KR900009132A - 황화수소의 발생을 억제하는 배기가스 정화용 촉매 - Google Patents

황화수소의 발생을 억제하는 배기가스 정화용 촉매 Download PDF

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KR900009132A
KR900009132A KR1019890008772A KR890008772A KR900009132A KR 900009132 A KR900009132 A KR 900009132A KR 1019890008772 A KR1019890008772 A KR 1019890008772A KR 890008772 A KR890008772 A KR 890008772A KR 900009132 A KR900009132 A KR 900009132A
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catalyst
active alumina
range
weight
supporting
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KR1019890008772A
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KR940010935B1 (ko
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도모히사 오하따
가즈오 쓰찌따니
에이찌 시라이시
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니까지마 미쓰루
닛뽕 쇼꾸바이가가꾸고오교 가부시끼가이샤
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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
    • 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
    • B01J23/58—Platinum group metals with alkali- or alkaline earth 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
    • B01J23/38—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
    • B01J23/892—Nickel and noble 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
    • B01J35/50—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
    • 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
    • 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)

Abstract

내용 없음.

Description

황화수소의 발생을 억제하는 배기가스 정화용 촉매
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (11)

  1. (a) 5∼30중량%범위의 백금 및/ 또는 팔라듐과 1 ~ 20중량%범위의 로듐을 지지하는 활성 알루미나, (b) 세륨 산화물, (c) 활성 알루미나 함유하는 촉매 조성물 또는 (d) 알칼리 금속을 더 함유하는 촉매 조성물을 단일체 구조의 벌집형 담체 상에 코우팅 하고 지지하는 것에 의해 수득되는 황화수소 발생을 억제하는 배기 가스 정화용 촉매.
  2. 제1항에 있어서, 담체 1ℓ 당 1∼20g의 활성 알루미나 (a), 50∼200g의 활성 알루미나 (c) 및 CeO2로서 10∼150g의 세륨 산화물(b)가 지지되는 촉매.
  3. 제1항에 있어서, 알칼리 금속이 나트륨, 칼륨, 루비듐 및 세슘으로 부터 선택되는 적어도 하나를 함유하는 촉매.
  4. 제1항에 있어서, 촉매 1ℓ 당 알칼리 금속이 금속으로서 0.5∼30g의 범위로 지지되는 촉매.
  5. (a) 5∼30중량% 범위의 백금 및 팔라듐과 1∼20 중량%범위의 로듐을 지지하는 활성 알루미나, (b)세륨 산화물 및 (c) 활성 알루미나 및 (e) 니켈 산화물을 함유하는 촉매 조성물을 단일체 구조의 벌집형담체 상에 코우팅하고, 지지하는 것에 의해 수득되는 황화 수소 발생을 억제하는 배기가스 정화용 촉매.
  6. 제5항에 있어서, 니켈 산화물(d)의 평균 입자직경이 0.1∼10 미크론 범위내인 촉매.
  7. 제5항에 있어서, 담체 1ℓ당 1∼20g의 활성 알루미나(a), 50∼200g의 활성알루미나(c), CeO2로서 10∼150 g의 세륨 산화물(b) 및 1∼30g의 니켈 산화물(e) 지지되는 촉매.
  8. (a) 5∼30 중량%범위의 백금 및/ 또는 팔라듐과 1∼20중량%범위의 로듐을 지지하는 활성 알루미나, (b) 세륨 산화물, (c) 활성 알루미나, (e) 니켈 산화물 및 (d) 알칼리 금속을 함유하는 촉매 조성물을 단일체 구조의 벌집형 담체상에 코우팅하고 지지하는 것에 의해 수득되는 황화 수소 발생을 억제하는 배기가스 정화용 촉매.
  9. 제8항에 있어서, 담체 1ℓ당 1∼20g의 활성 알루미나 (a), 50∼200g의 활성 알루미나(c), CeO2로서 10∼150g의 세륨 산화물 (b), 0.5 ~ 30g의 니켈 산화물(e) 및 금속으로서 0.5∼30g의 알칼리 금속(d)를 지지하여 수득되는 촉매.
  10. 제8항에 있어서, 니켈 산화물(d)의 평균입자 직경이 0.1 ~ 10 미크론 범위내인 촉매.
  11. 제8항에 있어서, 알칼리 금속이 나트륨, 칼륨, 루비듐 및 세슘으로 부터 선택되는 적어도 하나인 촉매.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019890008772A 1988-12-09 1989-06-24 황화수소의 발생을 억제하는 배기가스 정화용 촉매 KR940010935B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP310,169/88 1988-12-09
JP63-310169 1988-12-09
JP63310169A JP2598817B2 (ja) 1988-12-09 1988-12-09 排ガス浄化用触媒

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Publication Number Publication Date
KR900009132A true KR900009132A (ko) 1990-07-02
KR940010935B1 KR940010935B1 (ko) 1994-11-19

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KR1019890008772A KR940010935B1 (ko) 1988-12-09 1989-06-24 황화수소의 발생을 억제하는 배기가스 정화용 촉매

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EP (1) EP0372156B1 (ko)
JP (1) JP2598817B2 (ko)
KR (1) KR940010935B1 (ko)
CA (1) CA1333385C (ko)
DE (1) DE68909013T2 (ko)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4098835B2 (ja) * 1993-12-07 2008-06-11 トヨタ自動車株式会社 排気ガス浄化用触媒
JP3363564B2 (ja) * 1994-02-04 2003-01-08 トヨタ自動車株式会社 排ガス浄化用触媒
JPH09234367A (ja) * 1995-12-25 1997-09-09 Cataler Kogyo Kk ディーゼルエンジン排ガス浄化用触媒
JP4556716B2 (ja) * 2004-03-22 2010-10-06 パナソニック株式会社 排ガス浄化用触媒及びその製造方法及び排ガス浄化材及び排ガス浄化システム
JP4751916B2 (ja) 2008-06-30 2011-08-17 トヨタ自動車株式会社 排ガス浄化用触媒

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL272520A (ko) * 1960-12-14
GB1330843A (en) * 1969-09-16 1973-09-19 Johnson Matthey Co Ltd Catalysis
JPS56102940A (en) * 1980-01-18 1981-08-17 Toyota Motor Corp Catalyst for cleaning exhaust gas
EP0244127A1 (en) * 1986-04-16 1987-11-04 Johnson Matthey, Inc., Method for catalytically controlling exhaust gaz from automobiles
US4782038C1 (en) * 1987-10-26 2001-04-17 Ford Motor Co Platinum group alumina-supported metal oxidation catalysts and method of making same

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Publication number Publication date
JP2598817B2 (ja) 1997-04-09
EP0372156B1 (en) 1993-09-08
DE68909013T2 (de) 1994-03-03
EP0372156A3 (en) 1990-11-07
DE68909013D1 (de) 1993-10-14
CA1333385C (en) 1994-12-06
JPH02157042A (ja) 1990-06-15
EP0372156A2 (en) 1990-06-13
KR940010935B1 (ko) 1994-11-19

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