KR950005373A - 알켄 트랩용의 커다란 포아 사이즈를 갖는 변형된 제오라이트 - Google Patents
알켄 트랩용의 커다란 포아 사이즈를 갖는 변형된 제오라이트 Download PDFInfo
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- KR950005373A KR950005373A KR1019940020148A KR19940020148A KR950005373A KR 950005373 A KR950005373 A KR 950005373A KR 1019940020148 A KR1019940020148 A KR 1019940020148A KR 19940020148 A KR19940020148 A KR 19940020148A KR 950005373 A KR950005373 A KR 950005373A
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- B01D53/34—Chemical or biological purification of waste gases
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- B01D53/04—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 adsorption, e.g. preparative gas chromatography with stationary adsorbents
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B01D53/34—Chemical or biological purification of waste gases
- B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
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- B01D53/944—Simultaneously removing carbon monoxide, hydrocarbons or carbon making use of oxidation catalysts
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- B01J29/00—Catalysts comprising molecular sieves
- B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
- B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
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- B01J29/084—Y-type faujasite
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- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/009—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series
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- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
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- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
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- F01N3/0871—Regulation of absorbents or adsorbents, e.g. purging
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- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
- B01D2257/702—Hydrocarbons
- B01D2257/7022—Aliphatic hydrocarbons
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- F01N2240/00—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being
- F01N2240/02—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being a heat exchanger
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- F01N2250/00—Combinations of different methods of purification
- F01N2250/12—Combinations of different methods of purification absorption or adsorption, and catalytic conversion
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- F01N2370/00—Selection of materials for exhaust purification
- F01N2370/22—Selection of materials for exhaust purification used in non-catalytic purification apparatus
- F01N2370/24—Zeolitic material
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- F01N2410/00—By-passing, at least partially, exhaust from inlet to outlet of apparatus, to atmosphere or to other device
- F01N2410/12—By-passing, at least partially, exhaust from inlet to outlet of apparatus, to atmosphere or to other device in case of absorption, adsorption or desorption of exhaust gas constituents
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- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
- F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
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- F02M26/15—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories in relation to the exhaust system in relation to engine exhaust purifying apparatus
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Abstract
촉매적 컨버터가 그의 효과적인 작동 온도에 도달하기 전 엔진의 시동시 방출되는 알켄을 흡착하도록 하기 위한 변형된 커다란 포아 사이즈의 분자체 구조가 기재되어 있다. 제오라이트 분자체는 특정 금속 이온을 분자체 구조에 삽입시키므로써 변형된다. 특히 프로필렌에 대해 고 흡착능을 갖는 변형된 Y 제오라이트가 기재되어 있다.
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도와 제3도는 본 발명의 제오라이트 흡착제가 사용될 수 있는 엔진 배기 시스템의 개략도를 나타낸 도면이고,
제2도는 제1도의 분자체 구조와 엔진 배기 시스템의 컨버터를 통과하는 배기 가스의 방향을 시간의 함수로써 설명한 챠트이며,
제4도는 다양한 양이온을 함유하는 USY 제오라이트와 양이온 비함유 제오라이트의 프로필렌 흡착능을 시간에 따라 비교한 그래프이다.
Claims (14)
- 최대 포아 구멍이 5.6Å 이상이고, 구리, 크롬, 니켈, 아연, 망간, 마그네슘, 란탄, 세륨 및 이들의 조합중에서 선택된 비구성 양이온이 함유된 분자체 구조와 촉매 메인 컨버터로 이루어진 하우징이 포함되는 것을 징으로 하는 탄화수소-함유 배기 스트림내의 탄화수소를 물과 이산화탄소로 전환시키는 바이패스 엔진 배기 조절 시스템.
- 제1항에 있어서, 분자체는 제오라이트, 메탈로실리케이트, 티타노실리케이트, 메탈로알루미네이트, 실리코알루미노포스페이트, 메탈로알루미노포스페이트, 갈로게르미네이트, 갈로실리게이트, 크로모실리케이트, 보로실리케이트, 페로실리케이트, 및 이들의 조합으로 이루어진 그룹으로부터 선택되는 것을 특징으로 하는 바이패스 엔진 배기 조절 시스템.
- 제2항에 있어서, 분자체는 Hyper Y, USY 제오라이트, 화우자사이트, X 제오라이트, 타입 L 제오라이트, 마자이트, EMC-2, MAPO-36, AlPO4-5, AlPO4-8, VPI-5, 및 이들의 조합중에서 선택된 제오라이트인 것을 특징으로 하는 바이패스 엔진 배기 조절 시스템.
- 제3항에 있어서, 제오라이트는 최대 포아 구멍이 적어도 7.4Å인 것을 특징으로 하는 바이패스 엔진 배기 조절 시스템.
- 제3항에 있어서, 제오라이트 분자체 구조는 금속, 금속 합금, 세라믹, 글래스-세라믹, 글래스 및 온도 안정화 산화물이 함유된 기판상에서 지지되는 것을 특징으로 하는 바이패스 엔진 배기 조절 시스템.
- 제5항에 있어서, 기판은 비드, 펠렛, 및 하니컴 모놀리드인 것을 특징으로 하는 바이패스 엔진 배기 조절 시스템.
- 제6항에 있어서, 기판은 코디어라이트, 뮬라이트, 클레이, 탈크, 지르콘, 지르코니아, 스피넬, 알루미나, 실리카, 보라이트, 리튬 알루미노실리케이트, 알루미나 실리카, 펠드스파, 티타니아, 융합된 실리카, 나이트라이드, 카바이드 및 이들의 혼합물인 세라믹하니컴 구조이며, 하니컴 구조는 월다공성이 30-70부피%의 범위인 것을 특징으로 하는 바이패스 엔진 배기 조절 시스템.
- 탄화수소-함유 배기 스트림내의 탄화수소를 물과 이산화탄소로 전환시키는 라이트-오프 온도를 갖는 촉매 메인 컨버터를 제공하고; 배출 스트림으로부터 탄화수소를 흡착하는 분자체 수단을 제공하며; (i) 분자체 수단이 그의 배출 온도에 도달하기 전 제1주기동안 실질적으로 모든 배기 스트림이 분자체 수단과 컨버터 수단을 향하게 하고; (ii) 그후 제2주기동안 실질적으로 모든 배기 스트림이 분자체 수단을 우회하고 촉매적 컨버터 수단을 향하게 하며; (iii) 그후 제3주기동안 촉매적 컨버터 수단이 적어도 그의 라이트-오프 온도에 도달한 후, 적어도 배기 스트림의 일부는 분자체 수단의 온도를 그의 배출 온도까지 상승시켜서 그로부터 탄화수소의 배출이 효과적으로 되도록 하기에 충분하게 분자체 수단을 따라 촉매 메인 컨버터 수단을 향하도록 배기스트림의 흐름을 선택하는 것을 특징으로 하는 내부 연소 엔진으로부터 탄화수소의 배출을 조절하는 방법에 청구항 제1항 내지 제7항중 어느 한 항에 따른 바이패스 엔진 배기 조절 시스템을 사용하는 방법.
- 평균 베드 온도가 200℃ 미만이고, Cu, Cr, Ni, Mg, Mn, Zn, Fe, La, Ce 및 이들의 조합으로 이루어진 그룹으로부터 선택된 양이온이 삽입된 제오라이트 구조로 이루어지며, 최대 포아 구멍이 5.6Å보다 큰 것을 특징으로 하는 제오라이트 흡착제에 가스 스트림을 접촉시키므로써 엔진 배기 가스 스트림으로부터 저분자량 알켄(올레핀)을 제거하는 방법.
- 제9항에 있어서, 제오라이트는 Hyper Y, USY 제오라이트, 화우자사이트, X 제오라이트, 타입 L 제오라이트, 마자이트, EMC-2MAPO-35, AlPO4-5, AlPO4-8, VPI-5, 및 이들의 조합으로 이루어진 그룹으로부터 선택되고/또는 저분자량 탄화수소는 프로필렌, 또는 탄소원자수 2-5의 다른 저급 알켄인 것을 특징으로 하는 방법.
- 제9항 또는 제10항에 있어서, 양이온은 침투, 가스확산, 흡착 및 이온교환중에서 선택된 방법에 의해 형성되는 것을 특징으로 하는 방법.
- Hyper Y, USY 제오라이트, 화우자사이트, X 제오라이트, 타입 L 제오라이트, 마자이트, EMC-2MAPO-35, AlPO4-5, AlPO4-8, VPI-5, 및 이들의 조합으로 이루어진 그룹으로부터 선택되고, 최대 포아 사이즈 구멍이 5.6Å보다 큰 제오라이트 구조를 적용하고, 임의로 이온교환, 가스 확산, 흡착 또는 침투에 의해 상기 비-구성 양이온을 로딩하는 것을 특징으로하는 제1항 내지 제7항중 어느 한 항에 따른 시스템용 분자체를 제조하는 방법.
- 제12항에 있어서, 제오라이트에 적용되는 비-구성 양이온의 로딩은 제오라이트를 기준으로 0.5-15중량%, 바람직하게는 1-5중량%의 범위인 것을 특징으로 하는 방법.
- 제12항 또는 제13항에 있어서, 알켄은 프로필렌이고 프로필렌에 대한 제오라이트 흡착효율은 양이온 비함유 제오라이트보다 큰 적어도 30%, 바람직하게는 100%인 것을 특징으로 하는 방법.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10651493A | 1993-08-16 | 1993-08-16 | |
US8/106,514 | 1993-08-16 | ||
US22168994A | 1994-03-31 | 1994-03-31 | |
US8/221,689 | 1994-03-31 |
Publications (1)
Publication Number | Publication Date |
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KR950005373A true KR950005373A (ko) | 1995-03-20 |
Family
ID=26803755
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1019940020148A KR950005373A (ko) | 1993-08-16 | 1994-08-16 | 알켄 트랩용의 커다란 포아 사이즈를 갖는 변형된 제오라이트 |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0639400A1 (ko) |
JP (1) | JPH07166852A (ko) |
KR (1) | KR950005373A (ko) |
AU (1) | AU6894994A (ko) |
BR (1) | BR9403249A (ko) |
CA (1) | CA2128562A1 (ko) |
Families Citing this family (11)
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JPH10328561A (ja) * | 1997-06-03 | 1998-12-15 | Honda Motor Co Ltd | 耐熱性hc吸着剤 |
US6096674A (en) * | 1997-06-03 | 2000-08-01 | Honda Giken Kogyo Kabushiki Kaisha | Heat-resistant HC adsorbent |
SE512227C2 (sv) | 1998-06-24 | 2000-02-14 | Flaekt Ab | Sätt att rena rökgaser under uppstart av en panna |
KR100357596B1 (ko) * | 2000-10-17 | 2002-10-25 | 현대자동차주식회사 | 차량용 배기 시스템 |
EP1691047B1 (de) * | 2005-02-15 | 2008-08-13 | Behr GmbH & Co. KG | Abgasreinigungseinrichtung für eine Brennkraftmaschine und Verfahren zum Behandeln von Abgasen einer Brennkraftmaschine |
EP2508725A1 (en) | 2009-12-01 | 2012-10-10 | Toyota Jidosha Kabushiki Kaisha | Exhaust purification device for internal combustion engine |
DE102009060290A1 (de) * | 2009-12-23 | 2011-06-30 | Volkswagen AG, 38440 | Abgasreinigung bei Ottomotoren mit Direkteinspritzung unter Verwendung von Adsorbern mit Partikelabscheidefunktion |
US9463447B2 (en) | 2014-01-29 | 2016-10-11 | Ford Global Technologies, Llc | Hydrocarbon trap with increased zeolite loading and improved adsorption capacity |
US9987626B2 (en) | 2015-08-20 | 2018-06-05 | Ford Global Technologies, Llc | Use of transition metals to reduce cold start emissions |
US10744492B2 (en) | 2017-11-03 | 2020-08-18 | Uop Llc | Adsorbent for contaminant removal from C4 hydrocarbons |
KR102529419B1 (ko) * | 2020-11-24 | 2023-05-08 | 고려대학교 산학협력단 | 양이온 비율을 제어한 제올라이트를 포함하는 탄화수소 흡탈착 복합체 및 이의 제조방법 |
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JPH03141816A (ja) * | 1989-10-27 | 1991-06-17 | Toyota Motor Corp | 排気ガス浄化装置 |
US5051244A (en) * | 1990-07-20 | 1991-09-24 | Uop | Use of a molecular sieve bed to minimize emissions during cold start of internal combustion engines |
CA2094763A1 (en) * | 1992-08-05 | 1994-02-06 | William Hertl | System and method for removing hydrocarbons from gaseous mixtures |
EP0593898B1 (en) * | 1992-10-20 | 1997-01-29 | Corning Incorporated | Exhaust gas conversion method and apparatus using thermally stable zeolites |
-
1994
- 1994-07-21 CA CA002128562A patent/CA2128562A1/en not_active Abandoned
- 1994-07-25 EP EP94111551A patent/EP0639400A1/en not_active Withdrawn
- 1994-08-08 AU AU68949/94A patent/AU6894994A/en not_active Abandoned
- 1994-08-15 BR BR9403249A patent/BR9403249A/pt not_active Application Discontinuation
- 1994-08-16 KR KR1019940020148A patent/KR950005373A/ko not_active Application Discontinuation
- 1994-08-16 JP JP6192484A patent/JPH07166852A/ja not_active Withdrawn
Also Published As
Publication number | Publication date |
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EP0639400A1 (en) | 1995-02-22 |
JPH07166852A (ja) | 1995-06-27 |
BR9403249A (pt) | 1995-08-22 |
AU6894994A (en) | 1995-02-23 |
CA2128562A1 (en) | 1995-02-17 |
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