KR102194065B1 - 큰 입자 분자체를 사용하는 촉매 조성물, 촉매 물품, 시스템 및 방법 - Google Patents
큰 입자 분자체를 사용하는 촉매 조성물, 촉매 물품, 시스템 및 방법 Download PDFInfo
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Abstract
Description
도 2는 비교 촉매 A의 제조에서 사용된 제올라이트의 SEM 사진이고,
도 3은 촉매 B의 제조에서 사용된 제올라이트의 SEM 사진이고,
도 4는 촉매 A, B 및 C의 입자 크기 분석의 그래프이고,
도 5는 촉매 C의 제조에서 사용된 제올라이트의 SEM 사진이고,
도 6은 촉매 B, C 및 D의 입자 크기 분석의 그래프이고,
도 7은 비교 촉매 A로부터의 워시코트의 SEM 사진이고,
도 8은 촉매 D로부터의 워시코트의 SEM 사진이고,
도 9는 촉매 C로부터의 워시코트의 SEM 사진이다.
Claims (19)
- 내화 금속 산화물 지지체 상에 지지된 백금족 금속을 포함하는 워시코트를 포함하고 분자체 입자를 추가로 포함하는, 희박 연소 내연 엔진으로부터의 배기 가스를 처리하기 위한 촉매 조성물이며, 여기서 분자체 입자의 90% 초과가 1μm 초과의 입자 크기 및 50 마이크로미터 미만의 d50 (중앙 직경 크기)을 갖고, 분자체가 표면 코팅을 갖지 않는 것인 촉매 조성물.
- 제1항에 있어서, 백금족 금속의 일부가 분자체 입자 상에 지지된 것인 촉매 조성물.
- 제1항 또는 제2항에 있어서, 분자체 입자의 95% 초과, 또는 96% 초과가 1μm 초과의 입자 크기를 갖는 것인 촉매 조성물.
- 제1항 또는 제2항에 있어서, 분자체 입자가 결합제와 혼합된 분무-건조된 입자인 촉매 조성물.
- 제1항 또는 제2항에 있어서, 백금족 금속이 백금 및 팔라듐을 포함하는 것인 촉매 조성물.
- 제1항 또는 제2항에 있어서, 분자체 입자의 90% 초과가 1μm 초과의 크기를 갖는 1차 결정을 포함하는 것인 촉매 조성물.
- 제1항 또는 제2항에 있어서, 분자체 입자가 산화 촉매 슬러리 제조 동안 구조의 물리적 완전성을 유지하고 응집된 채로 남는 1차 결정의 응집체인 촉매 조성물.
- 제1항 또는 제2항에 있어서, 분자체 입자 성분이 96%의 1μm 초과의 입자 및 95%의 2μm 초과의 입자를 포함하는 것인 촉매 조성물.
- 제1항 또는 제2항에 있어서, 분자체 입자 성분이 96%의 1μm 내지 10μm 범위의 입자를 포함하는 것인 촉매 조성물.
- 제1항 또는 제2항에 있어서, 분자체 입자가 파우자사이트, 차바자이트, 클리놉틸로라이트, 모데나이트, 실리칼라이트, 제올라이트 X, 제올라이트 Y, 고안정성 제올라이트 Y (ultrastable zeolite Y), ZSM-5, ZSM-12, SSZ-13, SAPO-5, SAPO-37, 오프레타이트, 베타 제올라이트 및 그의 조합으로 이루어진 군으로부터 선택된 제올라이트인 촉매 조성물.
- 제10항에 있어서, 제올라이트가 H-베타인 촉매 조성물.
- 제10항에 있어서, 제올라이트가 일봉(monomodal) 입자 크기 분포를 갖는 것인 촉매 조성물.
- 탄화수소, 일산화탄소 및 질소 산화물을 함유하는 희박 연소 내연 엔진으로부터의 배기 가스를 처리하기 위한,
길이, 유입구 단부 및 유출구 단부를 갖는 캐리어 기재, 캐리어 상의 산화 촉매 물질을 포함하며, 상기 산화 촉매 물질은 제1항 또는 제2항의 촉매 조성물을 포함하는 것인 촉매 물품. - 제13항에 있어서, 희박 NOx 트랩 (LNT), 디젤 산화 촉매 (DOC) 및 촉매화된 매연 필터 (CSF)로 이루어진 군으로부터 선택된 촉매 물품.
- 제13항에 따른 촉매 물품 상에 배기 가스를 유동시키는 것을 포함하는, 탄화수소, 일산화탄소 및 질소 산화물을 함유하는 희박 연소 엔진으로부터의 배기 가스를 처리하는 방법.
- 내화 금속 산화물 지지체 상에 지지된 백금족 금속을 포함하는 워시코트를 포함하고 분자체 입자를 추가로 포함하는, 희박 연소 내연 엔진으로부터의 배기 가스를 처리하기 위한 촉매 조성물이며, 여기서 분자체 입자의 90% 초과가 1μm 초과의 입자 크기 및 50 마이크로미터 미만의 d50 (중앙 직경 크기)을 갖고, 조성물이 실리카; 세리아; 포스페이트; 실리카, 세리아, 및 포스페이트의 조합; 및 유기 결합제로 이루어진 군으로부터 선택된 결합체를 추가로 포함하는 것인 촉매 조성물.
- 내화 금속 산화물 지지체 상에 지지된 백금족 금속을 포함하는 워시코트를 포함하고 분자체 입자를 추가로 포함하는, 희박 연소 내연 엔진으로부터의 배기 가스를 처리하기 위한 촉매 조성물이며, 여기서 분자체 입자의 90% 초과가 1μm 초과의 입자 크기 및 50 마이크로미터 미만의 d50 (중앙 직경 크기)을 갖고, 조성물이 알칼리 토류 금속 성분을 추가로 포함하는 것인 촉매 조성물.
- 내화 금속 산화물 지지체 상에 지지된 백금족 금속을 포함하고 비-응집된 분자체 입자를 추가로 포함하는, 희박 연소 내연 엔진으로부터의 배기 가스를 처리하기 위한 촉매 조성물이며, 여기서 분자체 입자의 90% 초과가 1μm 초과의 입자 크기 및 50 마이크로미터 미만의 d50 (중앙 직경 크기)을 갖는 것인 촉매 조성물.
- 내화 금속 산화물 지지체 상에 지지된 백금족 금속을 포함하고 분자체 입자 및 결합제를 포함하는 응집된 입자를 추가로 포함하는, 희박 연소 내연 엔진으로부터의 배기 가스를 처리하기 위한 촉매 조성물이며, 여기서 응집된 입자가 50 마이크로미터 미만의 d50 (중앙 직경 크기)을 갖고 분자체 입자의 90% 초과가 1μm 초과의 크기를 갖는 1차 결정을 포함하는 것인 촉매 조성물.
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US61/736,387 | 2012-12-12 | ||
US14/104,716 US9321042B2 (en) | 2012-12-12 | 2013-12-12 | Catalyst compositions, catalytic articles, systems and processes using large particle molecular sieves |
US14/104,716 | 2013-12-12 | ||
PCT/US2013/074750 WO2014093666A1 (en) | 2012-12-12 | 2013-12-12 | Catalyst compositions, catalytic articles, systems and processes using large particle molecular sieves |
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EP (1) | EP2931423B1 (ko) |
JP (1) | JP6509738B2 (ko) |
KR (1) | KR102194065B1 (ko) |
CN (1) | CN104837557B (ko) |
CA (1) | CA2892683A1 (ko) |
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CN104837557B (zh) | 2018-06-01 |
JP2016506294A (ja) | 2016-03-03 |
EP2931423A1 (en) | 2015-10-21 |
JP6509738B2 (ja) | 2019-05-08 |
US20140170043A1 (en) | 2014-06-19 |
CN104837557A (zh) | 2015-08-12 |
US9321042B2 (en) | 2016-04-26 |
EP2931423B1 (en) | 2021-10-27 |
WO2014093666A1 (en) | 2014-06-19 |
KR20150093693A (ko) | 2015-08-18 |
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