KR940011777A - 디젤엔진 배기가스 정화용 촉매 - Google Patents

디젤엔진 배기가스 정화용 촉매 Download PDF

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Publication number
KR940011777A
KR940011777A KR1019930025830A KR930025830A KR940011777A KR 940011777 A KR940011777 A KR 940011777A KR 1019930025830 A KR1019930025830 A KR 1019930025830A KR 930025830 A KR930025830 A KR 930025830A KR 940011777 A KR940011777 A KR 940011777A
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KR
South Korea
Prior art keywords
catalyst
refractory
exhaust gas
diesel engine
dimensional structure
Prior art date
Application number
KR1019930025830A
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English (en)
Inventor
마사히또 기다
우찌 마고또 호리
Original Assignee
다나까 소오조오
가부시끼가이샤 닛뽕쇼꾸바이
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Application filed by 다나까 소오조오, 가부시끼가이샤 닛뽕쇼꾸바이 filed Critical 다나까 소오조오
Publication of KR940011777A publication Critical patent/KR940011777A/ko

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Classifications

    • 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
    • B01D53/944—Simultaneously removing carbon monoxide, hydrocarbons or carbon making use of oxidation catalysts
    • 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
    • F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
    • 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
    • B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B01J23/74—Iron group metals
    • B01J23/745—Iron
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B3/00—Engines characterised by air compression and subsequent fuel addition
    • F02B3/06—Engines characterised by air compression and subsequent fuel addition with compression ignition
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters

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

Abstract

본 발명은 활성 성분으로서 철을 함유하는 디젤 엔진 배기가스의 정화용 촉매 뿐만아니라 내화성 삼차원 구조체와 내화성 삼차원 구조체에 증착된 내화성 무기 산화물 및 철을 함유하는 촉매성분을 포함하는 디젤 엔진 배기가스의 정화용 촉매에 관한 것이다.
디젤 엔진 배기가스가 저온일지라도 탄질 미립자, 미연소 탄화수소, 일산화 탄소등의 디젤 엔진 배기가스에 존재하는 유해물질을 연소하여 제거할 수 있으며, 또한 고온에서 상기 가스가 존재할때 이산화황으로부터 황산염의 형성을 억제할 수 있다.

Description

디젤엔진 배기가스 정화용 촉매
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (4)

  1. 활성 성분으로서 철을 함유하는 디젤 엔진 배기가스의 전환용 촉매.
  2. 내화성 3차원 구조체와 내화성 3차원 구조체상에 증착된 내화성 무기 산화물 및 철을 함유하는 촉매성분을 포함하는 디젤 엔진 배기가스의 전환용 촉매.
  3. 제2항에 있어서, 내화성 무기 산화물이 활성 알루미나, 실리카, 티타니아, 지르코니아, 실리카-알루미나, 알루미나-지르코니아, 알루미나-티타이나, 실리카-티타니아, 실리카-지르코니아 및 티타니아-지르코니아로 이루어진 군에서 선택된 하나 이상의 산화물인 촉매.
  4. 제2항에 있어서, 내화성 3차원 구조체가 오우픈-플루오 메탈릭 허니코움(open-flow metallic honeycomb) 또는 오우픈-플로우 세라믹 허니코움 인 촉매.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019930025830A 1992-11-30 1993-11-30 디젤엔진 배기가스 정화용 촉매 KR940011777A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP92-319,975 1992-11-30
JP31997592 1992-11-30

Publications (1)

Publication Number Publication Date
KR940011777A true KR940011777A (ko) 1994-06-22

Family

ID=18116350

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019930025830A KR940011777A (ko) 1992-11-30 1993-11-30 디젤엔진 배기가스 정화용 촉매

Country Status (3)

Country Link
EP (1) EP0600442A1 (ko)
KR (1) KR940011777A (ko)
CA (1) CA2110308A1 (ko)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6013599A (en) 1998-07-15 2000-01-11 Redem Corporation Self-regenerating diesel exhaust particulate filter and material
DE102004028276B4 (de) * 2004-06-11 2008-08-21 Universität Karlsruhe Vorrichtung zur Reinigung von Abgasen einer Verbrennungskraftmaschine
FR2943927B1 (fr) * 2009-04-02 2012-03-30 Peugeot Citroen Automobiles Sa Filtre a particules pour moteur a combustion interne
US9616384B2 (en) 2014-06-11 2017-04-11 Basf Se Base metal catalyst
EP2982435A1 (de) 2014-08-07 2016-02-10 Kronos International, Inc. Verfahren zur Herstellung eines kohlenstoffhaltigen Photokatalysators auf Basis von Titandioxid

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3430870A1 (de) * 1984-08-22 1986-02-27 Didier Engineering Gmbh, 4300 Essen Verfahren zur abgasreinigung
JP3113662B2 (ja) * 1990-02-26 2000-12-04 株式会社日本触媒 ディーゼルエンジン排ガス浄化用触媒体
JP3061399B2 (ja) * 1990-06-20 2000-07-10 株式会社日本触媒 ディーゼルエンジン排ガス浄化用触媒および浄化方法

Also Published As

Publication number Publication date
CA2110308A1 (en) 1994-05-31
EP0600442A1 (en) 1994-06-08

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