ZA928480B - High performance thermally stable catalysts. - Google Patents

High performance thermally stable catalysts.

Info

Publication number
ZA928480B
ZA928480B ZA928480A ZA928480A ZA928480B ZA 928480 B ZA928480 B ZA 928480B ZA 928480 A ZA928480 A ZA 928480A ZA 928480 A ZA928480 A ZA 928480A ZA 928480 B ZA928480 B ZA 928480B
Authority
ZA
South Africa
Prior art keywords
high performance
thermally stable
stable catalysts
performance thermally
catalysts
Prior art date
Application number
ZA928480A
Other languages
English (en)
Inventor
Joseph C Dettling
Original Assignee
Engelhard Corp
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 Engelhard Corp filed Critical Engelhard Corp
Publication of ZA928480B publication Critical patent/ZA928480B/xx

Links

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
    • B01J23/46—Ruthenium, rhodium, osmium or iridium
    • B01J23/464—Rhodium
    • 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
    • B01J37/04—Mixing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/90—Physical characteristics of catalysts
    • B01D2255/902—Multilayered catalyst
    • 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

Landscapes

  • 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)
ZA928480A 1991-11-04 1992-11-03 High performance thermally stable catalysts. ZA928480B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/787,192 US5212142A (en) 1991-11-04 1991-11-04 High performance thermally stable catalyst

Publications (1)

Publication Number Publication Date
ZA928480B true ZA928480B (en) 1993-06-28

Family

ID=25140696

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA928480A ZA928480B (en) 1991-11-04 1992-11-03 High performance thermally stable catalysts.

Country Status (4)

Country Link
US (1) US5212142A (xx)
MX (1) MX9206318A (xx)
WO (1) WO1993009146A2 (xx)
ZA (1) ZA928480B (xx)

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JP6174115B2 (ja) 2012-04-05 2017-08-02 ユミコア アクチェンゲゼルシャフト ウント コンパニー コマンディートゲゼルシャフト 希薄燃焼内燃機関の排ガスから一酸化炭素および炭化水素を除去するための方法
KR101483651B1 (ko) * 2012-12-13 2015-01-16 현대자동차 주식회사 내연 기관용 가스 정화 촉매
JP6414043B2 (ja) * 2015-04-08 2018-10-31 トヨタ自動車株式会社 排ガス浄化触媒及びその製造方法
KR101814455B1 (ko) * 2015-12-02 2018-01-04 희성촉매 주식회사 Ｐｄ-Ｒｈ 합금을 포함하는 삼원촉매
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CN112399885B (zh) * 2018-07-27 2024-03-26 庄信万丰股份有限公司 包含高掺杂载体的改善twc催化剂
EP3897926A4 (en) * 2018-12-19 2022-10-26 BASF Corporation LAYERED CATALYST COMPOSITION AND CATALYTIC ARTICLE, AND METHODS OF MAKING AND USE THEREOF

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Also Published As

Publication number Publication date
WO1993009146A3 (en) 1993-08-05
US5212142A (en) 1993-05-18
MX9206318A (es) 1993-08-01
WO1993009146A2 (en) 1993-05-13

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