KR910004071B1 - 배기가스 정화용 촉매 - Google Patents

배기가스 정화용 촉매 Download PDF

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Publication number
KR910004071B1
KR910004071B1 KR1019860004045A KR860004045A KR910004071B1 KR 910004071 B1 KR910004071 B1 KR 910004071B1 KR 1019860004045 A KR1019860004045 A KR 1019860004045A KR 860004045 A KR860004045 A KR 860004045A KR 910004071 B1 KR910004071 B1 KR 910004071B1
Authority
KR
South Korea
Prior art keywords
catalyst
alumina
deposited
cerium oxide
rhodium
Prior art date
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
Application number
KR1019860004045A
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English (en)
Korean (ko)
Other versions
KR860008798A (ko
Inventor
도모히사 오오하따
사다오 데루이
에이이찌 시라이시
Original Assignee
닛뽕 쇼꾸바이 가가꾸 고오교 가부시끼가이샤
나까지마 미쓰루
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 닛뽕 쇼꾸바이 가가꾸 고오교 가부시끼가이샤, 나까지마 미쓰루 filed Critical 닛뽕 쇼꾸바이 가가꾸 고오교 가부시끼가이샤
Publication of KR860008798A publication Critical patent/KR860008798A/ko
Application granted granted Critical
Publication of KR910004071B1 publication Critical patent/KR910004071B1/ko
Expired legal-status Critical Current

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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
    • B01J23/54—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/56—Platinum group metals
    • B01J23/63—Platinum group metals with rare earths or actinides
    • 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
    • B01J35/50—Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
    • B01J35/56—Foraminous structures having flow-through passages or channels, e.g. grids or three-dimensional monoliths
    • B01J35/57—Honeycombs
    • 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
    • B01J35/613—10-100 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
    • B01J35/61—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
    • B01J35/50—Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
    • B01J35/56—Foraminous structures having flow-through passages or channels, e.g. grids or three-dimensional monoliths
    • 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)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Environmental & Geological Engineering (AREA)
  • Biomedical Technology (AREA)
  • Combustion & Propulsion (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
KR1019860004045A 1985-05-23 1986-05-23 배기가스 정화용 촉매 Expired KR910004071B1 (ko)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP10937285 1985-05-23
JP109372 1985-05-23
JP13778485 1985-06-26
JP137784 1985-06-26

Publications (2)

Publication Number Publication Date
KR860008798A KR860008798A (ko) 1986-12-18
KR910004071B1 true KR910004071B1 (ko) 1991-06-22

Family

ID=26449133

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019860004045A Expired KR910004071B1 (ko) 1985-05-23 1986-05-23 배기가스 정화용 촉매

Country Status (6)

Country Link
US (1) US4708946A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
EP (1) EP0203525B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS6291244A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
KR (1) KR910004071B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
AT (1) ATE52200T1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE3670579D1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100747167B1 (ko) * 2005-11-10 2007-08-07 현대자동차주식회사 불균일 2중층 코팅구조의 삼원촉매 제조방법

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US4782038C1 (en) * 1987-10-26 2001-04-17 Ford Motor Co Platinum group alumina-supported metal oxidation catalysts and method of making same
JPH0622684B2 (ja) * 1987-11-24 1994-03-30 トヨタ自動車株式会社 排気ガス浄化用モノリス触媒
DE3803122C1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1988-02-03 1989-07-13 Degussa Ag, 6000 Frankfurt, De
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JP2553678B2 (ja) * 1988-12-09 1996-11-13 松下電器産業株式会社 石油ストーブの燃焼ガス浄化用触媒
CA2011484C (en) * 1989-04-19 1997-03-04 Joseph C. Dettling Palladium-containing, ceria-supported platinum catalyst and catalyst assembly including the same
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
US5064803A (en) * 1990-08-31 1991-11-12 Allied-Signal Inc. Preparation of three-way catalysts with highly dispersed ceria
US5081095A (en) * 1990-09-10 1992-01-14 General Motors Corporation Method of making a support containing an alumina-ceria washcoat for a noble metal catalyst
JP3285614B2 (ja) * 1992-07-30 2002-05-27 日本碍子株式会社 排ガス浄化用触媒及びその製造方法
KR100431476B1 (ko) * 1993-06-25 2004-08-25 엥겔하드 코포레이션 적층된촉매복합체
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US20020174603A1 (en) * 2001-03-23 2002-11-28 Shabbir Ahmed Method for generating hydrogen for fuel cells
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JP2003112058A (ja) * 2001-07-30 2003-04-15 Denso Corp セラミック触媒体
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CN107335447B (zh) * 2017-06-15 2020-10-27 华南理工大学 一种用于净化挥发性有机物的催化剂及其制备方法
JP6771005B2 (ja) * 2018-09-12 2020-10-21 イビデン株式会社 ハニカム構造体の製造方法
JP6764451B2 (ja) * 2018-09-12 2020-09-30 イビデン株式会社 ハニカム構造体の製造方法
CN111215065B (zh) * 2018-11-26 2023-03-14 中国科学院大连化学物理研究所 水汽变换催化剂及制备和应用
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KR100747167B1 (ko) * 2005-11-10 2007-08-07 현대자동차주식회사 불균일 2중층 코팅구조의 삼원촉매 제조방법

Also Published As

Publication number Publication date
DE3670579D1 (de) 1990-05-31
JPH0574415B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1993-10-18
US4708946A (en) 1987-11-24
EP0203525A1 (en) 1986-12-03
EP0203525B1 (en) 1990-04-25
JPS6291244A (ja) 1987-04-25
KR860008798A (ko) 1986-12-18
ATE52200T1 (de) 1990-05-15

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