NO175623B - - Google Patents
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- Publication number
- NO175623B NO175623B NO885776A NO885776A NO175623B NO 175623 B NO175623 B NO 175623B NO 885776 A NO885776 A NO 885776A NO 885776 A NO885776 A NO 885776A NO 175623 B NO175623 B NO 175623B
- Authority
- NO
- Norway
- Prior art keywords
- gas
- membranes
- membrane
- water vapor
- asymmetric
- Prior art date
Links
- 239000012528 membrane Substances 0.000 claims description 177
- 239000007789 gas Substances 0.000 claims description 158
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 75
- 238000000034 method Methods 0.000 claims description 51
- 238000000926 separation method Methods 0.000 claims description 47
- 230000035699 permeability Effects 0.000 claims description 40
- 239000000835 fiber Substances 0.000 claims description 37
- 239000012466 permeate Substances 0.000 claims description 37
- 239000012510 hollow fiber Substances 0.000 claims description 25
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 23
- 230000001105 regulatory effect Effects 0.000 claims description 23
- 230000008569 process Effects 0.000 claims description 18
- 238000011282 treatment Methods 0.000 claims description 18
- 238000010438 heat treatment Methods 0.000 claims description 15
- 229910052760 oxygen Inorganic materials 0.000 claims description 13
- 229920002492 poly(sulfone) Polymers 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
- 229910052757 nitrogen Inorganic materials 0.000 claims description 11
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 10
- 229920001600 hydrophobic polymer Polymers 0.000 claims description 10
- 238000001035 drying Methods 0.000 claims description 9
- 239000011148 porous material Substances 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 7
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 6
- 150000001875 compounds Chemical class 0.000 claims description 6
- 239000002861 polymer material Substances 0.000 claims description 6
- 229930195733 hydrocarbon Natural products 0.000 claims description 5
- 150000002430 hydrocarbons Chemical class 0.000 claims description 5
- 239000001569 carbon dioxide Substances 0.000 claims description 4
- 238000012856 packing Methods 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 2
- 239000004215 Carbon black (E152) Substances 0.000 claims 3
- 125000004432 carbon atom Chemical group C* 0.000 claims 1
- 230000001747 exhibiting effect Effects 0.000 claims 1
- 229920000642 polymer Polymers 0.000 description 23
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 18
- 239000000203 mixture Substances 0.000 description 15
- 239000002904 solvent Substances 0.000 description 15
- QWTDNUCVQCZILF-UHFFFAOYSA-N isopentane Chemical compound CCC(C)C QWTDNUCVQCZILF-UHFFFAOYSA-N 0.000 description 14
- 239000003921 oil Substances 0.000 description 13
- 239000000463 material Substances 0.000 description 12
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 12
- 238000012360 testing method Methods 0.000 description 12
- 230000035515 penetration Effects 0.000 description 11
- 238000009987 spinning Methods 0.000 description 8
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 7
- 239000000470 constituent Substances 0.000 description 7
- AFABGHUZZDYHJO-UHFFFAOYSA-N dimethyl butane Natural products CCCC(C)C AFABGHUZZDYHJO-UHFFFAOYSA-N 0.000 description 7
- 239000000047 product Substances 0.000 description 7
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 5
- 229920001577 copolymer Polymers 0.000 description 5
- FEWLNYSYJNLUOO-UHFFFAOYSA-N 1-Piperidinecarboxaldehyde Chemical compound O=CN1CCCCC1 FEWLNYSYJNLUOO-UHFFFAOYSA-N 0.000 description 4
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 4
- ZHNUHDYFZUAESO-UHFFFAOYSA-N Formamide Chemical compound NC=O ZHNUHDYFZUAESO-UHFFFAOYSA-N 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 239000003230 hygroscopic agent Substances 0.000 description 4
- KWGKDLIKAYFUFQ-UHFFFAOYSA-M lithium chloride Chemical compound [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 description 4
- 239000012071 phase Substances 0.000 description 4
- 238000010408 sweeping Methods 0.000 description 4
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 3
- 239000004593 Epoxy Substances 0.000 description 3
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 239000000499 gel Substances 0.000 description 3
- 230000003993 interaction Effects 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- 239000002808 molecular sieve Substances 0.000 description 3
- 239000003345 natural gas Substances 0.000 description 3
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 3
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 2
- QGJOPFRUJISHPQ-UHFFFAOYSA-N Carbon disulfide Chemical compound S=C=S QGJOPFRUJISHPQ-UHFFFAOYSA-N 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- 239000002841 Lewis acid Substances 0.000 description 2
- 239000002879 Lewis base Substances 0.000 description 2
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 238000001879 gelation Methods 0.000 description 2
- 230000002209 hydrophobic effect Effects 0.000 description 2
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 2
- 150000007517 lewis acids Chemical class 0.000 description 2
- 150000007527 lewis bases Chemical class 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 238000000108 ultra-filtration Methods 0.000 description 2
- ICMZFZGUTLNLAJ-UHFFFAOYSA-N 2,6-dimethyl-7-oxabicyclo[4.1.0]hepta-2,4-diene Chemical compound CC1=CC=CC2(C)OC12 ICMZFZGUTLNLAJ-UHFFFAOYSA-N 0.000 description 1
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 1
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 239000004955 Trogamid T Substances 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 229920001893 acrylonitrile styrene Polymers 0.000 description 1
- 239000004760 aramid Substances 0.000 description 1
- 229920003235 aromatic polyamide Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000001110 calcium chloride Substances 0.000 description 1
- 229910001628 calcium chloride Inorganic materials 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
- 235000012255 calcium oxide Nutrition 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- JJWKPURADFRFRB-UHFFFAOYSA-N carbonyl sulfide Chemical compound O=C=S JJWKPURADFRFRB-UHFFFAOYSA-N 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000010725 compressor oil Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000113 differential scanning calorimetry Methods 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- YWEUIGNSBFLMFL-UHFFFAOYSA-N diphosphonate Chemical compound O=P(=O)OP(=O)=O YWEUIGNSBFLMFL-UHFFFAOYSA-N 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 230000008570 general process Effects 0.000 description 1
- 230000009477 glass transition Effects 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000693 micelle Substances 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- GODRGSBJTFNCPC-UHFFFAOYSA-N n'-ethylhexane-1,6-diamine Chemical compound CCNCCCCCCN GODRGSBJTFNCPC-UHFFFAOYSA-N 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- DLYUQMMRRRQYAE-UHFFFAOYSA-N phosphorus pentoxide Inorganic materials O1P(O2)(=O)OP3(=O)OP1(=O)OP2(=O)O3 DLYUQMMRRRQYAE-UHFFFAOYSA-N 0.000 description 1
- 238000012643 polycondensation polymerization Methods 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 229920006254 polymer film Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- SCUZVMOVTVSBLE-UHFFFAOYSA-N prop-2-enenitrile;styrene Chemical compound C=CC#N.C=CC1=CC=CC=C1 SCUZVMOVTVSBLE-UHFFFAOYSA-N 0.000 description 1
- 235000019260 propionic acid Nutrition 0.000 description 1
- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- ZWPWUVNMFVVHHE-UHFFFAOYSA-N terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1.OC(=O)C1=CC=C(C(O)=O)C=C1 ZWPWUVNMFVVHHE-UHFFFAOYSA-N 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000002166 wet spinning Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0081—After-treatment of organic or inorganic membranes
- B01D67/0088—Physical treatment with compounds, e.g. swelling, coating or impregnation
-
- 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
-
- 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
- B01D53/228—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 characterised by specific membranes
-
- 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
- B01D53/268—Drying gases or vapours by diffusion
-
- 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
- B01D69/02—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor characterised by their properties
-
- 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
- B01D69/08—Hollow fibre membranes
-
- 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
- B01D2325/00—Details relating to properties of membranes
- B01D2325/02—Details relating to pores or porosity of the membranes
- B01D2325/022—Asymmetric membranes
- B01D2325/0233—Asymmetric membranes with clearly distinguishable layers
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Drying Of Gases (AREA)
- Artificial Filaments (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/137,901 US4783201A (en) | 1987-12-28 | 1987-12-28 | Gas dehydration membrane apparatus |
Publications (4)
| Publication Number | Publication Date |
|---|---|
| NO885776D0 NO885776D0 (no) | 1988-12-27 |
| NO885776L NO885776L (no) | 1989-06-29 |
| NO175623B true NO175623B (de) | 1994-08-01 |
| NO175623C NO175623C (no) | 1994-11-09 |
Family
ID=22479545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO885776A NO175623C (no) | 1987-12-28 | 1988-12-27 | Fremgangsmåte og apparat for avvanning av gass, samt fremgangsmåte for å redusere porösiteten av gass-separasjonsmembraner |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US4783201A (de) |
| EP (1) | EP0323431B1 (de) |
| JP (1) | JP2571841B2 (de) |
| KR (1) | KR910000656B1 (de) |
| CN (1) | CN1028967C (de) |
| BR (1) | BR8806916A (de) |
| CA (1) | CA1314006C (de) |
| DE (1) | DE3880812T2 (de) |
| ES (1) | ES2041339T3 (de) |
| IL (1) | IL88809A (de) |
| MX (1) | MX165162B (de) |
| NO (1) | NO175623C (de) |
Families Citing this family (64)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE68915554T2 (de) * | 1988-01-26 | 1995-01-12 | Asahi Glass Co Ltd | Für Dampf permselektive Membran. |
| JPH01194927A (ja) * | 1988-01-27 | 1989-08-04 | Japan Gore Tex Inc | 水蒸気選択透過膜 |
| US4931070A (en) * | 1989-05-12 | 1990-06-05 | Union Carbide Corporation | Process and system for the production of dry, high purity nitrogen |
| US5004482A (en) * | 1989-05-12 | 1991-04-02 | Union Carbide Corporation | Production of dry, high purity nitrogen |
| JPH0312224A (ja) * | 1989-06-08 | 1991-01-21 | Japan Gore Tex Inc | 選択透過膜 |
| US4961759A (en) * | 1989-08-17 | 1990-10-09 | Separation Dynamics, Inc. | Closed loop gas dehydration process and apparatus |
| US5108464A (en) * | 1989-09-19 | 1992-04-28 | Bend Research, Inc. | Countercurrent dehydration by hollow fibers |
| US5002590A (en) * | 1989-09-19 | 1991-03-26 | Bend Research, Inc. | Countercurrent dehydration by hollow fibers |
| 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 |
| IE903864A1 (en) * | 1989-10-30 | 1991-05-08 | Permea | System and method for separating a portion of a gas from a¹mixture of gases |
| US5030251A (en) * | 1989-10-30 | 1991-07-09 | Permea, Inc. | System and method for separating a portion of a gas from a mixture of gases |
| US5034025A (en) * | 1989-12-01 | 1991-07-23 | The Dow Chemical Company | Membrane process for removing water vapor from gas |
| EP0458790B1 (de) * | 1989-12-20 | 1995-11-15 | Atlas Copco Airpower N.V. | Verfahren zur gastrocknung, insbesondere druckluft, membran zur ausführung dieses verfahrens und verfahren zur herstellung der membran |
| US5067971A (en) * | 1990-02-12 | 1991-11-26 | Union Carbide Industrial Gases Technology Corporation | Process for dehydration of gases and composite permeable membranes therefor |
| BR9100570A (pt) * | 1990-02-12 | 1991-10-29 | Union Carbide Ind Gases Tech | Processo para a desidratacao de gases e membranas composito para o mesmo |
| US5084073A (en) * | 1990-10-11 | 1992-01-28 | Union Carbide Industrial Gases Technology Corporation | Membrane drying process and system |
| US5181942A (en) * | 1990-12-13 | 1993-01-26 | The Boc Group, Inc. | Continuous method for removing oil vapor from feed gases containing water vapor |
| US5131929A (en) * | 1991-05-06 | 1992-07-21 | Permea, Inc. | Pressure control for improved gas dehydration in systems which employ membrane dryers in intermittent service |
| US5346535A (en) * | 1991-08-23 | 1994-09-13 | Engelhard Corporation | Use of crystalline molecular sieves containing charged octahedral sites in removing volatile organic compounds from a mixture of the same |
| SE502780C2 (sv) * | 1991-09-25 | 1996-01-08 | Siemens Elema Ab | Avfuktningsanordning |
| US5226932A (en) * | 1991-10-07 | 1993-07-13 | Praxair Technology, Inc. | Enhanced meambrane gas separations |
| 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 |
| 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 |
| US5405781A (en) * | 1993-09-21 | 1995-04-11 | Barringer Research Limited | Ion mobility spectrometer apparatus and method, incorporating air drying |
| US5401300A (en) * | 1993-10-25 | 1995-03-28 | Membrane Technology And Research, Inc. | Sour gas treatment process including dehydration of the gas stream |
| US5399188A (en) * | 1993-12-01 | 1995-03-21 | Gas Research Institute | Organic emissions elimination apparatus and process for same |
| US5411662A (en) * | 1994-02-25 | 1995-05-02 | Praxair Technology, Inc. | Fluid separation assembly having an purge control valve |
| US5525143A (en) * | 1994-10-17 | 1996-06-11 | Air Products And Chemicals, Inc. | Hollow fiber membrane dryer with internal sweep |
| US5500036A (en) * | 1994-10-17 | 1996-03-19 | Air Products And Chemicals, Inc. | Production of enriched oxygen gas stream utilizing hollow fiber membranes |
| US5681368A (en) * | 1995-07-05 | 1997-10-28 | Andrew Corporation | Dehumidifier system using membrane cartridge |
| GB9518798D0 (en) * | 1995-09-14 | 1995-11-15 | Secr Defence | Apparatus and method for spinning hollow polymeric fibres |
| US6117210A (en) * | 1997-04-29 | 2000-09-12 | Praxair Technology, Inc. | Solid electrolyte systems for producing controlled purity oxygen |
| CN1100589C (zh) * | 1998-04-09 | 2003-02-05 | 中国科学院大连化学物理研究所 | 一种膜法除湿分离器 |
| US6070339A (en) * | 1998-10-23 | 2000-06-06 | Westinghouse Air Brake Company | Membrane air dryer with scheme to reduce air lost as sweep air |
| US6073479A (en) * | 1998-11-13 | 2000-06-13 | General Electric Company | Dewpoint sensor |
| US6167638B1 (en) * | 1999-05-17 | 2001-01-02 | Clearwater, Inc. | Drying of grain and other particulate materials |
| DE10014792A1 (de) | 1999-06-17 | 2001-01-18 | Daimler Chrysler Ag | Vorrichtung und Verfahren zur Gastrocknung |
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-
1987
- 1987-12-28 US US07/137,901 patent/US4783201A/en not_active Expired - Lifetime
-
1988
- 1988-12-23 CA CA000587022A patent/CA1314006C/en not_active Expired - Fee Related
- 1988-12-27 CN CN88108965A patent/CN1028967C/zh not_active Expired - Fee Related
- 1988-12-27 ES ES198888870198T patent/ES2041339T3/es not_active Expired - Lifetime
- 1988-12-27 KR KR1019880017565A patent/KR910000656B1/ko not_active IP Right Cessation
- 1988-12-27 IL IL88809A patent/IL88809A/xx not_active IP Right Cessation
- 1988-12-27 BR BR888806916A patent/BR8806916A/pt not_active Application Discontinuation
- 1988-12-27 JP JP63330736A patent/JP2571841B2/ja not_active Expired - Lifetime
- 1988-12-27 NO NO885776A patent/NO175623C/no unknown
- 1988-12-27 EP EP88870198A patent/EP0323431B1/de not_active Expired - Lifetime
- 1988-12-27 DE DE8888870198T patent/DE3880812T2/de not_active Expired - Fee Related
- 1988-12-27 MX MX14359A patent/MX165162B/es unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE3880812T2 (de) | 1993-08-12 |
| NO885776L (no) | 1989-06-29 |
| US4783201A (en) | 1988-11-08 |
| NO175623C (no) | 1994-11-09 |
| EP0323431A3 (en) | 1989-11-23 |
| IL88809A0 (en) | 1989-07-31 |
| CN1034491A (zh) | 1989-08-09 |
| DE3880812D1 (de) | 1993-06-09 |
| NO885776D0 (no) | 1988-12-27 |
| EP0323431A2 (de) | 1989-07-05 |
| KR910000656B1 (ko) | 1991-01-31 |
| JPH024419A (ja) | 1990-01-09 |
| JP2571841B2 (ja) | 1997-01-16 |
| MX165162B (es) | 1992-10-29 |
| KR890009442A (ko) | 1989-08-02 |
| CN1028967C (zh) | 1995-06-21 |
| IL88809A (en) | 1993-05-13 |
| ES2041339T3 (es) | 1993-11-16 |
| EP0323431B1 (de) | 1993-05-05 |
| BR8806916A (pt) | 1989-08-29 |
| CA1314006C (en) | 1993-03-02 |
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