DD270124A5 - Verfahren zur heliumgewinnung - Google Patents

Verfahren zur heliumgewinnung Download PDF

Info

Publication number: DD270124A5
Authority: DD; German Democratic Republic
Prior art keywords: pressure; helium; adsorption; adsorber; gas
Prior art date: 1987-05-20

Application number

DD88315902A

Other languages

German (de)

English (en)

Inventor

Karl Knoblauch

Erwin Pilarczyk

Klaus Giessler

Hans Bukowski

Amico Joseph S D

Herbert Reinhold

Original Assignee

��@��k��

Priority date (The priority date 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 date listed.)

1987-05-20

Filing date

1988-05-19

Publication date

1989-07-19

1988-05-19 Application filed by ��@��k�� filed Critical ��@��k��

1989-07-19 Publication of DD270124A5 publication Critical patent/DD270124A5/de

Links

239000001307 helium Substances 0.000 title claims abstract description 124
229910052734 helium Inorganic materials 0.000 title claims abstract description 124
SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 title claims abstract description 120
238000000034 method Methods 0.000 title claims abstract description 37
239000007789 gas Substances 0.000 claims abstract description 165
238000001179 sorption measurement Methods 0.000 claims abstract description 88
VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 36
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 19
229930195733 hydrocarbon Natural products 0.000 claims abstract description 9
150000002430 hydrocarbons Chemical class 0.000 claims abstract description 9
239000012535 impurity Substances 0.000 claims abstract description 9
238000011045 prefiltration Methods 0.000 claims abstract description 6
IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 32
239000000203 mixture Substances 0.000 claims description 27
229910052757 nitrogen Inorganic materials 0.000 claims description 16
238000011144 upstream manufacturing Methods 0.000 claims description 15
239000002808 molecular sieve Substances 0.000 claims description 12
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 12
229910052799 carbon Inorganic materials 0.000 claims description 11
239000011148 porous material Substances 0.000 claims description 6
238000010926 purge Methods 0.000 claims description 6
230000008929 regeneration Effects 0.000 claims description 6
238000011069 regeneration method Methods 0.000 claims description 6
241000272525 Anas platyrhynchos Species 0.000 claims 1
238000005057 refrigeration Methods 0.000 abstract description 10
239000003345 natural gas Substances 0.000 abstract description 8
238000011084 recovery Methods 0.000 abstract description 6
239000012159 carrier gas Substances 0.000 abstract description 2
238000004587 chromatography analysis Methods 0.000 abstract description 2
239000011261 inert gas Substances 0.000 abstract description 2
241000589614 Pseudomonas stutzeri Species 0.000 abstract 1
239000000047 product Substances 0.000 description 34
238000010586 diagram Methods 0.000 description 11
239000012467 final product Substances 0.000 description 7
CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
238000002474 experimental method Methods 0.000 description 4
239000003463 adsorbent Substances 0.000 description 3
230000007423 decrease Effects 0.000 description 3
238000000605 extraction Methods 0.000 description 3
238000011010 flushing procedure Methods 0.000 description 3
XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
229910002092 carbon dioxide Inorganic materials 0.000 description 2
239000001569 carbon dioxide Substances 0.000 description 2
239000007795 chemical reaction product Substances 0.000 description 2
238000003795 desorption Methods 0.000 description 2
238000005516 engineering process Methods 0.000 description 2
238000000926 separation method Methods 0.000 description 2
ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
229910052786 argon Inorganic materials 0.000 description 1
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 1
239000003638 chemical reducing agent Substances 0.000 description 1
239000000470 constituent Substances 0.000 description 1
238000010924 continuous production Methods 0.000 description 1
230000001351 cycling effect Effects 0.000 description 1
238000001514 detection method Methods 0.000 description 1
230000018109 developmental process Effects 0.000 description 1
238000009826 distribution Methods 0.000 description 1
230000009189 diving Effects 0.000 description 1
238000005265 energy consumption Methods 0.000 description 1
238000011049 filling Methods 0.000 description 1
239000008246 gaseous mixture Substances 0.000 description 1
JSRLCNHTWASAJT-UHFFFAOYSA-N helium;molecular nitrogen Chemical compound [He].N#N JSRLCNHTWASAJT-UHFFFAOYSA-N 0.000 description 1
238000002156 mixing Methods 0.000 description 1
239000001301 oxygen Substances 0.000 description 1
229910052760 oxygen Inorganic materials 0.000 description 1
238000007639 printing Methods 0.000 description 1
230000001681 protective effect Effects 0.000 description 1
238000004064 recycling Methods 0.000 description 1
230000001172 regenerating effect Effects 0.000 description 1
238000003860 storage Methods 0.000 description 1
239000000126 substance Substances 0.000 description 1
238000003466 welding 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
- B01D53/047—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
- C01B23/00—Noble gases; Compounds thereof
- 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
- B01D2253/102—Carbon
- 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
- B01D2253/116—Molecular sieves other than 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
- B01D2253/25—Coated, impregnated or composite adsorbents
- 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
- B01D2253/308—Pore size
- 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
- B01D2256/18—Noble gases
- 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
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
- B01D2257/702—Hydrocarbons
- B01D2257/7022—Aliphatic hydrocarbons
- B01D2257/7025—Methane
- 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
- B01D2259/40001—Methods relating to additional, e.g. intermediate, treatment of 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
- B01D2259/40028—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
- B01D2259/40035—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
- B01D2259/40035—Equalization
- B01D2259/40041—Equalization with more than 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
- B01D2259/40058—Number of sequence steps, including sub-steps, per cycle
- B01D2259/40066—Six
- 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
- B01D2259/40071—Nine
- 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
- B01D2259/404—Further details for adsorption processes and devices using four beds
- 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
- Y02C20/20—Capture or disposal of greenhouse gases of methane
- 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
- Y02P20/156—Methane [CH4]

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)

DD88315902A 1987-05-20 1988-05-19 Verfahren zur heliumgewinnung DD270124A5 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE3716899A DE3716899C1 (de)	1987-05-20	1987-05-20	Verfahren und Vorrichtung zur Heliumgewinnung

Publications (1)

Publication Number	Publication Date
DD270124A5 true DD270124A5 (de)	1989-07-19

Family

ID=6327951

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DD88315902A DD270124A5 (de)	1987-05-20	1988-05-19	Verfahren zur heliumgewinnung

Country Status (10)

Country	Link
US (1)	US5080694A (it)
EP (2)	EP0291976B1 (it)
JP (1)	JPH02503552A (it)
AU (1)	AU604127B2 (it)
DD (1)	DD270124A5 (it)
DE (2)	DE3716899C1 (it)
ES (1)	ES2023977B3 (it)
PL (1)	PL160298B1 (it)
RU (1)	RU1816228C (it)
WO (1)	WO1988009305A1 (it)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3716898A1 (de) *	1987-05-20	1988-12-15	Bergwerksverband Gmbh	Verfahren und vorrichtung zur heliumanreicherung
ZA915939B (en) *	1990-08-23	1992-06-24	Boc Group Inc	Process for helium purification
US5368067A (en) *	1993-03-23	1994-11-29	The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration	Gas storage and recovery system
US5632803A (en) *	1994-10-21	1997-05-27	Nitrotec Corporation	Enhanced helium recovery
US5707425A (en) *	1994-10-21	1998-01-13	Nitrotec Corporation	Helium recovery from higher helium content streams
US5792239A (en) *	1994-10-21	1998-08-11	Nitrotec Corporation	Separation of gases by pressure swing adsorption
US5542966A (en) *	1994-10-21	1996-08-06	Nitrotec Corporation	Helium recovery
DE19528784C1 (de) *	1995-08-04	1996-08-29	Inst Neuwertwirtschaft Gmbh	Verfahren zur Reinigung von Inertgasen mittels Sorbenzien
US5906673A (en) *	1997-05-15	1999-05-25	Nitrotec Corporation	Pressure swing system with auxiliary adsorbent bed
DE10007440A1 (de) *	2000-02-18	2001-08-23	Linde Ag	Verfahren zum Abtrennen einer Helium-reichen Fraktion aus einem wenigstens Methan, Stickstoff und Helium enthaltenden Strom
FR2818920B1 (fr) *	2000-12-29	2003-09-26	Air Liquide	Procede de traitement d'un gaz par absorption et installation correspondante
ES2381532T3 (es) *	2001-07-31	2012-05-29	Praxair Technology, Inc.	Recuperación de helio
US20040194513A1 (en) *	2003-04-04	2004-10-07	Giacobbe Frederick W	Fiber coolant system including improved gas seals
US6824098B1 (en)	2003-05-28	2004-11-30	Gregorio M. Belloso	VTOL parafoil aircraft
US7780764B2 (en)	2008-06-27	2010-08-24	Praxair Technology, Inc.	Methods and systems for helium recovery
US8152898B2 (en) *	2008-10-24	2012-04-10	Praxair Technology, Inc.	Helium recovery process
WO2013171856A1 (ja)	2012-05-16	2013-11-21	石油資源開発株式会社	天然ガスの処理方法及び処理装置
US9623370B2 (en)	2015-02-10	2017-04-18	Praxair Technology, Inc.	Integrated process and apparatus for recovery of helium rich streams
US9676628B2 (en)	2015-02-10	2017-06-13	Praxair Technology, Inc.	Integrated process and apparatus for recovery of helium rich streams
US10478770B2 (en)	2017-12-21	2019-11-19	Air Products And Chemicals, Inc.	Separation process and apparatus for light noble gas
US10843121B2 (en)	2017-12-21	2020-11-24	Air Products And Chemicals, Inc.	Separation process and apparatus for light noble gas
GB201818896D0 (en) *	2018-11-20	2019-01-02	Gas Recovery And Recycle Ltd	Gas recovery method
CN116281896B (zh) *	2022-12-01	2024-04-16	煤炭科学技术研究院有限公司	一种含氦煤层气浓缩低温提氦的方法
CN118419871A (zh) *	2024-04-23	2024-08-02	西安交通大学	一种利用金属有机框架材料室温下粗氦气吸附提纯的方法
CN118687339B (zh) *	2024-08-23	2024-12-24	杭氧集团股份有限公司	一种非低温催化纯化的氦气回收装置及制造氦气的方法

Family Cites Families (19)

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Publication number	Priority date	Publication date	Assignee	Title
US3430418A (en) *	1967-08-09	1969-03-04	Union Carbide Corp	Selective adsorption process
US3564816A (en) *	1968-12-30	1971-02-23	Union Carbide Corp	Selective adsorption process
US3636679A (en) *	1971-01-04	1972-01-25	Union Carbide Corp	Selective adsorption gas separation process
US3738087A (en) *	1971-07-01	1973-06-12	Union Carbide Corp	Selective adsorption gas separation process
GB1449864A (en) *	1973-10-24	1976-09-15	Boc International Ltd	Adsorption system
DE2504653A1 (de) *	1974-04-26	1975-11-13	Le T I Cholodil	Verfahren zur reinigung eines neonhelium-gemisches
US4077779A (en) *	1976-10-15	1978-03-07	Air Products And Chemicals, Inc.	Hydrogen purification by selective adsorption
JPS54110193A (en) *	1978-02-17	1979-08-29	Toshiba Corp	Method and equipment for recovering helium in natural gas
DE3122701A1 (de) *	1981-06-06	1982-12-23	Bergwerksverband Gmbh, 4300 Essen	Verfahren zur trennung von gasgemischen mittels druckwechseltechnik
FR2510539A1 (fr) *	1981-07-28	1983-02-04	Expertises Sa Cie Maritime	Procede et installation d'epuration de l'helium contenu dans un melange de gaz
DE3132758A1 (de) *	1981-08-19	1983-03-03	Linde Ag, 6200 Wiesbaden	Absorptionsverfahren
DE3214771A1 (de) *	1982-04-21	1983-10-27	Bergwerksverband Gmbh, 4300 Essen	Verfahren zur gewinnung von edelgasen mit kleinen atomdurchmessern, insbesondere helium, aus sauerstoff und/oder stickstoff enthaltenden gasgemischen
US4477265A (en) *	1982-08-05	1984-10-16	Air Products And Chemicals, Inc.	Argon purification
JPS5992907A (ja) *	1982-11-19	1984-05-29	Seitetsu Kagaku Co Ltd	高濃度アルゴンの製造方法
DE3716898A1 (de) *	1987-05-20	1988-12-15	Bergwerksverband Gmbh	Verfahren und vorrichtung zur heliumanreicherung
US4892565A (en) *	1987-12-29	1990-01-09	Air Products And Chemicals, Inc.	Adsorptive separation utilizing multiple adsorption beds
US4790858A (en) *	1988-01-29	1988-12-13	Air Products And Chemicals, Inc.	Fractionation of multicomponent gas mixtures by pressure swing adsorption
US4913709A (en) *	1989-02-17	1990-04-03	Ravi Kumar	Adsorption process for recovering two high purity gas products from multicomponent gas mixtures
US4914218A (en) *	1989-02-17	1990-04-03	Ravi Kumar	Adsorptive process for separating multicomponent gas mixtures

1987
- 1987-05-20 DE DE3716899A patent/DE3716899C1/de not_active Expired
1988
- 1988-05-19 ES ES88108031T patent/ES2023977B3/es not_active Expired - Lifetime
- 1988-05-19 EP EP88108031A patent/EP0291976B1/de not_active Expired - Lifetime
- 1988-05-19 WO PCT/EP1988/000440 patent/WO1988009305A1/de not_active Ceased
- 1988-05-19 US US07/445,711 patent/US5080694A/en not_active Expired - Fee Related
- 1988-05-19 AU AU17815/88A patent/AU604127B2/en not_active Ceased
- 1988-05-19 EP EP88904521A patent/EP0358700A1/de active Pending
- 1988-05-19 DD DD88315902A patent/DD270124A5/de not_active IP Right Cessation
- 1988-05-19 JP JP88504302A patent/JPH02503552A/ja active Granted
- 1988-05-19 DE DE8888108031T patent/DE3863585D1/de not_active Expired - Fee Related
- 1988-05-20 PL PL1988272593A patent/PL160298B1/pl unknown
1989
- 1989-11-17 RU SU894742427A patent/RU1816228C/ru active

Also Published As

Publication number	Publication date
US5080694A (en)	1992-01-14
PL272593A1 (en)	1989-02-06
AU604127B2 (en)	1990-12-06
WO1988009305A1 (fr)	1988-12-01
ES2023977B3 (es)	1992-02-16
EP0291976B1 (de)	1991-07-10
DE3863585D1 (de)	1991-08-14
DE3716899C1 (de)	1988-08-04
JPH02503552A (ja)	1990-10-25
JPH0577604B2 (it)	1993-10-27
RU1816228C (ru)	1993-05-15
PL160298B1 (pl)	1993-02-26
EP0358700A1 (de)	1990-03-21
EP0291976A1 (de)	1988-11-23
AU1781588A (en)	1988-12-21

Legal Events

Date	Code	Title	Description
1999-12-09	ENJ	Ceased due to non-payment of renewal fee

Publication	Publication Date	Title
EP0291975B1 (de)	1991-06-26	Verfahren zur Heliumanreicherung
EP0291976B1 (de)	1991-07-10	Verfahren zur Heliumgewinnung
DE3485922T2 (de)	1993-02-18	Stickstoff-generator-verfahren zur herstellung von kleinen volumina hochreinen stickstoffs aus pressluft.
EP0146124B1 (de)	1990-01-03	Druckwechseladsorptionsverfahren
EP0019105B1 (de)	1983-06-22	Druckwechsel-Adsorptionsverfahren und seine Anwendung bei der Herstellung organischer Säuren
DE69126397T2 (de)	1997-11-20	Doppeladsorptionsverfahren
EP0157939B1 (de)	1988-10-12	Verfahren zur Gewinnung von Sauerstoff mit einem geringen Argon-Anteil aus Luft
DE3327091C2 (it)	1993-07-22
DE3306371C2 (it)	1988-02-18
DE2460513C3 (de)	1979-01-25	Verfahren und Vorrichtung zur Zerlegung von Gasgemischen durch adiabatische Ad- und Desorption
DE2153808B2 (de)	1977-08-18	Adiabatisches verfahren zum abtrennen von einer oder mehreren komponenten aus gasgemischen
EP0066868B1 (de)	1985-01-09	Verfahren zur Trennung von Gasgemischen mittels Druckwechsel-Adsorptionstechnik
EP0103070A2 (de)	1984-03-21	Verfahren und Vorrichtung zur Trennung von Gasen mit Adsorbentien
EP0225605A1 (de)	1987-06-16	Druckwechseladsorptionsverfahren
DE3307974A1 (de)	1984-09-13	Verfahren zur gewinnung von stickstoff
EP0212494B1 (de)	1990-01-03	Druckwechseladsorptionsverfahren
DE2441447C3 (de)	1980-05-22	Verfahren zur adsorptiven Trennung von neben Stickstoff wenigstens Sauerstoff enthaltenden Gasgemischen
DE2624346C2 (it)	1990-09-20
DE3214771A1 (de)	1983-10-27	Verfahren zur gewinnung von edelgasen mit kleinen atomdurchmessern, insbesondere helium, aus sauerstoff und/oder stickstoff enthaltenden gasgemischen
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