CA2111554A1 - Multistage membrane control system and process - Google Patents
Multistage membrane control system and processInfo
- Publication number
- CA2111554A1 CA2111554A1 CA002111554A CA2111554A CA2111554A1 CA 2111554 A1 CA2111554 A1 CA 2111554A1 CA 002111554 A CA002111554 A CA 002111554A CA 2111554 A CA2111554 A CA 2111554A CA 2111554 A1 CA2111554 A1 CA 2111554A1
- Authority
- CA
- Canada
- Prior art keywords
- permeate
- membrane
- fluid
- stream
- pressure
- 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.)
- Abandoned
Links
- 239000012528 membrane Substances 0.000 title claims abstract description 189
- 238000000034 method Methods 0.000 title claims abstract description 37
- 230000008569 process Effects 0.000 title claims abstract description 28
- 239000012466 permeate Substances 0.000 claims abstract description 136
- 239000012530 fluid Substances 0.000 claims abstract description 113
- 239000000203 mixture Substances 0.000 claims abstract description 26
- 238000000926 separation method Methods 0.000 claims abstract description 25
- 239000000047 product Substances 0.000 claims description 71
- 238000005086 pumping Methods 0.000 claims description 40
- 238000012544 monitoring process Methods 0.000 claims description 19
- 238000004886 process control Methods 0.000 claims description 15
- 239000007789 gas Substances 0.000 claims description 12
- 238000004064 recycling Methods 0.000 claims description 12
- 238000001816 cooling Methods 0.000 claims description 4
- 239000001257 hydrogen Substances 0.000 claims description 4
- 229910052739 hydrogen Inorganic materials 0.000 claims description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 2
- 239000012264 purified product Substances 0.000 claims 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 23
- 238000013461 design Methods 0.000 description 11
- 229910052757 nitrogen Inorganic materials 0.000 description 11
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 239000012510 hollow fiber Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000035699 permeability Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 2
- 239000004642 Polyimide Substances 0.000 description 2
- 125000003118 aryl group Chemical group 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 229920002647 polyamide Polymers 0.000 description 2
- 229920001721 polyimide Polymers 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002301 cellulose acetate Polymers 0.000 description 1
- 229920006217 cellulose acetate butyrate Polymers 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 229920002492 poly(sulfone) Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 238000011027 product recovery Methods 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 238000011084 recovery 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
- B01D53/22—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 diffusion
- B01D53/225—Multiple stage diffusion
- B01D53/226—Multiple stage diffusion in serial connexion
 
- 
        - B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
- B01D61/10—Accessories; Auxiliary operations
 
- 
        - B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
- B01D61/12—Controlling or regulating
 
- 
        - B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/58—Multistep processes
 
- 
        - B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/12—Composite membranes; Ultra-thin membranes
- B01D69/1213—Laminated layers
 
- 
        - B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/12—Composite membranes; Ultra-thin membranes
- B01D69/1216—Three or more layers
 
- 
        - B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2311/00—Details relating to membrane separation process operations and control
- B01D2311/10—Temperature control
 
- 
        - B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2311/00—Details relating to membrane separation process operations and control
- B01D2311/25—Recirculation, recycling or bypass, e.g. recirculation of concentrate into the feed
 
- 
        - B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2313/00—Details relating to membrane modules or apparatus
- B01D2313/24—Specific pressurizing or depressurizing means
 
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Water Supply & Treatment (AREA)
- Nanotechnology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title | 
|---|---|---|---|
| US08/001,131 | 1993-01-06 | ||
| US08/001,131 US5281253A (en) | 1993-01-06 | 1993-01-06 | Multistage membrane control system and process | 
Publications (1)
| Publication Number | Publication Date | 
|---|---|
| CA2111554A1 true CA2111554A1 (en) | 1994-07-07 | 
Family
ID=21694531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date | 
|---|---|---|---|
| CA002111554A Abandoned CA2111554A1 (en) | 1993-01-06 | 1993-12-15 | Multistage membrane control system and process | 
Country Status (9)
| Country | Link | 
|---|---|
| US (1) | US5281253A (en:Method) | 
| EP (1) | EP0605819A3 (en:Method) | 
| JP (1) | JP2789548B2 (en:Method) | 
| KR (1) | KR940018129A (en:Method) | 
| CN (1) | CN1034989C (en:Method) | 
| BR (1) | BR9305060A (en:Method) | 
| CA (1) | CA2111554A1 (en:Method) | 
| MX (1) | MX9308030A (en:Method) | 
| TW (1) | TW237393B (en:Method) | 
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title | 
|---|---|---|---|---|
| CN112969521A (zh) * | 2018-11-22 | 2021-06-15 | 林德有限责任公司 | 切换电解装置的运行方式的方法以及电解装置 | 
Families Citing this family (77)
| Publication number | Priority date | Publication date | Assignee | Title | 
|---|---|---|---|---|
| DE4214551C2 (de) * | 1992-04-27 | 1996-06-20 | Geesthacht Gkss Forschung | Verfahren und Vorrichtung zur Trennung von über Flüsssigkeiten entstehenden Gasgemischen | 
| US5762690A (en) * | 1992-11-25 | 1998-06-09 | Andrew Corporation | Dehumidifier for supplying air using variable flow rate and variable pressure in a membrane dryer | 
| US5378263A (en) * | 1992-12-21 | 1995-01-03 | Praxair Technology, Inc. | High purity membrane nitrogen | 
| US5383956A (en) * | 1993-10-12 | 1995-01-24 | Praxair Technology, Inc. | Start-up and shut down processes for membrane systems and membrane systems useful for the same | 
| US5407466A (en) * | 1993-10-25 | 1995-04-18 | Membrane Technology And Research, Inc. | Sour gas treatment process including membrane and non-membrane treatment steps | 
| FR2712821B1 (fr) * | 1993-11-26 | 1995-12-22 | Air Liquide | Procédé et installation de fourniture d'azote au moyen de membranes semi-perméables utilisant une géométrie membranaire variable. | 
| US5425801A (en) * | 1993-12-21 | 1995-06-20 | Praxair Technology, Inc. | Membrane nitrogen with temperature tracking | 
| US5447555A (en) * | 1994-01-12 | 1995-09-05 | Air Products And Chemicals, Inc. | Oxygen production by staged mixed conductor membranes | 
| US5496388A (en) * | 1994-07-01 | 1996-03-05 | Air Liquide America Corporation | System for compressing air and extracting nitrogen from compressed air | 
| FR2724327B1 (fr) * | 1994-09-12 | 1996-10-25 | Air Liquide | Procede de separation membranaire par cascade de membranes de selectivites differentes | 
| US5649995A (en) * | 1995-03-09 | 1997-07-22 | Nitec, Inc. | Nitrogen generation control systems and methods for controlling oxygen content in containers for perishable goods | 
| TW317588B (en:Method) * | 1995-06-14 | 1997-10-11 | Praxair Technology Inc | |
| US5681368A (en) * | 1995-07-05 | 1997-10-28 | Andrew Corporation | Dehumidifier system using membrane cartridge | 
| US5858065A (en) * | 1995-07-17 | 1999-01-12 | American Air Liquide | Process and system for separation and recovery of perfluorocompound gases | 
| US5785741A (en) | 1995-07-17 | 1998-07-28 | L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges, Claude | Process and system for separation and recovery of perfluorocompound gases | 
| US5855646A (en) * | 1995-07-18 | 1999-01-05 | Verini; Nicholas A. | Method and device to monitor nitrogen gas purity during the manufacture and dispensing of nitrogen gas | 
| US5709732A (en) * | 1996-04-02 | 1998-01-20 | Praxair Technology, Inc. | Advanced membrane system for separating gaseous mixtures | 
| IE80909B1 (en) * | 1996-06-14 | 1999-06-16 | Air Liquide | An improved process and system for separation and recovery of perfluorocompound gases | 
| 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 | 
| US5746806A (en) * | 1996-08-15 | 1998-05-05 | Nellcor Puritan Bennett Incorporated | Apparatus and method for controlling output of an oxygen concentrator | 
| EP0841650B1 (en) | 1996-11-06 | 2002-03-06 | Bridgestone Corporation | Display label and method for forming display label | 
| FR2757081B1 (fr) * | 1996-12-13 | 1999-05-21 | Comex Compagnie Maritime D Exp | Procede et dispositif d'epuration et d'enrichissement d'un melange gazeux | 
| US5814127A (en) * | 1996-12-23 | 1998-09-29 | American Air Liquide Inc. | Process for recovering CF4 and C2 F6 from a gas | 
| US5989312A (en) * | 1996-12-31 | 1999-11-23 | Praxair Technology, Inc. | Membrane control system and process | 
| US5779763A (en) * | 1997-03-07 | 1998-07-14 | Membrane Technology And Research, Inc. | Process for recovering semiconductor industry cleaning compounds | 
| US5911219A (en) * | 1997-04-18 | 1999-06-15 | Aylsworth; Alonzo C. | Therapeutic gas flow meter and monitor | 
| US5855647A (en) * | 1997-05-15 | 1999-01-05 | American Air Liquide, Inc. | Process for recovering SF6 from a gas | 
| US5851266A (en) * | 1997-06-23 | 1998-12-22 | Praxair Technology,Inc. | Hybrid solid electrolyte ionic conductor systems for purifying inert gases | 
| EP0908219B1 (en) * | 1997-10-09 | 1999-12-08 | Gkss-Forschungszentrum Geesthacht Gmbh | Multi-stage process for the separation/recovery of gases | 
| JP2966836B1 (ja) * | 1998-07-22 | 1999-10-25 | 日本エア・リキード株式会社 | ガス精製方法及びガス精製装置 | 
| FR2784308B1 (fr) * | 1998-10-09 | 2001-11-09 | Air Liquide | Procede et installation de separation de gaz avec production d'un debit gazeux variable | 
| US6168649B1 (en) * | 1998-12-09 | 2001-01-02 | Mg Generon, Inc. | Membrane for separation of xenon from oxygen and nitrogen and method of using same | 
| US6491739B1 (en) * | 1999-11-09 | 2002-12-10 | Litton Systems, Inc. | Air separation module using a fast start valve for fast warm up of a permeable membrane air separation module | 
| FR2802114B1 (fr) * | 1999-12-09 | 2002-06-28 | Air Liquide | Installation et procede de separation de gaz par permeation selective | 
| JP4018858B2 (ja) * | 1999-12-20 | 2007-12-05 | 大同エアプロダクツ・エレクトロニクス株式会社 | パーフルオロ化合物分離回収方法およびそれに用いるパーフルオロ化合物分離回収装置 | 
| JP4769350B2 (ja) * | 2000-09-22 | 2011-09-07 | 大陽日酸株式会社 | 希ガスの回収方法及び装置 | 
| US6921428B2 (en) * | 2001-01-25 | 2005-07-26 | Ube Industries, Ltd. | Device and method for separating and collecting halide gas | 
| FR2829403B1 (fr) * | 2001-09-11 | 2003-12-12 | Air Liquide | Procede de production par permeation, a partir d'un melange gazeux, d'au moins deux flux gazeux et installation de mise en oeuvre d'un tel procede | 
| US6648944B1 (en) * | 2003-01-28 | 2003-11-18 | Membrane Technology And Research, Inc. | Carbon dioxide removal process | 
| US20100187178A1 (en) * | 2003-01-29 | 2010-07-29 | Molycorp Minerals, Llc | Process for removing and sequestering contaminants from aqueous streams | 
| US6863825B2 (en) * | 2003-01-29 | 2005-03-08 | Union Oil Company Of California | Process for removing arsenic from aqueous streams | 
| US7387659B2 (en) * | 2005-02-01 | 2008-06-17 | Parker Hannifin Corporation | Pneumatically operated automatic shutoff circuit for controlling the generation of gas | 
| US20080078389A1 (en) * | 2006-09-29 | 2008-04-03 | Yang Xiao | Heliox delivery system and method with positive pressure support | 
| US20080078385A1 (en) * | 2006-09-29 | 2008-04-03 | Yang Xiao | System and method for delivery of medication via inhalation | 
| JP5013855B2 (ja) * | 2006-12-27 | 2012-08-29 | 日本エア・リキード株式会社 | ガス分離膜を用いたガス製造方法およびガス製造装置 | 
| US8066874B2 (en) * | 2006-12-28 | 2011-11-29 | Molycorp Minerals, Llc | Apparatus for treating a flow of an aqueous solution containing arsenic | 
| JP5204757B2 (ja) * | 2007-03-01 | 2013-06-05 | パナソニック株式会社 | 水素生成装置およびその運転方法、並びに燃料電池システム、 | 
| KR20100075839A (ko) * | 2007-10-29 | 2010-07-05 | 가부시키가이샤 신꼬오 간쿄우 솔루션 | 수처리 방법, 수처리 장치, 정화수의 회수 방법 및 정화수 회수 장치 | 
| US20090107925A1 (en) * | 2007-10-31 | 2009-04-30 | Chevron U.S.A. Inc. | Apparatus and process for treating an aqueous solution containing biological contaminants | 
| US20090107919A1 (en) * | 2007-10-31 | 2009-04-30 | Chevron U.S.A. Inc. | Apparatus and process for treating an aqueous solution containing chemical contaminants | 
| US8252087B2 (en) * | 2007-10-31 | 2012-08-28 | Molycorp Minerals, Llc | Process and apparatus for treating a gas containing a contaminant | 
| US8349764B2 (en) | 2007-10-31 | 2013-01-08 | Molycorp Minerals, Llc | Composition for treating a fluid | 
| US20100155330A1 (en) * | 2008-11-11 | 2010-06-24 | Molycorp Minerals, Llc | Target material removal using rare earth metals | 
| TW201038510A (en) * | 2009-03-16 | 2010-11-01 | Molycorp Minerals Llc | Porous and durable ceramic filter monolith coated with a rare earth for removing contaminates from water | 
| MX2011010666A (es) * | 2009-04-09 | 2012-01-27 | Molycorp Minerals Llc | Uso de una tierra rara para la remocion de antimonio y bismuto. | 
| US8444749B2 (en) * | 2009-06-10 | 2013-05-21 | L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Method and system for membrane-based gas recovery | 
| AT507891B1 (de) * | 2009-06-10 | 2010-09-15 | Axiom Angewandte Prozesstechni | Vorrichtung und verfahren zur auftrennung eines gasgemisches | 
| EP2499679A4 (en) * | 2009-11-09 | 2014-01-01 | Molycorp Minerals Llc | REMOVAL OF STAINING FROM RARE EARTH | 
| JP5597122B2 (ja) * | 2010-12-20 | 2014-10-01 | 株式会社日立製作所 | 逆浸透処理装置 | 
| US9233863B2 (en) | 2011-04-13 | 2016-01-12 | Molycorp Minerals, Llc | Rare earth removal of hydrated and hydroxyl species | 
| GB2499577A (en) * | 2011-11-29 | 2013-08-28 | Eaton Aerospace Ltd | Aircraft on board inert gas generation system | 
| US20150174524A1 (en) * | 2012-03-16 | 2015-06-25 | Membrane Technology And Research, Inc. | Membrane-Based Gas Separation Process Using Ejector-Driven Gas Recycle | 
| US9017451B2 (en) * | 2012-03-16 | 2015-04-28 | Membrane Technology And Research, Inc. | Membrane-based gas separation process using ejector-driven gas recycle | 
| BE1020553A3 (nl) * | 2012-03-19 | 2013-12-03 | Atlas Copco Airpower Nv | Inrichting en werkwijze voor het scheiden van gassen. | 
| CN103623704B (zh) * | 2012-08-24 | 2016-05-25 | 岳勇斌 | 小型反渗透系统原水感应控制方法 | 
| ES2746099T3 (es) * | 2012-11-14 | 2020-03-04 | Evonik Fibres Gmbh | Control de la composición de gas de una instalación de separación de gas con membranas | 
| DE102013004079A1 (de) * | 2013-03-11 | 2014-09-11 | Eisenmann Ag | Verfahren zur Gewinnung von hochreinem Methan aus Biogas sowie Anlage zur Durchführung dieses Verfahrens | 
| WO2014183977A1 (de) | 2013-05-15 | 2014-11-20 | Evonik Industries Ag | Steuerung der gaszusammensetzung einer gasseparationsanlage mit membranen | 
| KR20160132076A (ko) | 2014-03-07 | 2016-11-16 | 몰리코프 미네랄스, 엘엘씨 | 비소 제거 특성이 뛰어난 세륨(iv) 산화물 | 
| US10239015B2 (en) * | 2016-11-22 | 2019-03-26 | Korea Institute Of Energy Research | Apparatus and method for separating carbon dioxide with self recycle loop | 
| CN110267723A (zh) * | 2016-12-12 | 2019-09-20 | A.O.史密斯公司 | 通过再循环减少总溶解固体蠕变效应的水过滤系统 | 
| KR101919302B1 (ko) * | 2017-07-28 | 2018-11-19 | 한국전력공사 | 이산화탄소 분리막 플랜트 이상 감지 시스템 | 
| IT201800006416A1 (it) * | 2018-06-18 | 2019-12-18 | “metodo per controllare la generazione di gas” | |
| FR3084841B1 (fr) * | 2018-08-08 | 2020-07-24 | Air Liquide | Traitement par permeation membranaire avec ajustement de la pression du flux gazeux d'alimentation en fonction de la concentration en ch4 dans le deuxieme retentat | 
| FR3089820B1 (fr) * | 2018-12-14 | 2020-11-27 | Air Liquide | Installation et procédé de traitement par perméation membranaire d'un courant gazeux avec ajustement de la concentration en méthane | 
| EP3695897A1 (en) | 2019-02-12 | 2020-08-19 | Haffmans B.V. | System and method for separating a gas mixture | 
| CN117165345A (zh) * | 2023-09-07 | 2023-12-05 | 中国石油大学(华东) | 一种利用多级膜分离法提纯掺氢天然气的加氢能源站 | 
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| Publication number | Priority date | Publication date | Assignee | Title | 
|---|---|---|---|---|
| JPS5263178A (en) * | 1975-11-17 | 1977-05-25 | Toshiba Corp | Gas separation unit | 
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| JPS63296820A (ja) * | 1987-05-29 | 1988-12-02 | Ube Ind Ltd | 高純度水素又はヘリウムの製造方法 | 
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| US5053058A (en) * | 1989-12-29 | 1991-10-01 | Uop | Control process and apparatus for membrane separation systems | 
| US5102432A (en) * | 1990-12-10 | 1992-04-07 | Union Carbide Industrial Gases Technology Corporation | Three-stage membrane gas separation process and system | 
| US5185014A (en) * | 1991-11-05 | 1993-02-09 | Praxair Technology, Inc. | Membrane oxygen process and system | 
| US5169412A (en) * | 1991-11-20 | 1992-12-08 | Praxair Technology Inc. | Membrane air drying and separation operations | 
| US5205842A (en) * | 1992-02-13 | 1993-04-27 | Praxair Technology, Inc. | Two stage membrane dryer | 
- 
        1993
        - 1993-01-06 US US08/001,131 patent/US5281253A/en not_active Expired - Fee Related
- 1993-12-15 CA CA002111554A patent/CA2111554A1/en not_active Abandoned
- 1993-12-15 TW TW082110631A patent/TW237393B/zh active
- 1993-12-15 EP EP93120209A patent/EP0605819A3/en not_active Withdrawn
- 1993-12-15 BR BR9305060A patent/BR9305060A/pt not_active Application Discontinuation
- 1993-12-15 MX MX9308030A patent/MX9308030A/es unknown
- 1993-12-15 JP JP5342295A patent/JP2789548B2/ja not_active Expired - Lifetime
- 1993-12-15 CN CN93120494A patent/CN1034989C/zh not_active Expired - Fee Related
- 1993-12-15 KR KR1019930028239A patent/KR940018129A/ko not_active Withdrawn
 
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title | 
|---|---|---|---|---|
| CN112969521A (zh) * | 2018-11-22 | 2021-06-15 | 林德有限责任公司 | 切换电解装置的运行方式的方法以及电解装置 | 
Also Published As
| Publication number | Publication date | 
|---|---|
| EP0605819A2 (en) | 1994-07-13 | 
| BR9305060A (pt) | 1994-07-26 | 
| EP0605819A3 (en) | 1995-01-18 | 
| JPH06205925A (ja) | 1994-07-26 | 
| JP2789548B2 (ja) | 1998-08-20 | 
| KR940018129A (ko) | 1994-08-16 | 
| CN1089882A (zh) | 1994-07-27 | 
| CN1034989C (zh) | 1997-05-28 | 
| MX9308030A (es) | 1994-08-31 | 
| TW237393B (en:Method) | 1995-01-01 | 
| US5281253A (en) | 1994-01-25 | 
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Legal Events
| Date | Code | Title | Description | 
|---|---|---|---|
| EEER | Examination request | ||
| FZDE | Discontinued |