KR20210005010A - 탄소 분자체 막의 향상된 제조 방법 - Google Patents
탄소 분자체 막의 향상된 제조 방법 Download PDFInfo
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- KR20210005010A KR20210005010A KR1020207030315A KR20207030315A KR20210005010A KR 20210005010 A KR20210005010 A KR 20210005010A KR 1020207030315 A KR1020207030315 A KR 1020207030315A KR 20207030315 A KR20207030315 A KR 20207030315A KR 20210005010 A KR20210005010 A KR 20210005010A
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- 239000012528 membrane Substances 0.000 title claims abstract description 72
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 29
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 29
- 239000002808 molecular sieve Substances 0.000 title claims abstract description 25
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 title claims abstract description 25
- 238000004519 manufacturing process Methods 0.000 title abstract description 4
- 238000000197 pyrolysis Methods 0.000 claims abstract description 38
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000001257 hydrogen Substances 0.000 claims abstract description 25
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 25
- 229920000642 polymer Polymers 0.000 claims abstract description 25
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000002243 precursor Substances 0.000 claims abstract description 21
- 239000004642 Polyimide Substances 0.000 claims abstract description 18
- 229920001721 polyimide Polymers 0.000 claims abstract description 18
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 17
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 8
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000001294 propane Substances 0.000 claims abstract description 5
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 3
- 125000000383 tetramethylene group Chemical group [H]C([H])([*:1])C([H])([H])C([H])([H])C([H])([H])[*:2] 0.000 claims abstract description 3
- 239000007789 gas Substances 0.000 claims description 70
- 238000000034 method Methods 0.000 claims description 43
- 238000003303 reheating Methods 0.000 claims description 30
- 238000001816 cooling Methods 0.000 claims description 21
- 238000010438 heat treatment Methods 0.000 claims description 12
- 239000011261 inert gas Substances 0.000 claims description 11
- 239000003570 air Substances 0.000 claims description 10
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 10
- 239000001301 oxygen Substances 0.000 claims description 10
- 229910052760 oxygen Inorganic materials 0.000 claims description 10
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 8
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- 239000012530 fluid Substances 0.000 claims description 7
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- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 claims description 5
- 230000003068 static effect Effects 0.000 claims description 4
- 239000001273 butane Substances 0.000 claims description 2
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 claims description 2
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 claims description 2
- -1 ethylene, propylene, butane Chemical class 0.000 abstract description 3
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 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 3
- 230000000052 comparative effect Effects 0.000 description 3
- 238000005336 cracking Methods 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- 239000012704 polymeric precursor Substances 0.000 description 3
- 239000010453 quartz Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 238000011144 upstream manufacturing Methods 0.000 description 3
- 238000007158 vacuum pyrolysis Methods 0.000 description 3
- WZCQRUWWHSTZEM-UHFFFAOYSA-N 1,3-phenylenediamine Chemical compound NC1=CC=CC(N)=C1 WZCQRUWWHSTZEM-UHFFFAOYSA-N 0.000 description 2
- VLDPXPPHXDGHEW-UHFFFAOYSA-N 1-chloro-2-dichlorophosphoryloxybenzene Chemical compound ClC1=CC=CC=C1OP(Cl)(Cl)=O VLDPXPPHXDGHEW-UHFFFAOYSA-N 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 2
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- ZUOUZKKEUPVFJK-UHFFFAOYSA-N diphenyl Chemical compound C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 2
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- SQNZJJAZBFDUTD-UHFFFAOYSA-N durene Chemical compound CC1=CC(C)=C(C)C=C1C SQNZJJAZBFDUTD-UHFFFAOYSA-N 0.000 description 2
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- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
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- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 2
- 229920003223 poly(pyromellitimide-1,4-diphenyl ether) Polymers 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 238000004227 thermal cracking Methods 0.000 description 2
- 238000002166 wet spinning Methods 0.000 description 2
- RHBKJVRQCIRZGE-UHFFFAOYSA-N 2,3,3-trimethyl-1,2-dihydroindene Chemical compound C1=CC=C2C(C)(C)C(C)CC2=C1 RHBKJVRQCIRZGE-UHFFFAOYSA-N 0.000 description 1
- ZVDSMYGTJDFNHN-UHFFFAOYSA-N 2,4,6-trimethylbenzene-1,3-diamine Chemical compound CC1=CC(C)=C(N)C(C)=C1N ZVDSMYGTJDFNHN-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
- VQVIHDPBMFABCQ-UHFFFAOYSA-N 5-(1,3-dioxo-2-benzofuran-5-carbonyl)-2-benzofuran-1,3-dione Chemical compound C1=C2C(=O)OC(=O)C2=CC(C(C=2C=C3C(=O)OC(=O)C3=CC=2)=O)=C1 VQVIHDPBMFABCQ-UHFFFAOYSA-N 0.000 description 1
- MBJAPGAZEWPEFB-UHFFFAOYSA-N 5-amino-2-(4-amino-2-sulfophenyl)benzenesulfonic acid Chemical compound OS(=O)(=O)C1=CC(N)=CC=C1C1=CC=C(N)C=C1S(O)(=O)=O MBJAPGAZEWPEFB-UHFFFAOYSA-N 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- RWCCWEUUXYIKHB-UHFFFAOYSA-N benzophenone Chemical compound C=1C=CC=CC=1C(=O)C1=CC=CC=C1 RWCCWEUUXYIKHB-UHFFFAOYSA-N 0.000 description 1
- 239000012965 benzophenone Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004305 biphenyl Substances 0.000 description 1
- 235000010290 biphenyl Nutrition 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 238000010000 carbonizing Methods 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 230000008859 change Effects 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
- 150000001875 compounds Chemical class 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 238000004320 controlled atmosphere Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000006356 dehydrogenation reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 125000000219 ethylidene group Chemical group [H]C(=[*])C([H])([H])[H] 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 230000009477 glass transition Effects 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- YTVNOVQHSGMMOV-UHFFFAOYSA-N naphthalenetetracarboxylic dianhydride Chemical compound C1=CC(C(=O)OC2=O)=C3C2=CC=C2C(=O)OC(=O)C1=C32 YTVNOVQHSGMMOV-UHFFFAOYSA-N 0.000 description 1
- 229910052756 noble gas Inorganic materials 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 239000012465 retentate Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical compound FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
Classifications
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- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0039—Inorganic membrane manufacture
- B01D67/0067—Inorganic membrane manufacture by carbonisation or pyrolysis
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- 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
-
- 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
- B01D67/0083—Thermal after-treatment
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/02—Inorganic material
- B01D71/021—Carbon
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- B01D71/02—Inorganic material
- B01D71/028—Molecular sieves
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
- C01B3/50—Separation of hydrogen or hydrogen containing gases from gaseous mixtures, e.g. purification
- C01B3/508—Separation of hydrogen or hydrogen containing gases from gaseous mixtures, e.g. purification by selective and reversible uptake by an appropriate medium, i.e. the uptake being based on physical or chemical sorption phenomena or on reversible chemical reactions
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C7/00—Purification; Separation; Use of additives
- C07C7/144—Purification; Separation; Use of additives using membranes, e.g. selective permeation
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- 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
- B01D2053/221—Devices
- B01D2053/223—Devices with hollow tubes
- B01D2053/224—Devices with hollow tubes with hollow fibres
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- 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
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- 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
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Organic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- General Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Water Supply & Treatment (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
Description
Claims (15)
- 탄소 분자체 막을 제조하는 방법으로서,
(i) 전구체 중합체를 제공하는 단계;
(ii) 상기 전구체 중합체를 열분해 온도까지 가열하며, 이 열분해 온도에서 이러한 전구체 중합체는 열분해되어 탄소 분자체 막을 형성하는 단계;
(iii) 상기 탄소 분자체 막을 50℃ 이하의 냉각 온도까지 냉각시키는 단계; 및
(iv) 냉각 후, 상기 탄소 분자체 막을 재가열 분위기 하에 적어도 60℃ 내지 최대 200℃의 재가열 온도까지 30분 내지 500시간의 재가열 시간 동안 가열하는 단계, 그 후에
(v) 50℃ 미만까지 다시 냉각시키는 단계를 포함한다. - 제1항에 있어서, 상기 재가열 온도는 90℃ 내지 200℃인, 방법.
- 제1항 또는 제2항에 있어서, 상기 재가열 시간은 1시간 내지 25시간인, 방법.
- 제1항 내지 제3항 중 어느 한 항에 있어서, 상기 냉각 온도는 20℃ 내지 30℃인, 방법.
- 제1항 내지 제4항 중 어느 한 항에 있어서, 상기 재가열 분위기는 불활성 가스, 질소, 공기 또는 이들의 혼합물인, 방법.
- 제1항 내지 제5항 중 어느 한 항에 있어서, 상기 재가열 분위기는 적어도 일부의 재가열 시간 동안 정적인, 방법.
- 제1항 내지 제6항 중 어느 한 항에 있어서, 상기 재가열 분위기는 유동성인, 방법.
- 제1항 내지 제7항 중 어느 한 항에 있어서, 상기 재가열 분위기는 대기압이거나 그보다 높은, 방법.
- 제1항 내지 제7항 중 어느 한 항에 있어서, 상기 재가열 분위기는 대기압보다 높은 압력인, 방법.
- 제1항 내지 제9항 중 어느 한 항에 있어서, 재가열 동안 탄소 분자체 막을 통해 상기 재가열 분위기가 얻어지도록(drawn) 상기 탄소 분자체 막을 가로질러 압력차가 존재하는, 방법.
- 제11항에 있어서, 상기 압력차는 제곱 인치 당 1 내지 100 파운드인, 방법.
- 제1항 내지 제11항 중 어느 한 항에 있어서, 상기 전구체 중합체는 폴리이미드인, 방법.
- 수소 및 적어도 하나의 다른 가스 분자로 이루어진 가스 공급물에서 수소를 분리하는 방법으로서, 상기 방법은
(i) 상기 청구항 중 임의의 하나에 의해 제조된 탄소 분자체 막을 제공하는 단계; 및
(ii) 상기 탄소 분자체 막을 통해 가스 공급물을 유동시켜, 증가된 농도의 수소를 갖는 제1 스트림 및 증가된 농도의 다른 가스 분자를 갖는 제2 스트림을 생성하는 단계를 포함한다. - 제13항에 있어서, 상기 다른 가스 분자는 하기 중 적어도 하나로 이루어진 것인, 방법: 에틸렌, 에탄, 프로필렌, 프로판, 산소, 질소, 이산화탄소, 메탄, 부탄 또는 부틸렌.
- 제14항에 있어서, 상기 다른 가스 분자는 에틸렌, 에탄, 프로필렌 또는 프로판 중 적어도 하나로 이루어진 것인, 방법.
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US201862665849P | 2018-05-02 | 2018-05-02 | |
US62/665,849 | 2018-05-02 | ||
PCT/US2019/022848 WO2019212647A1 (en) | 2018-05-02 | 2019-04-03 | Improved method of making carbon molecular sieve membranes |
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US (1) | US11420154B2 (ko) |
EP (1) | EP3787782B1 (ko) |
KR (1) | KR102719972B1 (ko) |
CN (1) | CN111954569B (ko) |
BR (1) | BR112020021174A2 (ko) |
CA (1) | CA3097831A1 (ko) |
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WO2020142207A1 (en) * | 2018-12-31 | 2020-07-09 | Exxonmobil Research And Engineering Company | Reactive inhibition of pore structure collapse during pyrolytic formation of carbon molecular sieves |
WO2024155660A1 (en) * | 2023-01-20 | 2024-07-25 | Dow Global Technologies Llc | Reverse selective carbon membranes and methods of making the same |
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EP3787782A1 (en) | 2021-03-10 |
US11420154B2 (en) | 2022-08-23 |
BR112020021174A2 (pt) | 2021-01-19 |
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WO2019212647A4 (en) | 2019-12-26 |
CA3097831A1 (en) | 2019-11-07 |
US20210229030A1 (en) | 2021-07-29 |
KR102719972B1 (ko) | 2024-10-24 |
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