KR100252555B1 - 스테이지 전해질 막 - Google Patents
스테이지 전해질 막 Download PDFInfo
- Publication number
- KR100252555B1 KR100252555B1 KR1019960007651A KR19960007651A KR100252555B1 KR 100252555 B1 KR100252555 B1 KR 100252555B1 KR 1019960007651 A KR1019960007651 A KR 1019960007651A KR 19960007651 A KR19960007651 A KR 19960007651A KR 100252555 B1 KR100252555 B1 KR 100252555B1
- Authority
- KR
- South Korea
- Prior art keywords
- oxygen
- stage
- gas
- voltage
- chamber
- Prior art date
Links
- 239000012528 membrane Substances 0.000 title claims abstract description 74
- 239000003792 electrolyte Substances 0.000 title claims abstract description 31
- 239000001301 oxygen Substances 0.000 claims abstract description 182
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 182
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 170
- 238000000034 method Methods 0.000 claims abstract description 122
- 239000007789 gas Substances 0.000 claims abstract description 113
- 230000008569 process Effects 0.000 claims abstract description 108
- 239000012466 permeate Substances 0.000 claims abstract description 18
- 239000000463 material Substances 0.000 claims description 19
- 238000000926 separation method Methods 0.000 claims description 15
- 239000000203 mixture Substances 0.000 claims description 8
- 239000007784 solid electrolyte Substances 0.000 abstract description 18
- 239000000047 product Substances 0.000 description 30
- 239000010408 film Substances 0.000 description 21
- -1 oxygen ion Chemical class 0.000 description 12
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 230000008901 benefit Effects 0.000 description 6
- 230000007423 decrease Effects 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000010416 ion conductor Substances 0.000 description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 4
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- 239000010409 thin film Substances 0.000 description 4
- 238000005406 washing Methods 0.000 description 4
- 239000013078 crystal Substances 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical group [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 239000007772 electrode material Substances 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 229910052809 inorganic oxide Inorganic materials 0.000 description 2
- 239000011533 mixed conductor Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000005215 recombination Methods 0.000 description 2
- 230000006798 recombination Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 229910052712 strontium Inorganic materials 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 229910052727 yttrium Inorganic materials 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 229910052684 Cerium Inorganic materials 0.000 description 1
- QBYHSJRFOXINMH-UHFFFAOYSA-N [Co].[Sr].[La] Chemical compound [Co].[Sr].[La] QBYHSJRFOXINMH-UHFFFAOYSA-N 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910000416 bismuth oxide Inorganic materials 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 238000010960 commercial process Methods 0.000 description 1
- 230000006735 deficit Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- TYIXMATWDRGMPF-UHFFFAOYSA-N dibismuth;oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Bi+3].[Bi+3] TYIXMATWDRGMPF-UHFFFAOYSA-N 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 239000002019 doping agent Substances 0.000 description 1
- 238000011143 downstream manufacturing Methods 0.000 description 1
- 239000002001 electrolyte material Substances 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000012510 hollow fiber Substances 0.000 description 1
- 230000037427 ion transport Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910052746 lanthanum Inorganic materials 0.000 description 1
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000002000 scavenging effect Effects 0.000 description 1
- 229910002076 stabilized zirconia Inorganic materials 0.000 description 1
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
- 229910001233 yttria-stabilized zirconia Inorganic materials 0.000 description 1
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B1/00—Electrolytic production of inorganic compounds or non-metals
- C25B1/01—Products
- C25B1/02—Hydrogen or oxygen
-
- 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
- B01D53/32—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 electrical effects other than those provided for in group B01D61/00
- B01D53/326—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 electrical effects other than those provided for in group B01D61/00 in electrochemical cells
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B13/00—Oxygen; Ozone; Oxides or hydroxides in general
- C01B13/02—Preparation of oxygen
- C01B13/0229—Purification or separation processes
- C01B13/0248—Physical processing only
- C01B13/0251—Physical processing only by making use of membranes
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2210/00—Purification or separation of specific gases
- C01B2210/0043—Impurity removed
- C01B2210/0046—Nitrogen
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Electrochemistry (AREA)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Oxygen, Ozone, And Oxides In General (AREA)
Abstract
Description
Claims (10)
- 산소가 풍부한 투과 가스 및 산소가 고갈된 잔류 가스를 제조하기 위하여 산소 및 적어도 하나의 다른 가스의 혼합물을 포함하는 공급 가스 스트림으로부터 산소를 분리하는 방법에 있어서,직렬공급 관계로 배치된 적어도 2개의 공정 스테이지중 제1공정 스테이지의 제1 가스챔버에 공급 가스를 유입하는 단계를 포함하는데, 상기 제1챔버는 제1전해질 막에 의해 제2가스 챔버로부터 분리되고;제1챔버로부터 산소가 고갈된 잔류 가스 및 제2챔버로부터 산소가 풍부한 투과 가스를 얻기 위하여 제1막을 통하여 제1산소 흐름율을 선택하고, 상기 제1흐름율에서 산소를 구동하도록 제1막 양단에 제1전류 및 제1전압을 제공하는 단계;제1공정 스테이지로부터의 산소가 고갈된 잔류 가스를 제2공정 스테이지의 제3가스 챔버로 전달하는 단계를 포함하는데, 상기 제3챔버는 제2전해질 막에 의해 제4가스 챔버로부터 분리되며; 및제3챔버로부터는 산소가 고갈된 잔류 가스 및 제4챔버로부터는 산소가 풍부한 투과 가스를 얻기 위하여 제2막을 통하여 제2산소 흐름율을 선택하고 상기 제2흐름율에서 산소를 구동하도록 제2막 양단에 제2전류 및 제2전압을 제공하는 단계를 포함하고, 상기 제2전류는 제1전류보다 적고 제2전압은 제1전압보다 큰 것을 특징으로 하는 산소 분리 방법.
- 제1항에 있어서, 상기 산소 분리 방법은 6개 이하의 스테이지가 사용되는 것을 특징으로 하는 산소 분리 방법.
- 제1항에 있어서, 상기 제2전압은 상기 제1전압보다 적어도 10% 크고, 양쪽 전압은 너스트 방정식에 따라서 계산되는 것을 특징으로 하는 산소 분리 방법.
- 제1항에 있어서, 상기 제2스테이지는 상기 제1스테이지에 연속하는 적어도 2개의 스테이지중 하나이고, 각각의 연속하는 스테이지는 선행 스테이지의 전압보다 적어도 10% 큰 전압을 이용하고, 모든 전압은 너스트 방정식에 따라서 계산되는 것을 특징으로 하는 산소 분리 방법.
- 제4항에 있어서, 상기 각각 연속하는 스테이지는 선행 스테이지의 전류보다 적은 전류를 이용하는 것을 특징으로 하는 산소 분리 방법.
- 제1항에 있어서, 상기 스테이지중 적어도 하나는 적어도 2개의 모듈을 갖고, 각각의 모듈은 전해질 막을 포함하는 것을 특징으로 하는 산소 분리 방법.
- 제6항에 있어서, 상기 스테이지 내의 상기 모듈은 서로 전기적으로 직렬로 접속되고 병렬 공급 장치와 접속되는 것을 특징으로 하는 산소 분리 방법.
- 제6항에 있어서, 상기 스테이지 내의 상기 모듈은 서로 전기적으로 직렬로 접속되고 직렬 공급 장치와 접속되는 것을 특징으로 하는 산소 분리 방법.
- 제1항에 있어서, 상기 스테이지중 하나의 상기 전해질 막은 다른 스테이지의 막에 제공되는 재료와 다른 재료로 구성되는 것을 특징으로 하는 산소 분리 방법.
- 제5항에 있어서, 상기 각각 연속하는 스테이지에 의해 소비되는 전력은 선행하는 스테이지에 의해 소비되는 전력의 50% 이하인 것을 특징으로 하는 산소 분리 방법.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/408,857 | 1995-03-22 | ||
US08/408,857 US5547494A (en) | 1995-03-22 | 1995-03-22 | Staged electrolyte membrane |
US8/408,857 | 1995-03-22 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR960034466A KR960034466A (ko) | 1996-10-22 |
KR100252555B1 true KR100252555B1 (ko) | 2000-04-15 |
Family
ID=23618060
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019960007651A KR100252555B1 (ko) | 1995-03-22 | 1996-03-21 | 스테이지 전해질 막 |
Country Status (7)
Country | Link |
---|---|
US (1) | US5547494A (ko) |
EP (1) | EP0733397A3 (ko) |
JP (1) | JPH08266852A (ko) |
KR (1) | KR100252555B1 (ko) |
CN (1) | CN1141207A (ko) |
BR (1) | BR9601080A (ko) |
CA (1) | CA2172323C (ko) |
Families Citing this family (61)
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NL1003042C2 (nl) * | 1996-05-06 | 1997-11-07 | Stichting Energie | Werkwijze voor het bepalen van het debiet van reactanten in elke cel van een electrochemische celstapeling. |
US5938822A (en) * | 1997-05-02 | 1999-08-17 | Praxair Technology, Inc. | Solid electrolyte membrane with porous catalytically-enhancing constituents |
US6117210A (en) * | 1997-04-29 | 2000-09-12 | Praxair Technology, Inc. | Solid electrolyte systems for producing controlled purity oxygen |
US5820654A (en) * | 1997-04-29 | 1998-10-13 | Praxair Technology, Inc. | Integrated solid electrolyte ionic conductor separator-cooler |
US5820655A (en) * | 1997-04-29 | 1998-10-13 | Praxair Technology, Inc. | Solid Electrolyte ionic conductor reactor design |
US5888272A (en) * | 1997-06-05 | 1999-03-30 | Praxair Technology, Inc. | Process for enriched combustion using solid electrolyte ionic conductor systems |
US6149714A (en) * | 1997-06-05 | 2000-11-21 | Praxair Technology, Inc. | Process for enriched combustion using solid electrolyte ionic conductor systems |
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- 1996-03-21 BR BR9601080A patent/BR9601080A/pt not_active Application Discontinuation
- 1996-03-21 CA CA002172323A patent/CA2172323C/en not_active Expired - Fee Related
- 1996-03-21 JP JP8089960A patent/JPH08266852A/ja active Pending
- 1996-03-21 EP EP96104532A patent/EP0733397A3/en not_active Withdrawn
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- 1996-03-21 KR KR1019960007651A patent/KR100252555B1/ko not_active IP Right Cessation
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US5547494A (en) | 1996-08-20 |
EP0733397A2 (en) | 1996-09-25 |
CA2172323C (en) | 2000-05-16 |
JPH08266852A (ja) | 1996-10-15 |
CN1141207A (zh) | 1997-01-29 |
CA2172323A1 (en) | 1996-09-23 |
EP0733397A3 (en) | 1996-12-11 |
BR9601080A (pt) | 1998-01-06 |
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