KR102358141B1 - 개선된 열수 안정성 및 ＮＯｘ 전환율을 갖는 ＮＯｘ 저장 촉매 - Google Patents

개선된 열수 안정성 및 ＮＯｘ 전환율을 갖는 ＮＯｘ 저장 촉매 Download PDF

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KR102358141B1
KR102358141B1 KR1020157028137A KR20157028137A KR102358141B1 KR 102358141 B1 KR102358141 B1 KR 102358141B1 KR 1020157028137 A KR1020157028137 A KR 1020157028137A KR 20157028137 A KR20157028137 A KR 20157028137A KR 102358141 B1 KR102358141 B1 KR 102358141B1
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ceria
alkaline earth
storage catalyst
earth metal
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KR20150131126A (ko
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웬-메이 수
신이 웨이
마르쿠스 힐겐도르프
패트릭 버크
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바스프 코포레이션
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/10—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of rare earths
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—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
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9481—Catalyst preceded by an adsorption device without catalytic function for temporary storage of contaminants, e.g. during cold start
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    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B01D53/00—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
    • 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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    • B01D53/9409—Nitrogen oxides
    • B01D53/9413—Processes characterised by a specific catalyst
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  • Chemical & Material Sciences (AREA)
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  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Combustion & Propulsion (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Catalysts (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Processes For Solid Components From Exhaust (AREA)
KR1020157028137A 2013-03-13 2014-03-11 개선된 열수 안정성 및 ＮＯｘ 전환율을 갖는 ＮＯｘ 저장 촉매 Active KR102358141B1 (ko)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201361778871P 2013-03-13 2013-03-13
US61/778,871 2013-03-13
PCT/US2014/023683 WO2014164876A1 (en) 2013-03-13 2014-03-11 Nox storage catalyst with improved hydrothermal stability and nox conversion
US14/204,386 US9610564B2 (en) 2013-03-13 2014-03-11 NOx storage catalyst with improved hydrothermal stability and NOx conversion
US14/204,386 2014-03-11

Publications (2)

Publication Number Publication Date
KR20150131126A KR20150131126A (ko) 2015-11-24
KR102358141B1 true KR102358141B1 (ko) 2022-02-07

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US (1) US9610564B2 (enExample)
EP (1) EP2991761B1 (enExample)
JP (1) JP6554457B2 (enExample)
KR (1) KR102358141B1 (enExample)
CN (1) CN105188920B (enExample)
BR (1) BR112015022359A2 (enExample)
CA (1) CA2903117C (enExample)
MX (1) MX2015012364A (enExample)
RU (1) RU2015143276A (enExample)
WO (1) WO2014164876A1 (enExample)

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KR20210106490A (ko) 2018-12-28 2021-08-30 로디아 오퍼레이션스 희박 nox 포획 촉매 조성물의 제조를 위한 산화세륨의 용도 및 상기 조성물을 사용한 배기 가스의 처리 방법
KR20220025715A (ko) * 2019-06-27 2022-03-03 바스프 코포레이션 적층 촉매 물품 및 당해 촉매 물품의 제조 방법
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JP7344815B2 (ja) 2020-02-28 2023-09-14 株式会社Subaru ガソリンリーンバーンエンジン用ｌｎｔ積層触媒、及びこれを用いた排ガス浄化装置
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KR102621234B1 (ko) * 2021-08-13 2024-01-09 현대자동차 주식회사 알루미나 상에 담지된 나노-세리아의 구조 변형을 통한 황 피독 저항성 개선방법
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