KR101621110B1 - 열적 노화에 내성을 지닌 NOx 저장 물질 및 트랩 - Google Patents

열적 노화에 내성을 지닌 NOx 저장 물질 및 트랩 Download PDF

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KR101621110B1
KR101621110B1 KR1020117003401A KR20117003401A KR101621110B1 KR 101621110 B1 KR101621110 B1 KR 101621110B1 KR 1020117003401 A KR1020117003401 A KR 1020117003401A KR 20117003401 A KR20117003401 A KR 20117003401A KR 101621110 B1 KR101621110 B1 KR 101621110B1
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washcoat
slurry
layer
catalyst
alumina
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KR20110049798A (ko
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마르쿠스 힐겐도르프
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바스프 에스이
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N3/00Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/0807Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
    • F01N3/0814Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents combined with catalytic converters, e.g. NOx absorption/storage reduction catalysts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/92Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9404Removing only nitrogen compounds
    • B01D53/9409Nitrogen oxides
    • B01D53/9413Processes characterised by a specific catalyst
    • B01D53/9422Processes characterised by a specific catalyst for removing nitrogen oxides by NOx storage or reduction by cyclic switching between lean and rich exhaust gases (LNT, NSC, NSR)
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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    • B01J23/38Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
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    • B01J35/50Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
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    • BPERFORMING OPERATIONS; TRANSPORTING
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    • B01J35/61310-100 m2/g
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    • B01J37/02Impregnation, coating or precipitation
    • B01J37/0215Coating
    • B01J37/0219Coating the coating containing organic compounds
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    • B01D2255/91NOx-storage component incorporated in the catalyst
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    • B01J37/0036Grinding
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    • B01J37/08Heat treatment

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • Health & Medical Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Biomedical Technology (AREA)
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  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Crystallography & Structural Chemistry (AREA)
KR1020117003401A 2008-07-31 2009-07-27 열적 노화에 내성을 지닌 NOx 저장 물질 및 트랩 Active KR101621110B1 (ko)

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EP08161545.2 2008-07-31
EP08161545 2008-07-31

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KR20110049798A KR20110049798A (ko) 2011-05-12
KR101621110B1 true KR101621110B1 (ko) 2016-05-23

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US (1) US9540980B2 (https=)
EP (1) EP2307122B1 (https=)
JP (1) JP5719294B2 (https=)
KR (1) KR101621110B1 (https=)
CN (1) CN102112211B (https=)
AR (1) AR073469A1 (https=)
BR (1) BRPI0916334B1 (https=)
CA (1) CA2732608C (https=)
ES (1) ES2522965T3 (https=)
RU (1) RU2504431C2 (https=)
WO (1) WO2010012677A1 (https=)
ZA (1) ZA201101465B (https=)

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KR20210041998A (ko) 2019-10-08 2021-04-16 고려대학교 산학협력단 세리아-알루미나 복합 담지체를 이용한 저온 질소산화물 제거 촉매 및 이의 제조 방법
US11772090B2 (en) 2019-10-08 2023-10-03 Korea University Research And Business Foundation Low-temperature de-NOx catalyst using ceria-alumina complex support and manufacturing method thereof

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WO2011154913A1 (en) * 2010-06-10 2011-12-15 Basf Se Nox storage catalyst with improved hydrocarbon conversion activity
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