AU686049B2 - High temperature oxygen production for ironmaking processes - Google Patents
High temperature oxygen production for ironmaking processes Download PDFInfo
- Publication number
- AU686049B2 AU686049B2 AU50573/96A AU5057396A AU686049B2 AU 686049 B2 AU686049 B2 AU 686049B2 AU 50573/96 A AU50573/96 A AU 50573/96A AU 5057396 A AU5057396 A AU 5057396A AU 686049 B2 AU686049 B2 AU 686049B2
- Authority
- AU
- Australia
- Prior art keywords
- oxygen
- hot
- stream
- gas
- iron
- Prior art date
- 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.)
- Ceased
Links
- 239000001301 oxygen Substances 0.000 title claims description 120
- 229910052760 oxygen Inorganic materials 0.000 title claims description 120
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims description 116
- 238000000034 method Methods 0.000 title claims description 96
- 230000008569 process Effects 0.000 title claims description 87
- 238000004519 manufacturing process Methods 0.000 title claims description 15
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 111
- 239000007789 gas Substances 0.000 claims description 99
- 239000012528 membrane Substances 0.000 claims description 77
- 229910052742 iron Inorganic materials 0.000 claims description 54
- 239000012466 permeate Substances 0.000 claims description 34
- 238000010438 heat treatment Methods 0.000 claims description 32
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 29
- 230000037427 ion transport Effects 0.000 claims description 25
- 239000000047 product Substances 0.000 claims description 23
- 239000003245 coal Substances 0.000 claims description 22
- 238000000926 separation method Methods 0.000 claims description 18
- 239000002737 fuel gas Substances 0.000 claims description 15
- 230000001590 oxidative effect Effects 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 229910001868 water Inorganic materials 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 14
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 13
- 238000011084 recovery Methods 0.000 claims description 12
- 239000007787 solid Substances 0.000 claims description 12
- 238000002485 combustion reaction Methods 0.000 claims description 11
- 230000004907 flux Effects 0.000 claims description 10
- 238000010248 power generation Methods 0.000 claims description 10
- 229910052799 carbon Inorganic materials 0.000 claims description 9
- 229910002091 carbon monoxide Inorganic materials 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 9
- 239000001257 hydrogen Substances 0.000 claims description 9
- 229910052739 hydrogen Inorganic materials 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 9
- 239000002893 slag Substances 0.000 claims description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 8
- 238000003723 Smelting Methods 0.000 claims description 8
- 230000005611 electricity Effects 0.000 claims description 7
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 6
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 6
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims description 4
- 239000000571 coke Substances 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 4
- 229930195733 hydrocarbon Natural products 0.000 claims description 3
- 150000002430 hydrocarbons Chemical class 0.000 claims description 3
- 239000003345 natural gas Substances 0.000 claims description 3
- 239000004215 Carbon black (E152) Substances 0.000 claims description 2
- 239000002006 petroleum coke Substances 0.000 claims description 2
- 238000002844 melting Methods 0.000 claims 2
- 230000008018 melting Effects 0.000 claims 2
- 238000002156 mixing Methods 0.000 claims 1
- 230000009467 reduction Effects 0.000 description 11
- 230000010354 integration Effects 0.000 description 10
- 235000013980 iron oxide Nutrition 0.000 description 9
- 239000000654 additive Substances 0.000 description 8
- 239000010410 layer Substances 0.000 description 7
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 6
- 239000000446 fuel Substances 0.000 description 6
- 239000011533 mixed conductor Substances 0.000 description 6
- 239000000758 substrate Substances 0.000 description 6
- 239000000203 mixture Substances 0.000 description 5
- 230000003647 oxidation Effects 0.000 description 5
- 238000007254 oxidation reaction Methods 0.000 description 5
- -1 oxygen ions Chemical class 0.000 description 5
- 239000007784 solid electrolyte Substances 0.000 description 5
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 4
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 239000003546 flue gas Substances 0.000 description 4
- 229910044991 metal oxide Inorganic materials 0.000 description 4
- 208000035699 Distal ileal obstruction syndrome Diseases 0.000 description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 description 3
- 239000001569 carbon dioxide Substances 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000010304 firing Methods 0.000 description 3
- 238000002309 gasification Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 239000011261 inert gas Substances 0.000 description 3
- VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical class [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 description 3
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 239000002344 surface layer Substances 0.000 description 3
- 229910001233 yttria-stabilized zirconia Inorganic materials 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 235000019738 Limestone Nutrition 0.000 description 2
- 229910000805 Pig iron Inorganic materials 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000010459 dolomite Substances 0.000 description 2
- 229910000514 dolomite Inorganic materials 0.000 description 2
- 150000002431 hydrogen Chemical class 0.000 description 2
- 239000006028 limestone Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- OBOSXEWFRARQPU-UHFFFAOYSA-N 2-n,2-n-dimethylpyridine-2,5-diamine Chemical compound CN(C)C1=CC=C(N)C=N1 OBOSXEWFRARQPU-UHFFFAOYSA-N 0.000 description 1
- 206010037660 Pyrexia Diseases 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000002956 ash Substances 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000000112 cooling gas Substances 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910001507 metal halide Inorganic materials 0.000 description 1
- 150000005309 metal halides Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000011224 oxide ceramic Substances 0.000 description 1
- 150000002926 oxygen Chemical class 0.000 description 1
- 238000011112 process operation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000011946 reduction process Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 238000005201 scrubbing Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- DUNKXUFBGCUVQW-UHFFFAOYSA-J zirconium tetrachloride Chemical compound Cl[Zr](Cl)(Cl)Cl DUNKXUFBGCUVQW-UHFFFAOYSA-J 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/0006—Making spongy iron or liquid steel, by direct processes obtaining iron or steel in a molten state
- C21B13/0013—Making spongy iron or liquid steel, by direct processes obtaining iron or steel in a molten state introduction of iron oxide into a bath of molten iron containing a carbon reductant
- C21B13/002—Reduction of iron ores by passing through a heated column of carbon
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/14—Multi-stage processes processes carried out in different vessels or furnaces
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2100/00—Handling of exhaust gases produced during the manufacture of iron or steel
- C21B2100/40—Gas purification of exhaust gases to be recirculated or used in other metallurgical processes
- C21B2100/44—Removing particles, e.g. by scrubbing, dedusting
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2100/00—Handling of exhaust gases produced during the manufacture of iron or steel
- C21B2100/60—Process control or energy utilisation in the manufacture of iron or steel
- C21B2100/62—Energy conversion other than by heat exchange, e.g. by use of exhaust gas in energy production
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2100/00—Handling of exhaust gases produced during the manufacture of iron or steel
- C21B2100/60—Process control or energy utilisation in the manufacture of iron or steel
- C21B2100/66—Heat exchange
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/10—Reduction of greenhouse gas [GHG] emissions
- Y02P10/134—Reduction of greenhouse gas [GHG] emissions by avoiding CO2, e.g. using hydrogen
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S75/00—Specialized metallurgical processes, compositions for use therein, consolidated metal powder compositions, and loose metal particulate mixtures
- Y10S75/958—Specialized metallurgical processes, compositions for use therein, consolidated metal powder compositions, and loose metal particulate mixtures with concurrent production of iron and other desired nonmetallic product, e.g. energy, fertilizer
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Inorganic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Manufacture Of Iron (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/417,584 US5643354A (en) | 1995-04-06 | 1995-04-06 | High temperature oxygen production for ironmaking processes |
| US417584 | 1995-04-06 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| AU5057396A AU5057396A (en) | 1996-10-17 |
| AU686049B2 true AU686049B2 (en) | 1998-01-29 |
Family
ID=23654579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU50573/96A Ceased AU686049B2 (en) | 1995-04-06 | 1996-04-02 | High temperature oxygen production for ironmaking processes |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US5643354A (enExample) |
| KR (1) | KR100195901B1 (enExample) |
| CN (1) | CN1047797C (enExample) |
| AU (1) | AU686049B2 (enExample) |
| TW (1) | TW316925B (enExample) |
| ZA (1) | ZA962673B (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2784924C1 (ru) * | 2022-07-26 | 2022-12-01 | Сергей Романович Исламов | Способ получения железа прямым восстановлением |
Families Citing this family (33)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW317588B (enExample) * | 1995-06-14 | 1997-10-11 | Praxair Technology Inc | |
| FR2745821B1 (fr) * | 1996-03-11 | 1998-04-30 | Air Liquide | Procede de conduite d'une installation comprenant une unite de traitement de metal et une unite de traitement de gaz |
| US5888272A (en) * | 1997-06-05 | 1999-03-30 | Praxair Technology, Inc. | Process for enriched combustion using solid electrolyte ionic conductor systems |
| US5855648A (en) * | 1997-06-05 | 1999-01-05 | Praxair Technology, Inc. | Solid electrolyte system for use with furnaces |
| US6149714A (en) * | 1997-06-05 | 2000-11-21 | Praxair Technology, Inc. | Process for enriched combustion using solid electrolyte ionic conductor systems |
| US5964922A (en) * | 1997-11-18 | 1999-10-12 | Praxair Technology, Inc. | Solid electrolyte ionic conductor with adjustable steam-to-oxygen production |
| US5979183A (en) * | 1998-05-22 | 1999-11-09 | Air Products And Chemicals, Inc. | High availability gas turbine drive for an air separation unit |
| AUPP483898A0 (en) * | 1998-07-24 | 1998-08-13 | Technological Resources Pty Limited | A direct smelting process & apparatus |
| US6382958B1 (en) * | 2000-07-12 | 2002-05-07 | Praxair Technology, Inc. | Air separation method and system for producing oxygen to support combustion in a heat consuming device |
| US6539719B2 (en) | 2000-11-02 | 2003-04-01 | Praxair Technology, Inc. | Integration of ceramic oxygen transport membrane combustor with boiler furnace |
| US6519942B2 (en) | 2001-01-23 | 2003-02-18 | Reginald Wintrell | Systems and methods for harvesting energy from direct iron-making off gases |
| US6623714B2 (en) | 2001-06-04 | 2003-09-23 | Praxair Technology, Inc. | Oxygen separation method using a ceramic membrane unit |
| CN1258389C (zh) * | 2001-08-10 | 2006-06-07 | 国际壳牌研究有限公司 | 从热气体中回收能量的方法 |
| US6702570B2 (en) * | 2002-06-28 | 2004-03-09 | Praxair Technology Inc. | Firing method for a heat consuming device utilizing oxy-fuel combustion |
| FR2842124B1 (fr) * | 2002-07-09 | 2005-03-25 | Air Liquide | Procede de conduite d'une installation de production de gaz alimentee en electricite et cette installation de production |
| JP4778735B2 (ja) | 2005-06-24 | 2011-09-21 | 東芝機械株式会社 | ガラス成形用金型の製造方法 |
| DE102006035790B3 (de) * | 2006-07-28 | 2008-03-27 | Siemens Ag | Verfahren zum Betrieb einer Kraftwerksanlage mit integrierter Kohlevergasung sowie Kraftwerksanlage |
| DE102006048600B4 (de) * | 2006-10-13 | 2012-03-29 | Siemens Vai Metals Technologies Gmbh | Verfahren und Vorrichtung zur Herstellung von geschmolzenem Material |
| KR100797824B1 (ko) * | 2006-12-18 | 2008-01-24 | 주식회사 포스코 | 분상 또는 괴상의 일반탄 및 분상의 철함유 광석을 직접사용하는 용철제조장치 |
| AT504863B1 (de) * | 2007-01-15 | 2012-07-15 | Siemens Vai Metals Tech Gmbh | Verfahren und anlage zur erzeugung von elektrischer energie in einem gas- und dampfturbinen (gud) - kraftwerk |
| US8133298B2 (en) | 2007-12-06 | 2012-03-13 | Air Products And Chemicals, Inc. | Blast furnace iron production with integrated power generation |
| US20100146982A1 (en) * | 2007-12-06 | 2010-06-17 | Air Products And Chemicals, Inc. | Blast furnace iron production with integrated power generation |
| DE102009021623A1 (de) * | 2009-05-16 | 2010-11-25 | Forschungszentrum Jülich GmbH | Kraftwerk sowie Verfahren zum Betreiben desselben |
| DE102009038322A1 (de) * | 2009-08-21 | 2011-02-24 | Krones Ag | Verfahren und Vorrichtung zur Umwandlung thermischer Energie aus Biomasse in mechanische Arbeit |
| DE102009038323A1 (de) | 2009-08-21 | 2011-02-24 | Krones Ag | Verfahren und Vorrichtung zur Verwertung von Biomasse |
| US20110067405A1 (en) * | 2009-09-18 | 2011-03-24 | Concepts Eti, Inc. | Integrated Ion Transport Membrane and Combustion Turbine System |
| US20110097678A1 (en) * | 2009-10-05 | 2011-04-28 | Patch Keith D | Method of heating and heating apparatus |
| US8590490B2 (en) * | 2010-02-18 | 2013-11-26 | King Fahd Univ. Of Petroleum & Minerals | Carbon-free fire tube boiler |
| US8117822B2 (en) * | 2010-04-19 | 2012-02-21 | King Fahd University Of Petroleum & Minerals | Carbon-free gas turbine |
| CN102392088A (zh) * | 2011-09-30 | 2012-03-28 | 西安胜唐鼓风机有限公司 | 鼓风机机尾气能量回收在线联动系统 |
| CN102559978B (zh) * | 2012-02-17 | 2014-04-09 | 王东海 | 一种电加热生产海绵铁的方法及其系统 |
| US20140167336A1 (en) | 2012-12-18 | 2014-06-19 | L'air Liquide Societe Anonyme Pour I'etude Et I'exploitation Des Procedes Georges Claude | Integration of oxygen transport membrane with coal based dri process |
| JP2018051764A (ja) * | 2016-09-26 | 2018-04-05 | エスアイアイ・プリンテック株式会社 | 噴射孔プレートの製造方法 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4345939A (en) * | 1979-03-26 | 1982-08-24 | Mannesmann Demag A.G. | Method for providing oxygen enhanced air for use in metallurgical processes |
| AU6737294A (en) * | 1993-07-16 | 1995-02-09 | Air Products And Chemicals Inc. | Integrated air separation - gas turbine electrical generation process |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4545787A (en) * | 1984-07-30 | 1985-10-08 | Air Products And Chemicals, Inc. | Process for producing by-product oxygen from turbine power generation |
| DE3504346C2 (de) * | 1985-02-06 | 1986-11-27 | Korf Engineering GmbH, 4000 Düsseldorf | Verfahren und Vorrichtung zur Erzeugung von Eisenschwammpartikeln und flüssigem Roheisen |
| US5118395A (en) * | 1990-05-24 | 1992-06-02 | Air Products And Chemicals, Inc. | Oxygen recovery from turbine exhaust using solid electrolyte membrane |
| US5035727A (en) * | 1990-05-24 | 1991-07-30 | Air Products And Chemicals, Inc. | Oxygen extraction from externally fired gas turbines |
| US5174866A (en) * | 1990-05-24 | 1992-12-29 | Air Products And Chemicals, Inc. | Oxygen recovery from turbine exhaust using solid electrolyte membrane |
| US5245110A (en) * | 1991-09-19 | 1993-09-14 | Starchem, Inc. | Process for producing and utilizing an oxygen enriched gas |
-
1995
- 1995-04-06 US US08/417,584 patent/US5643354A/en not_active Expired - Lifetime
-
1996
- 1996-02-01 TW TW085101265A patent/TW316925B/zh active
- 1996-04-02 AU AU50573/96A patent/AU686049B2/en not_active Ceased
- 1996-04-03 ZA ZA9602673A patent/ZA962673B/xx unknown
- 1996-04-03 CN CN96105405A patent/CN1047797C/zh not_active Expired - Fee Related
- 1996-04-04 KR KR1019960010109A patent/KR100195901B1/ko not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4345939A (en) * | 1979-03-26 | 1982-08-24 | Mannesmann Demag A.G. | Method for providing oxygen enhanced air for use in metallurgical processes |
| AU6737294A (en) * | 1993-07-16 | 1995-02-09 | Air Products And Chemicals Inc. | Integrated air separation - gas turbine electrical generation process |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2784924C1 (ru) * | 2022-07-26 | 2022-12-01 | Сергей Романович Исламов | Способ получения железа прямым восстановлением |
Also Published As
| Publication number | Publication date |
|---|---|
| TW316925B (enExample) | 1997-10-01 |
| KR960037562A (ko) | 1996-11-19 |
| US5643354A (en) | 1997-07-01 |
| CN1047797C (zh) | 1999-12-29 |
| AU5057396A (en) | 1996-10-17 |
| CN1143679A (zh) | 1997-02-26 |
| ZA962673B (en) | 1997-10-03 |
| KR100195901B1 (ko) | 1999-06-15 |
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