KR101391005B1 - 열노화에 대해 내성을 갖는 nox 저장 물질 및 트랩 - Google Patents
열노화에 대해 내성을 갖는 nox 저장 물질 및 트랩 Download PDFInfo
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- KR101391005B1 KR101391005B1 KR1020097013366A KR20097013366A KR101391005B1 KR 101391005 B1 KR101391005 B1 KR 101391005B1 KR 1020097013366 A KR1020097013366 A KR 1020097013366A KR 20097013366 A KR20097013366 A KR 20097013366A KR 101391005 B1 KR101391005 B1 KR 101391005B1
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Abstract
Description
Claims (20)
- 40 내지 60 ㎡/g의 BET 표면적을 갖는 분무-건조되고 하소로 제조된 그대로의 알칼리토금속 탄산염/세리아 복합 입자를 포함하는 질소산화물 저장 물질을 포함하는 코팅을 기재 상에 포함하며,상기 세리아가 노화 전에 10 내지 20 nm의 결정 크기를 갖고, 상기 알칼리토금속 탄산염이 노화 전에 20 내지 40 nm의 결정 크기를 갖는 것인질소산화물 저장 촉매.
- 제1항에 있어서, 알칼리토금속 탄산염이 BaCO3를 포함하고, 코팅이 내화성 산화물 입자 상에 지지된, 백금, 팔라듐, 로듐, 이리듐 및 이것들의 혼합물로 이루어진 군에서 선택된 백금족 금속들 중 하나 이상을 추가로 포함하는 질소산화물 저장 촉매.
- 제2항에 있어서, 내화성 산화물 입자가 지르코니아와 란타나 중 하나 이상과 혼합된 산화알루미늄을 포함하고, 상기 산화알루미늄 입자가 150 내지 250 ㎡/g의 표면적을 갖는 질소산화물 저장 촉매.
- 제3항에 있어서, 내화성 산화물 입자가 알루미나 입자를 포함하고, BaCO3가산화알루미늄 입자로 이동하지 않도록 BaCO3가 세리아 입자에 고착된 것인 질소산화물 저장 촉매.
- 제4항에 있어서, BaCO3가 세리아 입자의 기공 내에 고착된 것인 질소산화물 저장 촉매.
- 제5항에 있어서, 산화알루미늄 입자가 0.3 내지 0.8 ㎖/g의 평균 기공 부피를 갖는 질소산화물 저장 촉매.
- 제6항에 있어서, 산화알루미늄 입자 내의 기공이 3 내지 20 ㎚의 평균 기공 직경을 갖는 질소산화물 저장 촉매.
- 삭제
- 삭제
- 제2항에 있어서, 질소산화물 저장 물질이 550 내지 750 ℃에서 하소시킨 분무-건조되고 하소된 물질을 포함하는 질소산화물 저장 촉매.
- 삭제
- 제1항에 따른 질소산화물 저장 촉매를 포함하는 촉매작용성 성분을 포함하는 촉매작용성 트랩 물질을 포함하며, 엔진에 의해 발생되는 배기가스류 내의 NOx의 저감을 위한, 희박 조건과 화학양론적 또는 풍부 조건 사이에서 주기적으로 작동되는 내부 연소 엔진의 배기 통로 내에 배치된 촉매작용성 트랩.
- 제12항에 있어서, 알칼리토금속 탄산염이 BaCO3를 포함하고, 코팅이 내화성 산화물 입자 상에 지지된, 백금, 팔라듐, 로듐, 이리듐 및 이것들의 혼합물로 이루어진 군에서 선택된 백금족 금속들 중 하나 이상을 추가로 포함하는 촉매작용성 트랩.
- 제13항에 있어서, 내화성 산화물 입자가 지르코니아와 란타나 중 하나 이상과 혼합된 산화알루미늄을 포함하고, 상기 산화알루미늄 입자가 150 내지 250 ㎡/g의 표면적을 갖는 촉매작용성 트랩.
- 제14항에 있어서, BaCO3가 산화알루미늄 입자로 이동하지 않도록 BaCO3가 세리아 입자에 고착된 촉매작용성 트랩.
- 제15항에 있어서, BaCO3가 세리아 입자의 기공 내에 고착된 촉매작용성 트랩.
- 삭제
- 제16항에 있어서, 산화알루미늄 입자가 0.3 내지 0.8 ㎖/g의 평균 기공 부피를 갖는 촉매작용성 트랩.
- 제18항에 있어서, 산화알루미늄 입자 내의 기공이 3 내지 20 ㎚의 평균 기공 직경을 갖는 촉매작용성 트랩.
- 삭제
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11/564,494 US20080120970A1 (en) | 2006-11-29 | 2006-11-29 | NOx Storage Materials and Traps Resistant to Thermal Aging |
| US11/564,494 | 2006-11-29 | ||
| PCT/US2007/085759 WO2008067375A1 (en) | 2006-11-29 | 2007-11-28 | Nox storage materials and traps resistant to thermal aging |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20090101913A KR20090101913A (ko) | 2009-09-29 |
| KR101391005B1 true KR101391005B1 (ko) | 2014-04-30 |
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ID=39145176
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020097013366A Active KR101391005B1 (ko) | 2006-11-29 | 2007-11-28 | 열노화에 대해 내성을 갖는 nox 저장 물질 및 트랩 |
Country Status (14)
| Country | Link |
|---|---|
| US (3) | US20080120970A1 (ko) |
| EP (3) | EP3257582A1 (ko) |
| JP (1) | JP2010510884A (ko) |
| KR (1) | KR101391005B1 (ko) |
| CN (1) | CN101610844B (ko) |
| AR (1) | AR064038A1 (ko) |
| BR (1) | BRPI0719512B1 (ko) |
| CA (1) | CA2671020C (ko) |
| DE (2) | DE202007019526U1 (ko) |
| ES (2) | ES2458499T5 (ko) |
| MX (1) | MX2009005675A (ko) |
| RU (1) | RU2009124599A (ko) |
| WO (1) | WO2008067375A1 (ko) |
| ZA (1) | ZA200904435B (ko) |
Families Citing this family (61)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090045214A (ko) * | 2006-06-29 | 2009-05-07 | 우미코레 아게 운트 코 카게 | 삼원 촉매 |
| FR2905371B1 (fr) * | 2006-08-31 | 2010-11-05 | Rhodia Recherches & Tech | Composition a reductibilite elevee a base d'un oxyde de cerium nanometrique sur un support, procede de preparation et utilisation comme catalyseur |
| US20080120970A1 (en) | 2006-11-29 | 2008-05-29 | Marcus Hilgendorff | NOx Storage Materials and Traps Resistant to Thermal Aging |
| JP4853291B2 (ja) * | 2007-01-10 | 2012-01-11 | 日産自動車株式会社 | 排気ガス浄化触媒及びその製造方法 |
| DE502007002874D1 (de) * | 2007-09-28 | 2010-04-01 | Umicore Ag & Co Kg | Entfernung von Partikeln aus dem Abgas von mit überwiegend stöchiometrischem Luft/Kraftstoff-Gemisch betriebenen Verbrennungsmotoren |
| EP2112339A1 (de) * | 2008-04-24 | 2009-10-28 | Umicore AG & Co. KG | Verfahren und Vorrichtung zur Reinigung von Abgasen eines Verbrennungsmotors |
| US8507403B2 (en) | 2008-06-27 | 2013-08-13 | Cabot Corporation | Process for producing exhaust treatment catalyst powders, and their use |
| CN102112211B (zh) * | 2008-07-31 | 2013-12-04 | 巴斯夫欧洲公司 | NOx存储材料和耐热老化捕集器 |
| US8920759B2 (en) * | 2009-03-02 | 2014-12-30 | GM Global Technology Operations LLC | Method and apparatus for reducing NOx emissions from a lean burning hydrocarbon fueled power source |
| JP5565569B2 (ja) * | 2009-04-07 | 2014-08-06 | 株式会社豊田中央研究所 | 排ガス浄化用触媒 |
| US8246923B2 (en) * | 2009-05-18 | 2012-08-21 | Umicore Ag & Co. Kg | High Pd content diesel oxidation catalysts with improved hydrothermal durability |
| US8758695B2 (en) | 2009-08-05 | 2014-06-24 | Basf Se | Treatment system for gasoline engine exhaust gas |
| US8557203B2 (en) * | 2009-11-03 | 2013-10-15 | Umicore Ag & Co. Kg | Architectural diesel oxidation catalyst for enhanced NO2 generator |
| CN101811039B (zh) * | 2010-03-12 | 2012-02-01 | 浙江大学 | 一种硫改性二氧化铈催化剂的制备方法及制备的催化剂 |
| EP2579983B2 (en) | 2010-06-10 | 2023-08-09 | Basf Se | Nox storage catalyst system with reduced rh loading |
| US8784759B2 (en) | 2010-06-10 | 2014-07-22 | Basf Se | NOx storage catalyst with reduced Rh loading |
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| CN101610844B (zh) | 2013-03-20 |
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| EP2104567B2 (en) | 2017-08-16 |
| WO2008067375A1 (en) | 2008-06-05 |
| CA2671020C (en) | 2016-06-21 |
| CN101610844A (zh) | 2009-12-23 |
| CA2671020A1 (en) | 2008-06-05 |
| DE202007019493U1 (de) | 2013-04-10 |
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| US20090304564A1 (en) | 2009-12-10 |
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| JP2010510884A (ja) | 2010-04-08 |
| EP2104567B1 (en) | 2014-03-26 |
| US20120023915A1 (en) | 2012-02-02 |
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