[특허]Multistage process for combusting fuel mixtures using oxide catalysts in the hot stage

Multistage process for combusting fuel mixtures using oxide catalysts in the hot stage 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F23D-003/40
출원번호	US-0617980 (1990-11-26)
발명자 / 주소	Dalla Betta Ralph A. (Mountain View CA) Tsurumi Kazunori (Fujisawa JPX) Ezawa Nobuyasu (Koto JPX)
출원인 / 주소	Catalytica, Inc. (Mountain View CA 02) Tanaka Kikinzoku Kogyo K.K. (Tokyo JPX 03)
인용정보	피인용 횟수 : 63 인용 특허 : 0

초록 ▼

This invention is a combustion process having a series of stages in which the fuel is combusted stepwise using specific catalysts (desirably palladium-bearing catalysts in the first two zones and metal and oxygen-bearing catalysts in the hot catalytic zone) and catalytic structures and, optionally, a final homogeneous combustion zone. The choice of catalysts and the use of specific structures, including those employing integral heat exchange, results in a catalyst support which is stable due to its comparatively low temperature and yet the product combustion gas is at a temperature suitable for use in a gas turbine, furnace, boiler, or the like, but has low NOx content.

대표청구항 ▼

A process for partially combusting combustible mixtures comprising the steps of: a. mixing an oxygen-containing gas with a fuel to form a combustible mixture, b. contacting the combustible mixture in a first zone with a first zone combustion catalyst comprising palladium completely covering a catalyst support at reaction conditions sufficient to combust at least a portion but not all of the fuel, c. contacting the partially combusted gas from the first zone in a second zone with a second zone combustion catalyst on a support having integral heat exchange surfaces comprising a metallic support with walls having catalyst applied to at least a portion of only one side and not the other side of the surface forming the walls of the catalyst support so as to limit the catalyst substrate temperature and bulk outlet gas temperature at reaction conditions sufficient to combust at least a further portion but not all of the fuel, and d. contacting the partially combusted gas from the second zone in a third zone with a third zone combustion catalyst comprising a metal-oxygen catalytic material at reaction conditions sufficient to combust at least a further portion of the fuel.

이 특허를 인용한 특허 (63)

Joshi, Ajay; Yee, David, Catalyst module overheating detection and methods of response.
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Dalla Betta, Ralph, Catalyst placement in combustion cylinder for reduction on NOx and particulate soot.
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McCarty Jon G. ; Wong Victor L. ; Wood Bernard J., Catalytic combustion process.
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William B. Retallick ; Brian A. Knight ; Joseph J. Sangiovanni ; Robert J. Hall, Catalytic combustor and method of operating same.
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Whittenberger, William A., Catalytic combustor with improved light-off characteristics.
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Alvin,Mary Anne; Mucha,Basil; Klotz,James, Catalytic combustors.
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Carroni,Richard; Griffin,Timothy A.; Schmidt,Verena; Winkler,Dieter, Catalyzer.
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Bruck,Gerald J.; Laster,Walter R., Concentric catalytic combustor.
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Bruck,Gerald Joseph; Alvin,Mary Anne, Concentric catalytic combustor.
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Yee,David K.; Velasco,Marco A.; Nickolas,Sarento G.; Dalla Betta,Ralph A., Control strategy for flexible catalytic combustion system.
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Hamrin, Douglas; Lampe, Steve, Controls for multi-combustor turbine.
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Yee, David K.; Corr, II, Robert Anthony; Nickolas, Sarento George, Design and control strategy for catalytic combustion system with a wide operating range.
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Dalla Betta, Ralph Albert; Cizeron, Joel M.; Sheridan, David R., Devices and methods for reduction of NOemissions from lean burn engines.
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Dalla Betta,Ralph A.; Cizeron,Joel; Sheridan,David R., Devices and methods for reduction of NOemissions from lean burn engines.
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Greeb Kevin, Dynamic control system and method for catalytic combustion process and gas turbine engine utilizing same.
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Yee,David K.; Reppen,Dag, Dynamic control system and method for multi-combustor catalytic gas turbine engine.
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Prabhu, Edan, Fuel oxidation in a gas turbine system.
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Prabhu, Edan D., Gasifier power plant and management of wastes.
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Maslov, Boris A., Gradual oxidation and autoignition temperature controls.
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Maslov, Boris A., Gradual oxidation and autoignition temperature controls.
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Denison, Thomas Renau; Maslov, Boris A., Gradual oxidation and multiple flow paths.
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Maslov, Boris A., Gradual oxidation and multiple flow paths.
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Armstrong, Jeffrey, Gradual oxidation below flameout temperature.
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Maslov, Boris A., Gradual oxidation below flameout temperature.
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Armstrong, Jeffrey; Martin, Richard; Hamrin, Douglas, Gradual oxidation with adiabatic temperature above flameout temperature.
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Maslov, Boris A., Gradual oxidation with adiabatic temperature above flameout temperature.
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Maslov, Boris A.; Armstrong, Jeffrey, Gradual oxidation with flue gas.
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Hamrin, Douglas; Armstrong, Jeffrey, Gradual oxidation with heat control.
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Lampe, Steve; Hamrin, Douglas, Gradual oxidation with heat control.
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Lampe, Steve; Hamrin, Douglas, Gradual oxidation with heat control.
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Lampe, Steve; Hamrin, Douglas, Gradual oxidation with heat control.
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Maslov, Boris A.; Hamrin, Douglas, Gradual oxidation with heat exchange media.
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Armstrong, Jeffrey; Martin, Richard; Hamrin, Douglas, Gradual oxidation with heat transfer.
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Armstrong, Jeffrey; Maslov, Boris A., Gradual oxidation with heat transfer.
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Hamrin, Douglas; Martin, Richard; Armstrong, Jeffrey, Gradual oxidation with heat transfer.
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Schnepel, Mark, Gradual oxidation with reciprocating engine.
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Schnepel, Mark; Maslov, Boris A., Gradual oxidation with reciprocating engine.
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Prabhu, Edan, Heating a reaction chamber.
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Martin, Richard; Armstrong, Jeffrey; Hamrin, Douglas, Hybrid gradual oxidation.
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Prabhu, Edan, Managing leaks in a gas turbine system.
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Colket, III,Meredith B., Method and system for rich-lean catalytic combustion.
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Dalla Betta, Ralph A.; Velasco, Marco A.; Yee, David K.; Nickolas, Sarento G., Method of thermal NOx reduction in catalytic combustion systems.
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Daly, Francis P.; Watson, Junko M.; Wang, Yong; Hu, Jianli; Cao, Chunshe; Long, Richard; Taha, Rachid, Methods of conducting catalytic combustion in a multizone reactor, and a method of making a thermally stable catalyst support.
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Magno, Scott; Wang, Ruiping; Derouane, Eric, Mixed oxide solid solutions.
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Hamrin, Douglas; Lampe, Steve, Multi-combustor turbine.
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Prabhu, Edan, Oxidizing fuel.
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Prabhu, Edan, Oxidizing fuel in multiple operating modes.
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Prabhu, Edan, Oxidizing fuel in multiple operating modes.
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LaBarge,William J.; Svoboda,Robert J.; Keller,Joseph M., PROX catalyst for oxidizing carbon monoxide.
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LaBarge,William J.; Svoboda,Robert J.; Keller,Joseph M., PROX catalyst for oxidizing carbon monoxide.
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Dalla Betta, Ralph A.; Nickolas, Sarento G.; Caron, Timothy J.; McCarty, Jon G.; Spencer, Mark J.; Corr, II, Robert A., Process and apparatus for control of NOx in catalytic combustion systems.
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Gary, Daniel; Del-Gallo, Pascal; Basile, Francesco; Vaccari, Angelo; Fornasari, Giuseppe; Rosetti, Valentina; Scavetta, Erika; Tonelli, Domenica, Process for the preparation of a catalytic specie using electro-deposition.
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Prabhu, Edan D., Processing fuel and water.
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Daly, Francis P.; Watson, Junko M.; Wang, Yong; Hu, Jianli; Cao, Chunshe; Long, Richard, Stable, catalyzed, high temperature combustion in microchannel, integrated combustion reactors.
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Armstrong, Jeffrey; Martin, Richard; Hamrin, Douglas, Staged gradual oxidation.
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Armstrong, Jeffrey; Martin, Richard; Hamrin, Douglas; Perry, Joe, Staged gradual oxidation.
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Colket, Meredith B.; Chen, Alexander, Staging for rich catalytic combustion.
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Dalla Betta Ralph A. ; Schlatter James C. ; Cutrone Martin Bernard ; Beebe Kenneth Winston, Support structure for a catalyst in a combustion reaction chamber.
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Betta,Ralph Dalla; Cizeron,Joel, System and methods for improved emission control of internal combustion engines.
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Dalla Betta,Ralph; Cizeron,Joel, System and methods for improved emission control of internal combustion engines using pulsed fuel flow.
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Dalla Betta, Ralph A., Systems and methods for reducing emissions of internal combustion engines using a fuel processor bypass.
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Hatfield, Randal L., Systems and methods for using Pd1+ in a TWC.
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Barnes,John, Thermally tolerant support structure for a catalytic combustion catalyst.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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연합인증

Multistage process for combusting fuel mixtures using oxide catalysts in the hot stage 원문보기

초록 ▼

대표청구항 ▼

연구과제 타임라인

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연합인증

Multistage process for combusting fuel mixtures using oxide catalysts in the hot stage 원문보기

초록 ▼

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연구과제 타임라인

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이 특허를 인용한 특허 (63)

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