KR900012677A - 백금 그룹 금속을 함유하며 h₂s 방출에 대해 감소된 경향을 갖는 삼방 촉매용 지지물질 - Google Patents

백금 그룹 금속을 함유하며 h₂s 방출에 대해 감소된 경향을 갖는 삼방 촉매용 지지물질 Download PDF

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KR900012677A
KR900012677A KR1019900000985A KR900000985A KR900012677A KR 900012677 A KR900012677 A KR 900012677A KR 1019900000985 A KR1019900000985 A KR 1019900000985A KR 900000985 A KR900000985 A KR 900000985A KR 900012677 A KR900012677 A KR 900012677A
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aluminum oxide
support material
weight
boehmite
parts
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KR1019900000985A
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KR0131335B1 (ko
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코베르스타인 에드가
엥글러 베른트
도메슬레 라이너
슈베르트 페터
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볼프강 메르크,볼프강 지벤호른
데구사 아크티엔게젤샤프트
볼프강 지벤호른
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    • 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
    • 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
    • B01J23/10—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of rare earths
    • 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
    • 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

백금 그룹 금속을 함유하며 H2S 방출에 대해 감소된 경향을 갖는 삼방 촉매용 지지물질
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (5)

  1. 활성이며 임의로 격자-안정화된 산화 알루미늄 및/또는 이의 특정 전구체 0 내지 90중량부, 및 산화세륨 또는 산화세륨의 가용성 및/또는 불용성 전구체중 하나 10 내지 100중량부(CeO2로 산정됨)의 수성 현탁액을 분무-건조시키고, 이렇게 수득한 물질을 350 내지 1,140℃, 바람직하게는 700 내지 1,050℃에서 15분 내지, 24시간 동안 어니얼링(annealing)시켜 수득할 수 있는, 내부 연소 엔진 배기 가스 정화용 백금 그룹 금속을 함유하며 H2S 방출에 대해 감소된 경향을 갖는, 자동차 배기 가스 정화용 삼방(three-way) 촉매용의, 비-귀금속 산화물 하나 이상으로 임의로 도핑(doping)되어 있고 활성 산화 알루미늄과 산화세륨 10중량%(모든 지지체 성분의 합에 대해) 이상으로 이루어진 지지물질.
  2. 제1항에 있어서, 활성 산화 알루미늄으로서 침전시키고 소광시켜 회수한 전이계의 산화 알루미늄, 또는 발열성 산화 알루미늄을 사용하여 수득할 수 있는 지지물질.
  3. 제1항에 있어서, 산화 알루미늄 전구체로서 유사-베마이트 및/또는 베마이트를 사용하여 수득할 수 있는 지지물질.
  4. 제1항 내지 3항중 어느 한 항에 있어서, 유사-베마이트 및/또는 베마이트와 전이계의 산화 알루미늄 및/또는 발열성 산화 알루미늄과의 혼합물을 사용함으로써 수득할 수 있는 지지물질.
  5. 제1항 내지 3항중 어느 한 항에 있어서, 제1항 내지 4항중 어느 한 항에 따르는 지지물질 100중량부가 통상의 감마-산화 알루미늄 또는 통상의 감마-산화 알루미늄 전구체 및/또는 통상의 산화세륨(CeO2로 산정됨), 또는 이의 가용성 및/또는 불용성 전구체 80중량부 이하의 혼합됨을 특징으로 하는 지지물질.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019900000985A 1989-02-01 1990-01-30 H2s 방출 경향이 감소된 백금족 금속-함유 삼상촉매용 지지물질 KR0131335B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3902913A DE3902913A1 (de) 1989-02-01 1989-02-01 Traegermaterial fuer platingruppenmetall-haltige dreiweg-katalysatoren mit verringerter neigung zur h(pfeil abwaerts)2(pfeil abwaerts)s-emission
DEP3902913.1 1989-02-01

Publications (2)

Publication Number Publication Date
KR900012677A true KR900012677A (ko) 1990-09-01
KR0131335B1 KR0131335B1 (ko) 1998-04-14

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KR1019900000985A KR0131335B1 (ko) 1989-02-01 1990-01-30 H2s 방출 경향이 감소된 백금족 금속-함유 삼상촉매용 지지물질

Country Status (10)

Country Link
US (1) US5024985A (ko)
EP (1) EP0381063B1 (ko)
JP (1) JP3442382B2 (ko)
KR (1) KR0131335B1 (ko)
BR (1) BR9000372A (ko)
CA (1) CA2009029C (ko)
DE (2) DE3902913A1 (ko)
FI (1) FI97334C (ko)
MX (1) MX170849B (ko)
ZA (1) ZA90371B (ko)

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JP3858625B2 (ja) * 2000-07-27 2006-12-20 株式会社豊田中央研究所 複合酸化物とその製造方法及び排ガス浄化用触媒とその製造方法
DE10138574A1 (de) 2001-08-06 2003-02-27 Degussa Granulate auf Basis von pyrogen hergestelltem Aluminiumoxid, Verfahren zu ihrer Herstellung und ihre Verwendung
US7871459B2 (en) * 2004-11-08 2011-01-18 Trustees Of Tufts College Apparatus and methods for non-regenerative and regenerative hot gas desulfurization
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DE102008061644B4 (de) * 2008-12-12 2014-01-02 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Zellulärer Werkstoff für Hochtemperaturanwendungen und Verfahren zu seiner Herstellung
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Also Published As

Publication number Publication date
CA2009029A1 (en) 1990-08-01
ZA90371B (en) 1990-10-31
DE3902913A1 (de) 1990-08-09
FI97334B (fi) 1996-08-30
FI900516A0 (fi) 1990-02-01
EP0381063B1 (de) 1993-08-04
JPH03196837A (ja) 1991-08-28
DE59002127D1 (de) 1993-09-09
BR9000372A (pt) 1990-12-04
DE3902913C2 (ko) 1992-03-19
EP0381063A1 (de) 1990-08-08
FI97334C (fi) 1996-12-10
CA2009029C (en) 1996-04-16
JP3442382B2 (ja) 2003-09-02
MX170849B (es) 1993-09-20
KR0131335B1 (ko) 1998-04-14
US5024985A (en) 1991-06-18

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