KR100255093B1 - 배기가스 촉매용 피복 분산액 - Google Patents

배기가스 촉매용 피복 분산액 Download PDF

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Publication number
KR100255093B1
KR100255093B1 KR1019930001922A KR930001922A KR100255093B1 KR 100255093 B1 KR100255093 B1 KR 100255093B1 KR 1019930001922 A KR1019930001922 A KR 1019930001922A KR 930001922 A KR930001922 A KR 930001922A KR 100255093 B1 KR100255093 B1 KR 100255093B1
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South Korea
Prior art keywords
catalyst
dispersion
coating
oxide
coated
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
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KR1019930001922A
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English (en)
Korean (ko)
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KR930017616A (ko
Inventor
도메슬레 라이너
앵글러 베른트
코베르스타인 에드가르
록스 에그베르트
오스트가테 클라우스
Original Assignee
볼커 버그달
데구사 (악티엔)게젤샤프트
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Priority claimed from DE4204421A external-priority patent/DE4204421C2/de
Application filed by 볼커 버그달, 데구사 (악티엔)게젤샤프트 filed Critical 볼커 버그달
Publication of KR930017616A publication Critical patent/KR930017616A/ko
Application granted granted Critical
Publication of KR100255093B1 publication Critical patent/KR100255093B1/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
    • B01D53/9445—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC]
    • B01D53/945—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC] characterised by a specific catalyst
    • 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
    • B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
    • 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
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • 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
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/02—Impregnation, coating or precipitation
    • B01J37/0215—Coating
    • 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
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/02—Impregnation, coating or precipitation
    • B01J37/03—Precipitation; Co-precipitation
    • B01J37/038—Precipitation; Co-precipitation to form slurries or suspensions, e.g. a washcoat
    • 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
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J35/61—Surface area
    • B01J35/615—100-500 m2/g
    • 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
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J35/63—Pore volume
    • B01J35/633—Pore volume less than 0.5 ml/g
    • 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
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J35/63—Pore volume
    • B01J35/635—0.5-1.0 ml/g
    • 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
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J35/63—Pore volume
    • B01J35/638—Pore volume more than 1.0 ml/g
    • 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
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J35/64—Pore diameter
    • B01J35/647—2-50 nm
    • 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
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J35/64—Pore diameter
    • B01J35/651—50-500 nm
    • 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
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Combustion & Propulsion (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)
KR1019930001922A 1992-02-14 1993-02-12 배기가스 촉매용 피복 분산액 Expired - Fee Related KR100255093B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4204421A DE4204421C2 (de) 1992-02-14 1992-02-14 Katalysator für die Reinigung der Abgase von Brennkraftmaschinen
DEP4204421.9 1992-02-14

Publications (2)

Publication Number Publication Date
KR930017616A KR930017616A (ko) 1993-09-20
KR100255093B1 true KR100255093B1 (ko) 2000-05-01

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019930001922A Expired - Fee Related KR100255093B1 (ko) 1992-02-14 1993-02-12 배기가스 촉매용 피복 분산액

Country Status (19)

Country Link
US (1) US5496788A (https=)
EP (1) EP0556554B1 (https=)
JP (1) JP3238511B2 (https=)
KR (1) KR100255093B1 (https=)
CN (1) CN1041805C (https=)
AU (1) AU653095B2 (https=)
BR (1) BR9300548A (https=)
CA (1) CA2089397C (https=)
CZ (1) CZ380092A3 (https=)
DE (2) DE4244712C2 (https=)
ES (1) ES2108769T3 (https=)
HU (1) HU215707B (https=)
MX (1) MX9300780A (https=)
PL (1) PL178211B1 (https=)
SK (1) SK380092A3 (https=)
TR (1) TR27626A (https=)
TW (1) TW296350B (https=)
UA (1) UA34421C2 (https=)
ZA (1) ZA931006B (https=)

Cited By (2)

* Cited by examiner, † Cited by third party
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KR20150122219A (ko) * 2013-02-26 2015-10-30 존슨 맛쎄이 퍼블릭 리미티드 컴파니 내연 엔진 배기 가스 처리를 위한 산화 촉매
KR102944753B1 (ko) * 2019-05-06 2026-03-31 바스프 모바일 에미션스 카탈리스츠 엘엘씨 선택적 접촉 환원 현탁액

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JP3409894B2 (ja) * 1993-11-17 2003-05-26 トヨタ自動車株式会社 排ガス浄化用触媒及び排ガス浄化方法
JP3511314B2 (ja) * 1994-07-12 2004-03-29 株式会社キャタラー 排気ガス浄化用触媒および排気ガス浄化方法
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Publication number Priority date Publication date Assignee Title
KR20150122219A (ko) * 2013-02-26 2015-10-30 존슨 맛쎄이 퍼블릭 리미티드 컴파니 내연 엔진 배기 가스 처리를 위한 산화 촉매
KR102275358B1 (ko) * 2013-02-26 2021-07-09 존슨 맛쎄이 퍼블릭 리미티드 컴파니 내연 엔진 배기 가스 처리를 위한 산화 촉매
KR102944753B1 (ko) * 2019-05-06 2026-03-31 바스프 모바일 에미션스 카탈리스츠 엘엘씨 선택적 접촉 환원 현탁액

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UA34421C2 (uk) 2001-03-15
JPH067683A (ja) 1994-01-18
AU3302593A (en) 1993-08-19
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JP3238511B2 (ja) 2001-12-17
PL297715A1 (en) 1993-11-15
TR27626A (tr) 1995-06-14
HU9300382D0 (en) 1993-05-28
HUT63348A (en) 1993-08-30
SK380092A3 (en) 1994-08-10
DE4244712C2 (de) 1996-09-05
KR930017616A (ko) 1993-09-20
AU653095B2 (en) 1994-09-15
CN1041805C (zh) 1999-01-27
EP0556554A2 (de) 1993-08-25
DE59307358D1 (de) 1997-10-23
CZ380092A3 (en) 1993-12-15
DE4244712A1 (de) 1994-04-14
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