KR860000890A - 내연기관의 배기가스 처리용 다기능 촉매 - Google Patents

내연기관의 배기가스 처리용 다기능 촉매 Download PDF

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Publication number
KR860000890A
KR860000890A KR1019850005192A KR850005192A KR860000890A KR 860000890 A KR860000890 A KR 860000890A KR 1019850005192 A KR1019850005192 A KR 1019850005192A KR 850005192 A KR850005192 A KR 850005192A KR 860000890 A KR860000890 A KR 860000890A
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South Korea
Prior art keywords
exhaust gas
gas treatment
combustion engine
internal combustion
multifunctional catalyst
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KR1019850005192A
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English (en)
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KR920005084B1 (ko
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블랑좌르(외 1) 질베르
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프로 -까딸리즈
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    • 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
    • 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
    • B01J23/89—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals
    • B01J23/8933—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals also combined with metals, or metal oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/894—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals also combined with metals, or metal oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with rare earths or actinides
    • 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
    • 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
    • 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
    • B01J23/89—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals

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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)

Abstract

내용 없음

Description

내연기관의 배기가스 처리용 다기능 촉매
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (9)

  1. 함침법으로써 지르코늄, 세륨, 그리고 적절하다면 이리듐과 로듐을 구성하는 군집에서 적어도 하나의 금속, 철 및 팔라듐으로 구성되는 활성상을 지지체에 석출시킨 것을 특징으로 하는 내연기관의 배기가스 처리용 다기능 촉매.
  2. 제1항에 있어서, 상기 팔라듐 함량이 0.04∼3w/o 인 것을 특징으로 하는 내연기관의 배기가스 처리용 다기능 촉매.
  3. 제2항에 있어서, 상기 팔라듐 한량이 0.05∼0.5w/o인 것을 특징으로 하는 내연기관의 배기가스 처리용 다기능 촉매.
  4. 제1항에 있어서, 이리듐과 로듐으로 구성되는 군집중의 금속함량이 0.002∼0.3w/o 인 것을 특징으로 하는 내연기관의 배기가스 처리용 다기능 촉매.
  5. 제4항에 있어서, 상기 함량이 0.005∼0.1w/o 인 것을 특징으로 하는 배기가스 처리용 다기능 촉매.
  6. 제1항에 있어서, 세륨과 지르코늄의 함량이 0.1∼10w/o인 것을 특징으로 하는 내연기관의 배기가스 처리용 다기능 촉매.
  7. 제6항에 있어서, 세륨함량이 0.3∼0.5w/o인 것을 특징으로 하는 내연기관의 배기가스 처리용 다기능 촉매.
  8. 제6항에 있어서, 지르코늄함량이 0.1∼6w/o인 것을 특징으로 하는 내연기관의 배기가스 처리용 다기능 촉매.
  9. 상기 항중 어느 한항에 있어서, 850℃ 에서 100시간 동안 시효후, 화학흡착된 일산화탄소의 체적이 다음 관계식으로부터 계산된 일산화탄소의 이론 체적에 대해 적어도 60%를 나타내는 것이 특징인 내연기관의 배기가스 처리용 다기능 촉매.
    (일산화탄소의 흡착 축정에 사용된 시편에 내재하는 백금, 로듐 및 팔라듐의 그램원자수; 백극 P1g, 로듐 P2g, 팔라듄 P3,)
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019850005192A 1984-07-30 1985-07-20 내연기관의 배기가스 처리용 다기능 촉매 KR920005084B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR84.12047 1984-07-30
FR8412047A FR2568143B1 (fr) 1984-07-30 1984-07-30 Catalyseur et procede pour le traitement des gaz d'echappement des moteurs a combustion interne
FR8412047 1984-07-30

Publications (2)

Publication Number Publication Date
KR860000890A true KR860000890A (ko) 1986-02-20
KR920005084B1 KR920005084B1 (ko) 1992-06-26

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KR1019850005192A KR920005084B1 (ko) 1984-07-30 1985-07-20 내연기관의 배기가스 처리용 다기능 촉매

Country Status (6)

Country Link
US (1) US4680282A (ko)
EP (1) EP0170588B1 (ko)
JP (1) JPS6193832A (ko)
KR (1) KR920005084B1 (ko)
DE (1) DE3563514D1 (ko)
FR (1) FR2568143B1 (ko)

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JPH0675675B2 (ja) * 1986-11-04 1994-09-28 トヨタ自動車株式会社 排気ガス浄化用触媒
CN1004992B (zh) * 1986-07-30 1989-08-16 北京工业大学 制备稀土金属复合氧化物/合金蜂窝体催化剂的方法
JPS6388040A (ja) * 1986-09-30 1988-04-19 Nippon Engeruharudo Kk 車輌用排気ガス浄化用触媒及びその製造方法
JPS6470146A (en) * 1987-06-24 1989-03-15 Toyota Motor Corp Catalyst for purifying exhaust gas
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Also Published As

Publication number Publication date
JPS6193832A (ja) 1986-05-12
FR2568143A1 (fr) 1986-01-31
EP0170588B1 (fr) 1988-06-29
EP0170588A1 (fr) 1986-02-05
DE3563514D1 (en) 1988-08-04
FR2568143B1 (fr) 1986-12-05
KR920005084B1 (ko) 1992-06-26
US4680282A (en) 1987-07-14
JPH0480738B2 (ko) 1992-12-21

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