[특허]Method of adsorptive separation of carbon dioxide

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B01D-053/047
출원번호	US-0824840 (2001-04-04)
우선권정보	JP-0106709 (2000-04-04)
발명자 / 주소	Hirano, Shigeru Harada, Atsushi
출원인 / 주소	Tosoh Corporation
대리인 / 주소	Oblon, Spivak, McClelland, Maier & Neustadt, P.C.
인용정보	피인용 횟수 : 10 인용 특허 : 17

초록 ▼

Adsorptive separation of carbon dioxide from a gaseous mixture comprising carbon dioxide and gases less polar than carbon dioxide comprising contacting the gaseous mixture with a zeolite adsorbent is effected wherein carbon dioxide present in the gaseous mixture as contacted with the zeolite has a p

Adsorptive separation of carbon dioxide from a gaseous mixture comprising carbon dioxide and gases less polar than carbon dioxide comprising contacting the gaseous mixture with a zeolite adsorbent is effected wherein carbon dioxide present in the gaseous mixture as contacted with the zeolite has a partial pressure of 0.1 to 50 mmHg, and the zeolite adsorbent is a shaped product comprised of at least 95%, as determined in the basis of the moisture equilibrium adsorption value, of a low-silica type X zeolite having an SiO2/Al2O3molar ratio of 1.9 to 2.1. Preferably, the zeolite adsorbent is preferably ion-exchanged with lithium and/or sodium, and is prepared by a process including a step of contacting with a caustic solution a calcined product of a mixture of a low-silica type X zeolite and kaolin clay whereby the kaolin clay is converted to a low-silica type X zeolite.

대표청구항 ▼

Adsorptive separation of carbon dioxide from a gaseous mixture comprising carbon dioxide and gases less polar than carbon dioxide comprising contacting the gaseous mixture with a zeolite adsorbent is effected wherein carbon dioxide present in the gaseous mixture as contacted with the zeolite has a p

Adsorptive separation of carbon dioxide from a gaseous mixture comprising carbon dioxide and gases less polar than carbon dioxide comprising contacting the gaseous mixture with a zeolite adsorbent is effected wherein carbon dioxide present in the gaseous mixture as contacted with the zeolite has a partial pressure of 0.1 to 50 mmHg, and the zeolite adsorbent is a shaped product comprised of at least 95%, as determined in the basis of the moisture equilibrium adsorption value, of a low-silica type X zeolite having an SiO2/Al2O3molar ratio of 1.9 to 2.1. Preferably, the zeolite adsorbent is preferably ion-exchanged with lithium and/or sodium, and is prepared by a process including a step of contacting with a caustic solution a calcined product of a mixture of a low-silica type X zeolite and kaolin clay whereby the kaolin clay is converted to a low-silica type X zeolite. emical filter unit, comprising: a chemical filter for cleaning air; an adsorption state detection sensor which is constituted of a same material as said chemical filter and through which air containing contaminants flows; and a reference sensor which is constituted of a same material as said chemical filter and to which a flow of air is blocked. 8. A semiconductor manufacturing apparatus, comprising a chemical filter unit, said chemical filter unit comprising: a chemical filter for cleaning air; an adsorption state detection sensor which is constituted of a same material as said chemical filter and through which air containing contaminants flows; a reference sensor which is constituted of a same material as said chemical filter and to which a flow of air is blocked.

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이 특허에 인용된 특허 (17) 인용/피인용 타임라인 분석

Bulow Martin ; Fitch Frank R. ; Ojo Adeola Florence, Adsorbents and adsorptive separation process.
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Deng Shuguang ; Kumar Ravi ; Bulow Martin ; Fitch Frank R. ; Ojo Adeola Florence ; Gittleman Craig S., Air purification process.
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Jain Ravi ; Tseng James K., Air purification process.
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Kumar Ravi ; Deng Shuguang ; Bulow Martin ; Fitch Frank ; Ojo Adeola Florence ; Gittleman Craig S., Air purification process.
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Funakoshi Hajime,JPX ; Shirakura Yoshinori,JPX, Low-silica faujasite type zeolite and method for producing the same.
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Bomard Olivier,FRX ; Jutard Jerome,FRX ; Moreau Serge,FRX ; Vigor Xavier,FRX, Method for purifying hydrogen based gas mixture using a lithium- exchanged X zeolite.
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Coe Charles G. (Macungie PA) Kirner John F. (Orefield PA) Pierantozzi Ronald (Orefield PA) White Thomas R. (Allentown PA), Nitrogen adsorption with a Ca and/or Sr exchanged lithium X-zeolite.
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Labasque Jacques,FRX ; Lledos Bernard,FRX ; Moreau Serge,FRX, PSA process using a faujasite zeolite containing metal cations as adsorbent.
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Mohamed Safdar Allie Baksh ; Mark William Ackley, Pressure swing adsorption process for the production of hydrogen.
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Millet Cyrille,FRX ; Bourgeois Philippe,FRX ; Kraus Georges,FRX ; Gabillard Jean-Pierre,FRX, Process for purifying air by adsorption before cryogenic distillation.
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Gary Daniel,FRX ; Lardeau Rene,FRX, Process for purifying inert fluids by adsorption on LSX zeolite.
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Chao Chien C. (Millwood NY), Process for separating nitrogen from mixtures thereof with less polar substances.
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Bulow Martin (Basking Ridge NJ) Dao Loc (Bound Brook NJ) Fitch Frank R. (Bedminster NJ), Removal of carbon dioxide from gas streams.
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Gittleman Craig S. ; Ojo Adeola Florence ; Fitch Frank R. ; Bulow Martin ; Balse Vijay R. ; Connolly Philip, Removal of carbon dioxide from gas streams.
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Ojo Adeola F. (Chatham NJ) Fitch Frank R. (Bedminster NY) Blow Martin (Basking Ridge NJ), Removal of carbon dioxide from gas streams.
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Rastelli Henry (New Fairfield CT) Chao Chien C. (Millwood NY) Garg Desh R. (Fishkill NY), Selective adsorption of CO₂ on zeolites.
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Sienel, Tobias H., Method for extracting carbon dioxide for use as a refrigerant in a vapor compression system.
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Kim, Jin-Bae; Jo, Hisanao; Yoshioka, Haruo; Kiyama, Hiromi, Selective adsorbent for nitrogen and method for separating air using the same.
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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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이 특허에 인용된 특허 (17) 인용/피인용 타임라인 분석

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