JPH0446173B2 - - Google Patents

Info

Publication number: JPH0446173B2
Authority: JP; Japan
Prior art keywords: gas; gas separation; water vapor; separation membrane; diamino
Prior art date: 1985-08-20
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 - Lifetime

Application number

JP60180986A

Other languages

English (en)

Japanese (ja)

Other versions

JPS6242723A (ja

Inventor

Hiroshi Makino

Kanji Nakagawa

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Ube Corp

Original Assignee

Ube Industries Ltd

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.)

1985-08-20

Filing date

1985-08-20

Publication date

1992-07-29

1985-08-20 Application filed by Ube Industries Ltd filed Critical Ube Industries Ltd

1985-08-20 Priority to JP60180986A priority Critical patent/JPS6242723A/ja

1987-02-24 Publication of JPS6242723A publication Critical patent/JPS6242723A/ja

1992-07-29 Publication of JPH0446173B2 publication Critical patent/JPH0446173B2/ja

Status Granted legal-status Critical Current

Links

238000000926 separation method Methods 0.000 claims description 107
239000012528 membrane Substances 0.000 claims description 82
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 52
239000004642 Polyimide Substances 0.000 claims description 37
229920001721 polyimide Polymers 0.000 claims description 37
125000003118 aryl group Chemical group 0.000 claims description 35
238000000034 method Methods 0.000 claims description 28
VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 26
239000007789 gas Substances 0.000 description 288
239000012510 hollow fiber Substances 0.000 description 33
239000012466 permeate Substances 0.000 description 21
238000001035 drying Methods 0.000 description 20
150000004984 aromatic diamines Chemical class 0.000 description 13
239000010408 film Substances 0.000 description 12
239000000203 mixture Substances 0.000 description 11
XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 8
-1 aromatic tetracarboxylic acid Chemical class 0.000 description 8
239000007788 liquid Substances 0.000 description 8
239000002994 raw material Substances 0.000 description 8
JVERADGGGBYHNP-UHFFFAOYSA-N 5-phenylbenzene-1,2,3,4-tetracarboxylic acid Chemical class OC(=O)C1=C(C(O)=O)C(C(=O)O)=CC(C=2C=CC=CC=2)=C1C(O)=O JVERADGGGBYHNP-UHFFFAOYSA-N 0.000 description 7
238000007791 dehumidification Methods 0.000 description 7
239000011347 resin Substances 0.000 description 6
229920005989 resin Polymers 0.000 description 6
GTDPSWPPOUPBNX-UHFFFAOYSA-N ac1mqpva Chemical compound CC12C(=O)OC(=O)C1(C)C1(C)C2(C)C(=O)OC1=O GTDPSWPPOUPBNX-UHFFFAOYSA-N 0.000 description 5
239000002253 acid Substances 0.000 description 5
230000005540 biological transmission Effects 0.000 description 5
230000000052 comparative effect Effects 0.000 description 5
239000003822 epoxy resin Substances 0.000 description 5
229920000647 polyepoxide Polymers 0.000 description 5
229910052786 argon Inorganic materials 0.000 description 4
230000015572 biosynthetic process Effects 0.000 description 4
MHDWQCSVXCLPGW-UHFFFAOYSA-N dibenzothiophene-1,2-diamine Chemical compound C1=CC=C2C3=C(N)C(N)=CC=C3SC2=C1 MHDWQCSVXCLPGW-UHFFFAOYSA-N 0.000 description 4
238000005259 measurement Methods 0.000 description 4
239000003345 natural gas Substances 0.000 description 4
230000035699 permeability Effects 0.000 description 4
238000010926 purge Methods 0.000 description 4
239000010409 thin film Substances 0.000 description 4
150000007513 acids Chemical class 0.000 description 3
230000001112 coagulating effect Effects 0.000 description 3
238000005345 coagulation Methods 0.000 description 3
230000015271 coagulation Effects 0.000 description 3
125000006159 dianhydride group Chemical group 0.000 description 3
239000000463 material Substances 0.000 description 3
239000003960 organic solvent Substances 0.000 description 3
VHNQIURBCCNWDN-UHFFFAOYSA-N pyridine-2,6-diamine Chemical compound NC1=CC=CC(N)=N1 VHNQIURBCCNWDN-UHFFFAOYSA-N 0.000 description 3
229920006395 saturated elastomer Polymers 0.000 description 3
UITKHKNFVCYWNG-UHFFFAOYSA-N 4-(3,4-dicarboxybenzoyl)phthalic acid Chemical compound C1=C(C(O)=O)C(C(=O)O)=CC=C1C(=O)C1=CC=C(C(O)=O)C(C(O)=O)=C1 UITKHKNFVCYWNG-UHFFFAOYSA-N 0.000 description 2
HLBLWEWZXPIGSM-UHFFFAOYSA-N 4-Aminophenyl ether Chemical compound C1=CC(N)=CC=C1OC1=CC=C(N)C=C1 HLBLWEWZXPIGSM-UHFFFAOYSA-N 0.000 description 2
MQJKPEGWNLWLTK-UHFFFAOYSA-N Dapsone Chemical compound C1=CC(N)=CC=C1S(=O)(=O)C1=CC=C(N)C=C1 MQJKPEGWNLWLTK-UHFFFAOYSA-N 0.000 description 2
RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
238000010521 absorption reaction Methods 0.000 description 2
150000001298 alcohols Chemical class 0.000 description 2
238000004458 analytical method Methods 0.000 description 2
239000004305 biphenyl Substances 0.000 description 2
125000004432 carbon atom Chemical group C* 0.000 description 2
238000000605 extraction Methods 0.000 description 2
229930195733 hydrocarbon Natural products 0.000 description 2
150000002430 hydrocarbons Chemical class 0.000 description 2
238000004519 manufacturing process Methods 0.000 description 2
150000002989 phenols Chemical class 0.000 description 2
229920005575 poly(amic acid) Polymers 0.000 description 2
230000000379 polymerizing effect Effects 0.000 description 2
CYIDZMCFTVVTJO-UHFFFAOYSA-N pyromellitic acid Chemical compound OC(=O)C1=CC(C(O)=O)=C(C(O)=O)C=C1C(O)=O CYIDZMCFTVVTJO-UHFFFAOYSA-N 0.000 description 2
239000002904 solvent Substances 0.000 description 2
238000001179 sorption measurement Methods 0.000 description 2
238000010998 test method Methods 0.000 description 2
CBCKQZAAMUWICA-UHFFFAOYSA-N 1,4-phenylenediamine Chemical compound NC1=CC=C(N)C=C1 CBCKQZAAMUWICA-UHFFFAOYSA-N 0.000 description 1
VLDPXPPHXDGHEW-UHFFFAOYSA-N 1-chloro-2-dichlorophosphoryloxybenzene Chemical compound ClC1=CC=CC=C1OP(Cl)(Cl)=O VLDPXPPHXDGHEW-UHFFFAOYSA-N 0.000 description 1
FDNSGQZNKVQWGE-UHFFFAOYSA-N 10-methyl-5,5-dioxophenothiazine-3,7-diamine Chemical compound NC1=CC=C2N(C)C3=CC=C(N)C=C3S(=O)(=O)C2=C1 FDNSGQZNKVQWGE-UHFFFAOYSA-N 0.000 description 1
HFEPENYPELKAQF-UHFFFAOYSA-N 2,6-dimethyldibenzothiophene-3,7-diamine Chemical compound S1C2=C(C)C(N)=CC=C2C2=C1C=C(N)C(C)=C2 HFEPENYPELKAQF-UHFFFAOYSA-N 0.000 description 1
KEMGPCYBTHJENU-UHFFFAOYSA-N 2,8-dimethyldibenzothiophene-3,7-diamine Chemical compound S1C2=CC(N)=C(C)C=C2C2=C1C=C(N)C(C)=C2 KEMGPCYBTHJENU-UHFFFAOYSA-N 0.000 description 1
MILSYCKGLDDVLM-UHFFFAOYSA-N 2-phenylpropan-2-ylbenzene Chemical class C=1C=CC=CC=1C(C)(C)C1=CC=CC=C1 MILSYCKGLDDVLM-UHFFFAOYSA-N 0.000 description 1
NUIURNJTPRWVAP-UHFFFAOYSA-N 3,3'-Dimethylbenzidine Chemical compound C1=C(N)C(C)=CC(C=2C=C(C)C(N)=CC=2)=C1 NUIURNJTPRWVAP-UHFFFAOYSA-N 0.000 description 1
UENRXLSRMCSUSN-UHFFFAOYSA-N 3,5-diaminobenzoic acid Chemical compound NC1=CC(N)=CC(C(O)=O)=C1 UENRXLSRMCSUSN-UHFFFAOYSA-N 0.000 description 1
YNJLAZQWIJQCDP-UHFFFAOYSA-N 3,7-dimethyldibenzothiophene-2,8-diamine Chemical compound S1C2=CC(C)=C(N)C=C2C2=C1C=C(C)C(N)=C2 YNJLAZQWIJQCDP-UHFFFAOYSA-N 0.000 description 1
NBAUUNCGSMAPFM-UHFFFAOYSA-N 3-(3,4-dicarboxyphenyl)phthalic acid Chemical compound C1=C(C(O)=O)C(C(=O)O)=CC=C1C1=CC=CC(C(O)=O)=C1C(O)=O NBAUUNCGSMAPFM-UHFFFAOYSA-N 0.000 description 1
LXJLFVRAWOOQDR-UHFFFAOYSA-N 3-(3-aminophenoxy)aniline Chemical compound NC1=CC=CC(OC=2C=C(N)C=CC=2)=C1 LXJLFVRAWOOQDR-UHFFFAOYSA-N 0.000 description 1
LJGHYPLBDBRCRZ-UHFFFAOYSA-N 3-(3-aminophenyl)sulfonylaniline Chemical compound NC1=CC=CC(S(=O)(=O)C=2C=C(N)C=CC=2)=C1 LJGHYPLBDBRCRZ-UHFFFAOYSA-N 0.000 description 1
ZMPZWXKBGSQATE-UHFFFAOYSA-N 3-(4-aminophenyl)sulfonylaniline Chemical compound C1=CC(N)=CC=C1S(=O)(=O)C1=CC=CC(N)=C1 ZMPZWXKBGSQATE-UHFFFAOYSA-N 0.000 description 1
CKOFBUUFHALZGK-UHFFFAOYSA-N 3-[(3-aminophenyl)methyl]aniline Chemical compound NC1=CC=CC(CC=2C=C(N)C=CC=2)=C1 CKOFBUUFHALZGK-UHFFFAOYSA-N 0.000 description 1
DVXYMCJCMDTSQA-UHFFFAOYSA-N 3-[2-(3-aminophenyl)propan-2-yl]aniline Chemical compound C=1C=CC(N)=CC=1C(C)(C)C1=CC=CC(N)=C1 DVXYMCJCMDTSQA-UHFFFAOYSA-N 0.000 description 1
ICNFHJVPAJKPHW-UHFFFAOYSA-N 4,4'-Thiodianiline Chemical compound C1=CC(N)=CC=C1SC1=CC=C(N)C=C1 ICNFHJVPAJKPHW-UHFFFAOYSA-N 0.000 description 1
YBRVSVVVWCFQMG-UHFFFAOYSA-N 4,4'-diaminodiphenylmethane Chemical compound C1=CC(N)=CC=C1CC1=CC=C(N)C=C1 YBRVSVVVWCFQMG-UHFFFAOYSA-N 0.000 description 1
LFBALUPVVFCEPA-UHFFFAOYSA-N 4-(3,4-dicarboxyphenyl)phthalic acid Chemical compound C1=C(C(O)=O)C(C(=O)O)=CC=C1C1=CC=C(C(O)=O)C(C(O)=O)=C1 LFBALUPVVFCEPA-UHFFFAOYSA-N 0.000 description 1
ZYEDGEXYGKWJPB-UHFFFAOYSA-N 4-[2-(4-aminophenyl)propan-2-yl]aniline Chemical compound C=1C=C(N)C=CC=1C(C)(C)C1=CC=C(N)C=C1 ZYEDGEXYGKWJPB-UHFFFAOYSA-N 0.000 description 1
AEMXURHNQSDPCG-UHFFFAOYSA-N 4-[2-[2-(4-aminophenoxy)phenyl]sulfanylphenoxy]aniline Chemical compound C1=CC(N)=CC=C1OC1=CC=CC=C1SC1=CC=CC=C1OC1=CC=C(N)C=C1 AEMXURHNQSDPCG-UHFFFAOYSA-N 0.000 description 1
RHZXUWLRHYSLFS-UHFFFAOYSA-N 4-[2-[2-(4-aminophenoxy)phenyl]sulfonylphenoxy]aniline Chemical compound C1=CC(N)=CC=C1OC1=CC=CC=C1S(=O)(=O)C1=CC=CC=C1OC1=CC=C(N)C=C1 RHZXUWLRHYSLFS-UHFFFAOYSA-N 0.000 description 1
GDRQHCHNCBCGST-UHFFFAOYSA-N 9h-thioxanthene-1,2-diamine Chemical compound C1=CC=C2CC3=C(N)C(N)=CC=C3SC2=C1 GDRQHCHNCBCGST-UHFFFAOYSA-N 0.000 description 1
239000004925 Acrylic resin Substances 0.000 description 1
IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
239000004215 Carbon black (E152) Substances 0.000 description 1
239000000853 adhesive Substances 0.000 description 1
230000001070 adhesive effect Effects 0.000 description 1
125000003545 alkoxy group Chemical group 0.000 description 1
125000000217 alkyl group Chemical group 0.000 description 1
125000002947 alkylene group Chemical group 0.000 description 1
150000008366 benzophenones Chemical class 0.000 description 1
TUQQUUXMCKXGDI-UHFFFAOYSA-N bis(3-aminophenyl)methanone Chemical compound NC1=CC=CC(C(=O)C=2C=C(N)C=CC=2)=C1 TUQQUUXMCKXGDI-UHFFFAOYSA-N 0.000 description 1
229910052799 carbon Inorganic materials 0.000 description 1
238000005266 casting Methods 0.000 description 1
239000011248 coating agent Substances 0.000 description 1
238000000576 coating method Methods 0.000 description 1
239000002131 composite material Substances 0.000 description 1
238000010276 construction Methods 0.000 description 1
239000010779 crude oil Substances 0.000 description 1
238000010586 diagram Methods 0.000 description 1
229910001873 dinitrogen Inorganic materials 0.000 description 1
LTYMSROWYAPPGB-UHFFFAOYSA-N diphenyl sulfide Chemical compound C=1C=CC=CC=1SC1=CC=CC=C1 LTYMSROWYAPPGB-UHFFFAOYSA-N 0.000 description 1
CZZYITDELCSZES-UHFFFAOYSA-N diphenylmethane Chemical class C=1C=CC=CC=1CC1=CC=CC=C1 CZZYITDELCSZES-UHFFFAOYSA-N 0.000 description 1
230000000694 effects Effects 0.000 description 1
229920001971 elastomer Polymers 0.000 description 1
239000000806 elastomer Substances 0.000 description 1
150000002148 esters Chemical class 0.000 description 1
125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
238000000855 fermentation Methods 0.000 description 1
230000004151 fermentation Effects 0.000 description 1
239000000835 fiber Substances 0.000 description 1
238000004817 gas chromatography Methods 0.000 description 1
239000001257 hydrogen Substances 0.000 description 1
229910052739 hydrogen Inorganic materials 0.000 description 1
125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
239000011261 inert gas Substances 0.000 description 1
238000012423 maintenance Methods 0.000 description 1
125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
238000002156 mixing Methods 0.000 description 1
239000002808 molecular sieve Substances 0.000 description 1
229910052754 neon Inorganic materials 0.000 description 1
GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 description 1
239000003209 petroleum derivative Substances 0.000 description 1
239000005011 phenolic resin Substances 0.000 description 1
125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
239000002243 precursor Substances 0.000 description 1
239000001294 propane Substances 0.000 description 1
125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
238000011160 research 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
239000000126 substance Substances 0.000 description 1
239000000758 substrate Substances 0.000 description 1
238000012360 testing method Methods 0.000 description 1
229920001187 thermosetting polymer Polymers 0.000 description 1
KLPIAMYYFDMYTB-UHFFFAOYSA-N thianthrene-2,7-diamine Chemical compound NC1=CC=C2SC3=CC(N)=CC=C3SC2=C1 KLPIAMYYFDMYTB-UHFFFAOYSA-N 0.000 description 1
PNWFDIBPEXDQPT-UHFFFAOYSA-N thianthrene-2,8-diamine Chemical compound C1=C(N)C=C2SC3=CC(N)=CC=C3SC2=C1 PNWFDIBPEXDQPT-UHFFFAOYSA-N 0.000 description 1
239000002699 waste material Substances 0.000 description 1

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/06—Organic material
- B01D71/58—Other polymers having nitrogen in the main chain, with or without oxygen or carbon only
- B01D71/62—Polycondensates having nitrogen-containing heterocyclic rings in the main chain
- B01D71/64—Polyimides; Polyamide-imides; Polyester-imides; Polyamide acids or similar polyimide precursors

Landscapes

Chemical & Material Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Separation Using Semi-Permeable Membranes (AREA)
Drying Of Gases (AREA)

JP60180986A 1985-08-20 1985-08-20 混合ガスの除湿方法 Granted JPS6242723A (ja)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
JP60180986A JPS6242723A (ja)	1985-08-20	1985-08-20	混合ガスの除湿方法

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP60180986A JPS6242723A (ja)	1985-08-20	1985-08-20	混合ガスの除湿方法

Publications (2)

Publication Number	Publication Date
JPS6242723A JPS6242723A (ja)	1987-02-24
JPH0446173B2 true JPH0446173B2 (ko)	1992-07-29

Family

ID=16092740

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
JP60180986A Granted JPS6242723A (ja)	1985-08-20	1985-08-20	混合ガスの除湿方法

Country Status (1)

Country	Link
JP (1)	JPS6242723A (ko)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0331702B1 (en) *	1987-09-10	1992-06-24	Hewlett-Packard Company	Apparatus for drying a wet gas
JPH01143625A (ja) *	1987-11-27	1989-06-06	Ube Ind Ltd	ガスの脱湿方法
JPH0667449B2 (ja) *	1987-11-27	1994-08-31	宇部興産株式会社	ガスの脱湿法
JPH01143624A (ja) *	1987-11-27	1989-06-06	Ube Ind Ltd	計装用又は駆動装置用のガスの脱湿方法
US4783201A (en) *	1987-12-28	1988-11-08	Rice Arthur W	Gas dehydration membrane apparatus
JPH01176425A (ja) *	1987-12-29	1989-07-12	Ube Ind Ltd	ガスの脱湿方法
EP0326083B1 (en) *	1988-01-26	1994-06-01	Asahi Glass Company Ltd.	Vapor permselective membrane
JPH01194927A (ja) *	1988-01-27	1989-08-04	Japan Gore Tex Inc	水蒸気選択透過膜
JPH01224029A (ja) *	1988-03-04	1989-09-07	Ube Ind Ltd	ガスの脱湿方法
JPH0270717U (ko) *	1988-11-21	1990-05-29
JPH0641629Y2 (ja) *	1988-11-21	1994-11-02	シーケーディ株式会社	除湿装置
US4931070A (en) *	1989-05-12	1990-06-05	Union Carbide Corporation	Process and system for the production of dry, high purity nitrogen
US4952219A (en) *	1989-09-29	1990-08-28	Air Products And Chemicals, Inc.	Membrane drying of gas feeds to low temperature units
US5118327A (en) *	1989-10-05	1992-06-02	Andrew Corporation	Dehumidifier for supplying gas having controlled dew point
JPH0822365B2 (ja) *	1989-12-14	1996-03-06	シーケーディ株式会社	除湿装置
US5205842A (en) *	1992-02-13	1993-04-27	Praxair Technology, Inc.	Two stage membrane dryer
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
US5681368A (en) *	1995-07-05	1997-10-28	Andrew Corporation	Dehumidifier system using membrane cartridge
US5759237A (en) *	1996-06-14	1998-06-02	L'air Liquide Societe Anonyme Pour L'etude Et, L'exploitation Des Procedes Georges Claude	Process and system for selective abatement of reactive gases and recovery of perfluorocompound gases
JP3816289B2 (ja) *	2000-02-18	2006-08-30	ナブテスコ株式会社	中空糸膜式除湿装置
JP4690530B2 (ja) *	2000-09-18	2011-06-01	新コスモス電機株式会社	吸引式ガス検出システム
JP2014091766A (ja) *	2012-11-01	2014-05-19	Ube Ind Ltd	バイオガス利用システムおよびバイオガス除湿方法

1985
- 1985-08-20 JP JP60180986A patent/JPS6242723A/ja active Granted

Also Published As

Publication number	Publication date
JPS6242723A (ja)	1987-02-24

Legal Events

Date	Code	Title	Description
2005-07-29	LAPS	Cancellation because of no payment of annual fees

Publication	Publication Date	Title
JPH0446173B2 (ko)	1992-07-29
US4718921A (en)	1988-01-12	Method for removing water vapor from water vapor-containing gas
US7556677B2 (en)	2009-07-07	Solvent resistant asymmetric integrally skinned membranes
JPH0247931B2 (ko)	1990-10-23
JPS63236517A (ja)	1988-10-03	混合ガスの除湿方法
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JP3471918B2 (ja)	2003-12-02	新規ポリイミドガス分離膜
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WO2015147103A1 (ja)	2015-10-01	非対称ガス分離膜、及びガスを分離回収する方法
JPS63264121A (ja)	1988-11-01	ポリイミド気体分離膜
JP2022152519A (ja)	2022-10-12	非対称中空糸ガス分離膜
JPH0763579B2 (ja)	1995-07-12	脱湿方法
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JP2649706B2 (ja)	1997-09-03	有機物混合液の浸透気化分離方法
JPH0530484B2 (ko)	1993-05-10
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JP6060715B2 (ja)	2017-01-18	ポリイミドガス分離膜、及びガス分離方法