KR950005370A - 내연 기관으로부터의 배기가스를 정제하기 위한 촉매를 촉매독으로부터 보호하는 방법 - Google Patents

내연 기관으로부터의 배기가스를 정제하기 위한 촉매를 촉매독으로부터 보호하는 방법 Download PDF

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KR950005370A
KR950005370A KR1019940019167A KR19940019167A KR950005370A KR 950005370 A KR950005370 A KR 950005370A KR 1019940019167 A KR1019940019167 A KR 1019940019167A KR 19940019167 A KR19940019167 A KR 19940019167A KR 950005370 A KR950005370 A KR 950005370A
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South Korea
Prior art keywords
catalyst
adsorbent
internal combustion
zeolite
zeolites
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KR1019940019167A
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English (en)
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KR100308472B1 (ko
Inventor
린트너 디터
록스 에그베르트
엥글러 베른트
오스트가테 클라우스
Original Assignee
볼프강 메르크, 라인하르트 헤르만
데구사 아크티엔게젤샤프트
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Publication of KR950005370A publication Critical patent/KR950005370A/ko
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Publication of KR100308472B1 publication Critical patent/KR100308472B1/ko

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
    • F01N3/0814—Exhaust 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
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/009—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2250/00—Combinations of different methods of purification
    • F01N2250/12—Combinations of different methods of purification absorption or adsorption, and catalytic conversion
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2330/00—Structure of catalyst support or particle filter
    • F01N2330/02—Metallic plates or honeycombs, e.g. superposed or rolled-up corrugated or otherwise deformed sheet metal
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2330/00—Structure of catalyst support or particle filter
    • F01N2330/06—Ceramic, e.g. monoliths
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2370/00—Selection of materials for exhaust purification
    • F01N2370/22—Selection of materials for exhaust purification used in non-catalytic purification apparatus
    • F01N2370/24—Zeolitic material

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Health & Medical Sciences (AREA)
  • Materials Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)

Abstract

본 발명은 흡착제를 사용하여 내연 기관으로부터의 배기 가스 정제용 촉매를 촉매독으로부터 보호하는 방법에 관한 것이다. 본 발명은 사용되는 흡착제가 고온에 내성인 제올라이트 또는 이러한 제올라이트의 혼합물임을 특징으로 한다.

Description

내연 기관으로부터의 배기가스를 정제하기 위한 촉매를 촉매독으로부터 보호하는 방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
내용 없음

Claims (6)

  1. 흡착제가 고온에 내성인 제올라이트 또는 고온에 내성인 상이한 제올라이트의 혼합물임을 특징으로 하여, 내연 기관으로 부터의 배기 가스를 정제하기 위한 촉매를 흡착제 위에 흡착시킴으로써 촉매독으로부터 보호하는 방법.
  2. 제1항에 있어서, 흡착제가 배기 가스 스트림에서 촉매 정면에 위치하는 벌집 모양의 형태로 균일한 고체 지지체 위에 피막으로서 존재함을 특징으로 하는 방법.
  3. 제1항에 있어서, 흡착제가 촉매의 실제 촉매성 피막 위에 피막으로서 적용됨을 특징으로 하는 방법.
  4. 제1항 내지 제3항 중의 어느 한 항에 있어서, 사용되는 제올라이트가, SiO2/Al2O3몰 비가 8 이상인 알루미늄 제거된 모르데나이트, 알루미늄 제거된 Y-제올라이트 및/또는 ZSM-5 제올라이트임을 특징으로 하는 방법.
  5. 제4항에 있어서, 사용되는 제올라이트가 도핑 원소, 특히 그룹 Cu, Fe, Na 및/또는 K로부터의 원소로 도핑되거나 산성 H-형태로 존재함을 특징으로 하는 방법.
  6. 제5항에 있어서, 사용되는 제올라이트가 이의 이온 교환 용량 내에서 도핑 원소로 도핑됨을 특징으로 하는 방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019940019167A 1993-08-04 1994-08-03 내연기관으로부터의배기가스를정제하기위한촉매를촉매독으로부터보호하는방법 KR100308472B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEP4326121.3 1993-08-04
DE4326121A DE4326121C2 (de) 1993-08-04 1993-08-04 Verfahren zum Schutz von Katalysatoren für die Reinigung der Abgase von Verbrennungskraftmaschinen vor Katalysatorgiften

Publications (2)

Publication Number Publication Date
KR950005370A true KR950005370A (ko) 1995-03-20
KR100308472B1 KR100308472B1 (ko) 2002-02-19

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019940019167A KR100308472B1 (ko) 1993-08-04 1994-08-03 내연기관으로부터의배기가스를정제하기위한촉매를촉매독으로부터보호하는방법

Country Status (5)

Country Link
EP (1) EP0638349B1 (ko)
KR (1) KR100308472B1 (ko)
BR (1) BR9403149A (ko)
DE (2) DE4326121C2 (ko)
ES (1) ES2122096T3 (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190033713A (ko) 2017-09-22 2019-04-01 김택수 축산분뇨, 농수산 부산물 또는 남은 음식물의 혼합발효에 의한 유기질 비료 생산을 위한 퇴비화 장치

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US5804155A (en) * 1992-11-19 1998-09-08 Engelhard Corporation Basic zeolites as hydrocarbon traps for diesel oxidation catalysts
US5899187A (en) * 1996-07-11 1999-05-04 Jenbacher Energiesysteme Aktiengesellschaft Engine arrangement
FR2756008B1 (fr) * 1996-11-19 1998-12-24 Inst Francais Du Petrole Systeme de procede de depollution de gaz d'echappement
DE19741315A1 (de) * 1997-09-19 1999-03-25 Bayerische Motoren Werke Ag Verfahren und Vorrichtung zur Erhöhung der Langzeithaltbarkeit von Bauteilen einer Abgasanlage, insbesondere Abgas-Katalysatoren
DE102006025259A1 (de) * 2006-05-31 2007-12-06 Volkswagen Ag Bivalente Brennkraftmaschine und Verfahren zum Betrieb einer bivalenten Brennkraftmaschine
DE102010003880A1 (de) 2010-04-12 2011-10-13 Durtec Gmbh Mineralische Gasadsorber zur Beseitigung von Ozon aus Abluft/Abgas, Verfahren zu deren Herstellung und Regenerierung
GB201521123D0 (en) * 2015-11-30 2016-01-13 Johnson Matthey Plc Diesel oxidation catalyst having a capture region for exhaust gas impurities

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US4189404A (en) * 1977-01-06 1980-02-19 Engelhard Minerals & Chemicals Corporation Catalyst and process of its preparation
DE3023352A1 (de) * 1980-06-21 1982-01-07 Daimler-Benz Ag, 7000 Stuttgart Verfahren zur entfernung von blei aus dem abgas von ottomotoren
JPS60106535A (ja) * 1983-11-16 1985-06-12 Mitsubishi Heavy Ind Ltd 廃ガス処理用触媒
CA1238628A (en) * 1984-02-22 1988-06-28 Ronald M. Heck Vanadium oxide catalyst for nitrogen oxide reduction and process using the same
DE3719138A1 (de) * 1987-06-09 1988-12-29 Siemens Ag Verbrennungsanlage
JPH01159029A (ja) * 1987-12-16 1989-06-22 Toyota Motor Corp ディーゼルエンジンの排気浄化装置
JPH02149715A (ja) * 1988-11-30 1990-06-08 Mazda Motor Corp エンジン排気ガス異臭発生防止装置
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US5185305A (en) * 1991-11-08 1993-02-09 Ford Motor Company Catalyst system for treating the exhaust from a lean-burn gasoline-fueled engine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190033713A (ko) 2017-09-22 2019-04-01 김택수 축산분뇨, 농수산 부산물 또는 남은 음식물의 혼합발효에 의한 유기질 비료 생산을 위한 퇴비화 장치

Also Published As

Publication number Publication date
KR100308472B1 (ko) 2002-02-19
EP0638349B1 (de) 1998-08-19
BR9403149A (pt) 1996-12-17
DE59406717D1 (de) 1998-09-24
DE4326121A1 (de) 1995-02-09
ES2122096T3 (es) 1998-12-16
DE4326121C2 (de) 1995-05-04
EP0638349A1 (de) 1995-02-15

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