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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    • BPERFORMING OPERATIONS; TRANSPORTING
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    • B01J35/61310-100 m2/g
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    • B01D2255/91NOx-storage component incorporated in the catalyst
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    • B01J37/0009Use of binding agents; Moulding; Pressing; Powdering; Granulating; Addition of materials ameliorating the mechanical properties of the product 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)
  • Environmental & Geological Engineering (AREA)
  • 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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Application Number Priority Date Filing Date Title
EP08161545 2008-07-31
EP08161545.2 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 (enExample)
EP (1) EP2307122B1 (enExample)
JP (1) JP5719294B2 (enExample)
KR (1) KR101621110B1 (enExample)
CN (1) CN102112211B (enExample)
AR (1) AR073469A1 (enExample)
BR (1) BRPI0916334B1 (enExample)
CA (1) CA2732608C (enExample)
ES (1) ES2522965T3 (enExample)
RU (1) RU2504431C2 (enExample)
WO (1) WO2010012677A1 (enExample)
ZA (1) ZA201101465B (enExample)

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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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US8784759B2 (en) 2010-06-10 2014-07-22 Basf Se NOx storage catalyst with reduced Rh loading
US8950174B2 (en) * 2010-09-02 2015-02-10 Basf Se Catalysts for gasoline lean burn engines with improved NH3-formation activity
KR20140077937A (ko) * 2011-09-23 2014-06-24 슈빈 인코포레이티드 혼합상 산화물 촉매
CN104334272B (zh) * 2012-06-06 2018-07-06 优美科股份公司及两合公司 用于汽油颗粒过滤器上游的启动催化剂
EP2858738B1 (en) 2012-06-06 2019-11-20 Umicore Ag & Co. Kg Three-way-catalyst system
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CN106999913A (zh) * 2014-07-29 2017-08-01 Sdc材料公司 具有被动氮氧化物吸附区的区域涂覆的催化衬底
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KR102483435B1 (ko) 2014-12-08 2023-01-02 바스프 코포레이션 배기 시스템용 아산화질소 제거 촉매
RU2017131043A (ru) * 2015-02-05 2019-03-05 Джонсон Мэтти Паблик Лимитед Компани Катализатор тройного действия
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CN107735161B (zh) 2015-03-03 2021-05-04 巴斯夫公司 NOx吸附剂催化剂、方法和系统
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