KR20030007458A - 이온 전도성 세라믹 막 및 표면처리 방법 - Google Patents
이온 전도성 세라믹 막 및 표면처리 방법 Download PDFInfo
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- KR20030007458A KR20030007458A KR1020027011912A KR20027011912A KR20030007458A KR 20030007458 A KR20030007458 A KR 20030007458A KR 1020027011912 A KR1020027011912 A KR 1020027011912A KR 20027011912 A KR20027011912 A KR 20027011912A KR 20030007458 A KR20030007458 A KR 20030007458A
- Authority
- KR
- South Korea
- Prior art keywords
- ceramic membrane
- gas
- conductive ceramic
- ion conductive
- treated
- Prior art date
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- 239000012528 membrane Substances 0.000 title claims abstract description 82
- 239000000919 ceramic Substances 0.000 title claims abstract description 45
- 238000004381 surface treatment Methods 0.000 title abstract description 8
- 150000002500 ions Chemical class 0.000 claims abstract description 43
- 239000007789 gas Substances 0.000 claims abstract description 41
- 239000000463 material Substances 0.000 claims abstract description 28
- 238000000034 method Methods 0.000 claims abstract description 25
- 239000001301 oxygen Substances 0.000 claims abstract description 24
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 24
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 20
- 238000003486 chemical etching Methods 0.000 claims abstract description 9
- 238000010849 ion bombardment Methods 0.000 claims abstract description 6
- 238000005488 sandblasting Methods 0.000 claims abstract description 6
- 230000035699 permeability Effects 0.000 claims abstract description 5
- 239000000203 mixture Substances 0.000 claims description 16
- 238000011282 treatment Methods 0.000 claims description 12
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 229910052804 chromium Inorganic materials 0.000 claims description 4
- 229910052746 lanthanum Inorganic materials 0.000 claims description 4
- 229910052712 strontium Inorganic materials 0.000 claims description 4
- 229910052684 Cerium Inorganic materials 0.000 claims description 3
- 229910052692 Dysprosium Inorganic materials 0.000 claims description 3
- 229910052691 Erbium Inorganic materials 0.000 claims description 3
- 229910052693 Europium Inorganic materials 0.000 claims description 3
- 229910052688 Gadolinium Inorganic materials 0.000 claims description 3
- 229910052689 Holmium Inorganic materials 0.000 claims description 3
- 229910052779 Neodymium Inorganic materials 0.000 claims description 3
- 229910052777 Praseodymium Inorganic materials 0.000 claims description 3
- 229910052772 Samarium Inorganic materials 0.000 claims description 3
- 229910052775 Thulium Inorganic materials 0.000 claims description 3
- 229910052788 barium Inorganic materials 0.000 claims description 3
- 229910052791 calcium Inorganic materials 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 229910052747 lanthanoid Inorganic materials 0.000 claims description 3
- 150000002602 lanthanoids Chemical class 0.000 claims description 3
- 229910052748 manganese Inorganic materials 0.000 claims description 3
- 229910052759 nickel Inorganic materials 0.000 claims description 3
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 3
- 150000002910 rare earth metals Chemical class 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 229910052720 vanadium Inorganic materials 0.000 claims description 3
- 229910052727 yttrium Inorganic materials 0.000 claims description 3
- QQINRWTZWGJFDB-UHFFFAOYSA-N actinium atom Chemical group [Ac] QQINRWTZWGJFDB-UHFFFAOYSA-N 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims description 2
- 238000005259 measurement Methods 0.000 claims 2
- 239000010408 film Substances 0.000 description 24
- 239000012071 phase Substances 0.000 description 9
- 238000000576 coating method Methods 0.000 description 8
- 230000037427 ion transport Effects 0.000 description 8
- 239000007790 solid phase Substances 0.000 description 7
- 230000032258 transport Effects 0.000 description 7
- 239000011248 coating agent Substances 0.000 description 6
- 239000012535 impurity Substances 0.000 description 5
- -1 oxygen ion Chemical class 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- 239000002253 acid Substances 0.000 description 4
- 238000010494 dissociation reaction Methods 0.000 description 4
- 230000005593 dissociations Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 150000002739 metals Chemical class 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000005530 etching Methods 0.000 description 3
- 229910044991 metal oxide Inorganic materials 0.000 description 3
- 150000004706 metal oxides Chemical class 0.000 description 3
- 239000012466 permeate Substances 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000007792 addition Methods 0.000 description 2
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 2
- 230000002051 biphasic effect Effects 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 238000000635 electron micrograph Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000011533 mixed conductor Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 229910052768 actinide Inorganic materials 0.000 description 1
- 150000001255 actinides Chemical class 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 239000002800 charge carrier Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000002285 corn oil Substances 0.000 description 1
- 235000005687 corn oil Nutrition 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000009718 spray deposition Methods 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 238000006557 surface reaction Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-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
- C25B13/00—Diaphragms; Spacing elements
-
- 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
- B01D53/32—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
-
- 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
- B01D67/0093—Chemical modification
-
- 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
-
- 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
- B01D71/02—Inorganic material
- B01D71/024—Oxides
- B01D71/0271—Perovskites
-
- 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
- C01B13/0255—Physical processing only by making use of membranes characterised by the type of membrane
-
- 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
- B01D2257/104—Oxygen
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/26—Electrical properties
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Manufacturing & Machinery (AREA)
- Metallurgy (AREA)
- Electrochemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Oxygen, Ozone, And Oxides In General (AREA)
Abstract
Description
Claims (13)
- 세라믹 막을 형성하고 이를 통해 기체 이온이 이동하는 물질체를 포함하고;상기 물질체는 상기 기체의 해리 및 이온화가 일어나고, 상기 기체 이온이 전자를 방출하고 재결합하여 상기 기체의 분자를 형성하는 각각 두 개의 대립되는 표면을 갖고 있으며; 그리고상기 두 개의 대립되는 표면 중 최소한 하나는 표면 물질을 제거함으로써 증가된 면적의 표면 불규칙성을 형성시키고, 그럼으로써 처리된 표면의 전체 표면적을 증가시켜, 상기 세라믹 막을 통한 기체의 투과를 향상시키도록 처리된 것을 특징으로 하는 선택된 기체에 대하여 선택적으로 투과성이 있는 이온 전도성 세라믹 막.
- 제1항에 있어서, 상기 두 개의 대립되는 면은 양쪽 모두 처리되는 것을 특징으로 하는 이온 전도성 세라믹 막.
- 제1항에 있어서, 상기 선택된 기체는 산소인 것을 특징으로 하는 이온 전도성 세라믹 막.
- 제1항에 있어서, 상기 두 개의 대립되는 면 사이의 측정 두께는 1.0 mm이하인 것을 특징으로 하는 이온 전도성 세라믹 막.
- 제1항에 있어서, 상기 두 개의 대립되는 면 사이의 측정 두께는 0.5 mm이하인 것을 특징으로 하는 이온 전도성 세라믹 막.
- 제1항에 있어서, 상기 물질은 하기의 일반식을 갖는 페롭스카이트 구조를 포함하는 것을 특징으로 하는 이온 전도성 세라믹 막.[A1-xA'x][Co1-y-zByB'z]O3-d상기 식에서 A는 Ⅱ족 금속인 Ca, Sr, Ba 또는 이들의 혼합물; A'는 희토류 금속 및 란탄족 또는 악티늄족인 La, Y, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Td, Dy, Ho, Er, Tm, 또는 U, 또는 이들의 혼합물; B는 Mn, Cr, V, 또는 Ti, 또는 이들의 혼합물; B'는 Cu 또는 Ni 또는 이들의 혼합물; x는 0.00001 내지 0.9; y는 0.001 내지 0.9; z는 0 내지 0.8이고; 그리고 d는 다른 금속과의 원자가에 의하여 결정되고,상기 입방정 페롭스카이트상은 공기중 약 25 내지 1000 ℃의 온도범위에서 실질적으로 안정함.
- 제6항에 있어서, 상기 두 개의 대립되는 면은 양쪽 모두 처리되는 것을 특징으로 하는 이온 전도성 세라믹 막.
- 제7항에 있어서, 상기 두 개의 대립되는 면 사이의 측정 두께는 1.0 mm 이하인 것을 특징으로 하는 이온 전도성 세라믹 막.
- 제7항에 있어서, 상기 두 개의 대립되는 면 사이의 측정 두께는 0.5 mm 이하인 것을 특징으로 하는 이온 전도성 세라믹 막.
- 선택된 기체에 대하여 선택적으로 투과성이 있는 이온 전도성 세라믹 막을 처리하여 상기 기체에 대한 투과성을 향상시키는 방법으로서, 상기 세라믹 막은 각각 상기 기체의 해리 및 이온화가 일어나고, 상기 기체 이온이 전자를 방출하고 재결합하여 상기 기체의 분자를 형성하는 두 개의 대립되는 표면을 갖고 있으며, 상기 방법은 상기 세라믹 막의 두 개의 대립된 표면 중 최소한 하나의 면으로부터 표면 물질을 제거하여 증가된 표면적의 표면 불규칙성을 야기하고, 그럼으로써 처리된 표면의 전체 표면적을 증가시키는 것으로 이루어지는 것을 특징으로 하는 이온 전도성 세라믹 막의 처리 방법.
- 제10항에 있어서, 상기 표면 물질은 화학적 에칭, 모래 분사 또는 이온 충격에 의해 제거되는 것을 특징으로 하는 이온 전도성 세라믹 막의 처리 방법.
- 제10항에 있어서, 상기 표면 물질은 두 개의 표면 중 최소한 하나를 약 10 몰 퍼센트 내지 약 50 몰 퍼센트의 농도를 갖는 HNO3수용액에 약 15 분 내지 24 시간 동안 방치한 다음, 공기중 약 600 ℃ 내지 900 ℃의 온도범위에서 약 10 분 내지 약 30 분 동안 가열 냉각하여 제거되는 것을 특징으로 하는 이온 전도성 세라믹 막의 처리 방법.
- 제10항에 있어서, 상기 두 개의 면은 양쪽 모두 처리되는 것을 특징으로 하는 이온 전도성 세라믹 막의 처리 방법.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/532,123 | 2000-03-21 | ||
US09/532,123 US6264811B1 (en) | 2000-03-21 | 2000-03-21 | Ion conducting ceramic membrane and surface treatment |
Publications (1)
Publication Number | Publication Date |
---|---|
KR20030007458A true KR20030007458A (ko) | 2003-01-23 |
Family
ID=24120457
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020027011912A KR20030007458A (ko) | 2000-03-21 | 2001-03-15 | 이온 전도성 세라믹 막 및 표면처리 방법 |
Country Status (12)
Country | Link |
---|---|
US (1) | US6264811B1 (ko) |
EP (1) | EP1266049A1 (ko) |
JP (1) | JP3746236B2 (ko) |
KR (1) | KR20030007458A (ko) |
CN (1) | CN1222640C (ko) |
AU (2) | AU4746601A (ko) |
BR (1) | BR0109402A (ko) |
CA (1) | CA2403459A1 (ko) |
MX (1) | MXPA02009169A (ko) |
MY (1) | MY133763A (ko) |
WO (1) | WO2001071064A1 (ko) |
ZA (1) | ZA200207486B (ko) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NO312342B1 (no) * | 1998-05-20 | 2002-04-29 | Norsk Hydro As | En tett enfase membran med bade hoy ionisk og hoy elektronisk ledningsevne og anvendelse derav |
US6514314B2 (en) * | 2000-12-04 | 2003-02-04 | Praxair Technology, Inc. | Ceramic membrane structure and oxygen separation method |
US7125528B2 (en) * | 2002-05-24 | 2006-10-24 | Bp Corporation North America Inc. | Membrane systems containing an oxygen transport membrane and catalyst |
US7122072B2 (en) * | 2003-11-17 | 2006-10-17 | Air Products And Chemicals, Inc. | Controlled heating and cooling of mixed conducting metal oxide materials |
WO2007118237A2 (en) * | 2006-04-07 | 2007-10-18 | President And Fellows Of Harvard College | Nano-scale gas separation device utilizing thin film structures for hydrogen production |
FR2922047A1 (fr) * | 2007-10-09 | 2009-04-10 | Commissariat Energie Atomique | Procede de texturation de l'electrolyte d'une pile a combustible |
CN104203377B (zh) * | 2012-03-30 | 2016-10-26 | 日本碍子株式会社 | 蜂窝形状陶瓷多孔体、其制造方法及蜂窝形状陶瓷分离膜结构体 |
CN105214510B (zh) * | 2014-04-15 | 2017-05-03 | 纳米新能源(唐山)有限责任公司 | 基于摩擦发电的pm2.5滤膜及其制备方法 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
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CH608957A5 (ko) | 1977-02-25 | 1979-02-15 | Leuthard Paul E | |
US4272353A (en) * | 1980-02-29 | 1981-06-09 | General Electric Company | Method of making solid polymer electrolyte catalytic electrodes and electrodes made thereby |
JPS6016518B2 (ja) * | 1980-07-31 | 1985-04-25 | 旭硝子株式会社 | イオン交換膜電解槽 |
US4791079A (en) | 1986-06-09 | 1988-12-13 | Arco Chemical Company | Ceramic membrane for hydrocarbon conversion |
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DE4241150C1 (de) * | 1992-12-07 | 1994-06-01 | Fraunhofer Ges Forschung | Elektrodenmembran-Verbund, Verfahren zu dessen Herstellung sowie dessen Verwendung |
AU706663B2 (en) * | 1994-09-23 | 1999-06-17 | Standard Oil Company, The | Oxygen permeable mixed conductor membranes |
KR100275822B1 (ko) | 1995-05-18 | 2000-12-15 | 조안 엠. 젤사 | 압력 구동식 고체전해질 막을 통한 가스분리방법(pressure driven solid electrolyte membrane gas separation method) |
US5709732A (en) | 1996-04-02 | 1998-01-20 | Praxair Technology, Inc. | Advanced membrane system for separating gaseous mixtures |
US5938822A (en) | 1997-05-02 | 1999-08-17 | Praxair Technology, Inc. | Solid electrolyte membrane with porous catalytically-enhancing constituents |
US5888272A (en) | 1997-06-05 | 1999-03-30 | Praxair Technology, Inc. | Process for enriched combustion using solid electrolyte ionic conductor systems |
US5837034A (en) | 1997-06-23 | 1998-11-17 | Praxair Technology, Inc. | Process for reducing carbon production in solid electrolyte ionic conductor systems |
DE19839202B4 (de) * | 1997-08-29 | 2009-09-10 | Mitsubishi Materials Corp. | Leitfähige Substanz aus Mischoxidionen und deren Verwendung |
-
2000
- 2000-03-21 US US09/532,123 patent/US6264811B1/en not_active Expired - Fee Related
-
2001
- 2001-03-15 CA CA002403459A patent/CA2403459A1/en not_active Abandoned
- 2001-03-15 AU AU4746601A patent/AU4746601A/xx active Pending
- 2001-03-15 KR KR1020027011912A patent/KR20030007458A/ko not_active Application Discontinuation
- 2001-03-15 JP JP2001569441A patent/JP3746236B2/ja not_active Expired - Fee Related
- 2001-03-15 WO PCT/US2001/008379 patent/WO2001071064A1/en not_active Application Discontinuation
- 2001-03-15 BR BR0109402-5A patent/BR0109402A/pt not_active IP Right Cessation
- 2001-03-15 EP EP01920409A patent/EP1266049A1/en not_active Withdrawn
- 2001-03-15 AU AU2001247466A patent/AU2001247466B2/en not_active Ceased
- 2001-03-15 CN CNB018068596A patent/CN1222640C/zh not_active Expired - Fee Related
- 2001-03-15 MX MXPA02009169A patent/MXPA02009169A/es unknown
- 2001-03-19 MY MYPI20011274A patent/MY133763A/en unknown
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2002
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Also Published As
Publication number | Publication date |
---|---|
AU2001247466B2 (en) | 2005-07-28 |
AU4746601A (en) | 2001-10-03 |
US6264811B1 (en) | 2001-07-24 |
JP2003527958A (ja) | 2003-09-24 |
MXPA02009169A (es) | 2004-09-10 |
EP1266049A1 (en) | 2002-12-18 |
CA2403459A1 (en) | 2001-09-27 |
WO2001071064A1 (en) | 2001-09-27 |
CN1222640C (zh) | 2005-10-12 |
JP3746236B2 (ja) | 2006-02-15 |
ZA200207486B (en) | 2003-05-08 |
MY133763A (en) | 2007-11-30 |
BR0109402A (pt) | 2003-06-03 |
CN1418263A (zh) | 2003-05-14 |
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