct Substances 0.000 description 2
- 238000010790 dilution Methods 0.000 description 2
- 239000012895 dilution Substances 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 2
- 229910052753 mercury Inorganic materials 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 206010000060 Abdominal distension Diseases 0.000 description 1
- 241000251730 Chondrichthyes Species 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 208000024330 bloating Diseases 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 239000002781 deodorant agent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000005338 heat storage Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002808 molecular sieve Substances 0.000 description 1
- 210000002445 nipple Anatomy 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 239000000080 wetting agent Substances 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
- B01D53/047—Pressure swing adsorption
- B01D53/0476—Vacuum pressure swing adsorption
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B21/00—Nitrogen; Compounds thereof
- C01B21/02—Preparation of nitrogen
-
- 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
- B01D2253/108—Zeolites
-
- 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
- B01D2256/10—Nitrogen
-
- 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
- B01D2257/00—Components to be removed
- B01D2257/10—Single element gases other than halogens
- B01D2257/104—Oxygen
-
- 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
- B01D2259/40043—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
- B01D2259/40058—Number of sequence steps, including sub-steps, per cycle
- B01D2259/4006—Less than four
-
- 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
- B01D2259/40062—Four
-
- 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
- B01D2259/401—Further details for adsorption processes and devices using a single bed
-
- 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
- B01D2259/40—Further details for adsorption processes and devices
- B01D2259/406—Further details for adsorption processes and devices using more than four beds
- B01D2259/4062—Further details for adsorption processes and devices using more than four beds using six beds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/65—Employing advanced heat integration, e.g. Pinch technology
- B01D2259/655—Employing advanced heat integration, e.g. Pinch technology using heat storage materials
-
- 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
- B01D53/26—Drying gases or vapours
- B01D53/261—Drying gases or vapours by adsorption
-
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/151—Reduction of greenhouse gas [GHG] emissions, e.g. CO2
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Separation Of Gases By Adsorption (AREA)
- Storage Of Fruits Or Vegetables (AREA)
- Gas Separation By Absorption (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7142793A FR2162732A5 (enExample) | 1971-11-30 | 1971-11-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2258299A1 true DE2258299A1 (de) | 1973-06-07 |
Family
ID=9086618
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19722258299 Pending DE2258299A1 (de) | 1971-11-30 | 1972-11-29 | Verfahren und vorrichtung zur fraktionierung eines gasgemisches durch adsorption |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3796022A (enExample) |
| JP (1) | JPS4863972A (enExample) |
| BE (1) | BE792039A (enExample) |
| CA (1) | CA974462A (enExample) |
| DE (1) | DE2258299A1 (enExample) |
| FR (1) | FR2162732A5 (enExample) |
| GB (1) | GB1421786A (enExample) |
| IT (1) | IT971121B (enExample) |
Families Citing this family (46)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2460513C3 (de) * | 1974-12-20 | 1979-01-25 | Linde Ag, 6200 Wiesbaden | Verfahren und Vorrichtung zur Zerlegung von Gasgemischen durch adiabatische Ad- und Desorption |
| US4013429A (en) * | 1975-06-04 | 1977-03-22 | Air Products And Chemicals, Inc. | Fractionation of air by adsorption |
| US4190424A (en) * | 1975-07-17 | 1980-02-26 | Boc Limited | Gas separation |
| DE2604305A1 (de) * | 1976-02-04 | 1977-08-11 | Linde Ag | Verfahren zum zerlegen von gasgemischen |
| US4077779A (en) * | 1976-10-15 | 1978-03-07 | Air Products And Chemicals, Inc. | Hydrogen purification by selective adsorption |
| US4194890A (en) * | 1976-11-26 | 1980-03-25 | Greene & Kellogg, Inc. | Pressure swing adsorption process and system for gas separation |
| DE2724763C2 (de) * | 1977-06-01 | 1984-02-16 | Linde Ag, 6200 Wiesbaden | Verfahren zum Reinigen und Zerlegen eines Gasgemisches |
| US4263018A (en) * | 1978-02-01 | 1981-04-21 | Greene & Kellogg | Pressure swing adsorption process and system for gas separation |
| US4171207A (en) * | 1978-08-21 | 1979-10-16 | Air Products And Chemicals, Inc. | Separation of multicomponent gas mixtures by pressure swing adsorption |
| US4171206A (en) * | 1978-08-21 | 1979-10-16 | Air Products And Chemicals, Inc. | Separation of multicomponent gas mixtures |
| US4197096A (en) * | 1978-08-22 | 1980-04-08 | Boc Limited | Fluid supply system including a pressure-swing adsorption plant |
| US4264340A (en) * | 1979-02-28 | 1981-04-28 | Air Products And Chemicals, Inc. | Vacuum swing adsorption for air fractionation |
| US4249915A (en) * | 1979-05-30 | 1981-02-10 | Air Products And Chemicals, Inc. | Removal of water and carbon dioxide from air |
| US4305734A (en) | 1979-09-19 | 1981-12-15 | Mcgill Incorporated | Recovery of hydrocarbon components from a hydrocarbon-carrier gas mixture |
| JPS5681119A (en) * | 1979-12-07 | 1981-07-02 | Toray Ind Inc | Separation of mixed gas |
| US4329158A (en) * | 1980-06-13 | 1982-05-11 | Air Products And Chemicals, Inc. | Air fractionation by pressure swing adsorption |
| US4431432A (en) * | 1980-12-26 | 1984-02-14 | Mitsubishi Jukogyo Kabushiki Kaisha | Process and apparatus for separating a mixed gas such as air |
| US4386945A (en) * | 1982-02-01 | 1983-06-07 | Litton Systems, Inc. | Process and compound bed means for evolving a first component enriched gas |
| US4452612A (en) * | 1982-09-22 | 1984-06-05 | Cubemco, Inc. | Separation and purification of gases and vapors by continuous pressure-swing adsorption |
| FR2535981A1 (fr) * | 1982-11-12 | 1984-05-18 | Air Liquide | Procede et installation de separation par adsorption d'un gaz composite |
| US4529416A (en) * | 1983-02-11 | 1985-07-16 | Air Products And Chemicals, Inc. | Gas separation kinetics in commercial pellets |
| US4477264A (en) * | 1983-03-30 | 1984-10-16 | Air Products And Chemicals, Inc. | Pressure swing adsorption process for a medical oxygen generator for home use |
| DE3483664D1 (de) * | 1983-06-20 | 1991-01-10 | Kawasaki Steel Co | Verfahren zur herstellung von hochreinem kohlenmonoxid. |
| US4539020A (en) * | 1983-07-10 | 1985-09-03 | Kawasaki Steel Corporation | Methods for obtaining high-purity carbon monoxide |
| US4561865A (en) * | 1983-11-01 | 1985-12-31 | Greene & Kellogg, Inc. | Single bed pressure swing adsorption gas separation system |
| US4726816A (en) * | 1983-11-08 | 1988-02-23 | Union Carbide Corporation | Reformer-pressure swing adsorption process for the production of carbon monoxide |
| US4512780A (en) * | 1983-11-08 | 1985-04-23 | Union Carbide Corporation | Pressure swing adsorption with intermediate product recovery |
| DE3433058A1 (de) * | 1984-09-08 | 1986-03-20 | Bergwerksverband Gmbh, 4300 Essen | Verfahren und vorrichtung zur erzeugung von stickstoff |
| US4681602A (en) * | 1984-12-24 | 1987-07-21 | The Boeing Company | Integrated system for generating inert gas and breathing gas on aircraft |
| US4685939A (en) * | 1985-03-19 | 1987-08-11 | Air Products And Chemicals, Inc. | Production of oxygen enriched air |
| US4711645A (en) * | 1986-02-10 | 1987-12-08 | Air Products And Chemicals, Inc. | Removal of water and carbon dioxide from atmospheric air |
| JPS63166702A (ja) * | 1986-12-26 | 1988-07-09 | Osaka Oxygen Ind Ltd | 酸素ガス濃縮法 |
| US4810265A (en) * | 1987-12-29 | 1989-03-07 | Union Carbide Corporation | Pressure swing adsorption process for gas separation |
| US4948391A (en) * | 1988-05-12 | 1990-08-14 | Vacuum Optics Corporation Of Japan | Pressure swing adsorption process for gas separation |
| FR2633847B1 (fr) * | 1988-07-08 | 1991-04-19 | Air Liquide | Procede de traitement d'un melange gazeux par adsorption |
| DE3829584A1 (de) * | 1988-09-01 | 1990-03-08 | Bayer Ag | Trennung von gasgemischen durch vakuum swing adsorption in einem zwei-adsorber-system |
| DE3842930A1 (de) * | 1988-12-21 | 1990-06-28 | Bayer Ag | Verfahren zur adsorptiven sauerstoffanreicherung von luft mit mischungen aus ca-zeolith a molekularsieben mittels vakuum-swing-adsorption |
| US5042994A (en) * | 1990-05-25 | 1991-08-27 | Union Carbide Industrial Gases Technology Corporation | Control of pressure swing adsorption operations |
| US5163978A (en) * | 1991-10-08 | 1992-11-17 | Praxair Technology, Inc. | Dual product pressure swing adsorption process and system |
| US5232473A (en) * | 1992-05-07 | 1993-08-03 | The Boc Group, Inc. | Pressure swing adsorption with countercurrent feed pressurization |
| US5620501A (en) * | 1995-08-15 | 1997-04-15 | The Boc Group, Inc. | Recovery of trace gases from gas streams |
| US5674311A (en) * | 1995-10-20 | 1997-10-07 | Praxair Technology, Inc. | Adsorption process and system using multilayer adsorbent beds |
| US5997611A (en) * | 1998-07-24 | 1999-12-07 | The Boc Group, Inc. | Single vessel gas adsorption system and process |
| US6162283A (en) * | 1999-02-01 | 2000-12-19 | Fantom Technologies Inc. | Method and apparatus for concentrating a gas using a single stage adsorption zone |
| US6156100A (en) * | 1999-02-01 | 2000-12-05 | Fantom Technologies, Inc. | Method and apparatus for concentrating a gas using a single stage adsorption zone |
| US6217635B1 (en) * | 1998-11-09 | 2001-04-17 | Fantom Technologies Inc. | Method and apparatus for concentrating a gas using a single stage adsorption chamber |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE625444A (enExample) * | 1961-12-14 | |||
| FR2070387A5 (enExample) * | 1969-12-03 | 1971-09-10 | Air Liquide | |
| FR2097633A5 (enExample) * | 1970-07-16 | 1972-03-03 | Air Liquide | |
| DE2055425B2 (de) * | 1970-11-11 | 1979-09-06 | Bayer Ag, 5090 Leverkusen | Adsorptionsverfahren zum Zerlegen von Gasgemischen |
-
0
- BE BE792039D patent/BE792039A/xx unknown
-
1971
- 1971-11-30 FR FR7142793A patent/FR2162732A5/fr not_active Expired
-
1972
- 1972-11-20 US US00307854A patent/US3796022A/en not_active Expired - Lifetime
- 1972-11-21 CA CA157,364A patent/CA974462A/en not_active Expired
- 1972-11-22 IT IT31978/72A patent/IT971121B/it active
- 1972-11-29 DE DE19722258299 patent/DE2258299A1/de active Pending
- 1972-11-30 JP JP11943972A patent/JPS4863972A/ja active Pending
- 1972-11-30 GB GB5545472A patent/GB1421786A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1421786A (en) | 1976-01-21 |
| BE792039A (fr) | 1973-05-29 |
| JPS4863972A (enExample) | 1973-09-05 |
| FR2162732A5 (enExample) | 1973-07-20 |
| CA974462A (en) | 1975-09-16 |
| IT971121B (it) | 1974-04-30 |
| US3796022A (en) | 1974-03-12 |
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