GB2096482B - Supported platinum group metal catalysts with controlled metal penetration - Google Patents

Supported platinum group metal catalysts with controlled metal penetration

Info

Publication number
GB2096482B
GB2096482B GB8208788A GB8208788A GB2096482B GB 2096482 B GB2096482 B GB 2096482B GB 8208788 A GB8208788 A GB 8208788A GB 8208788 A GB8208788 A GB 8208788A GB 2096482 B GB2096482 B GB 2096482B
Authority
GB
United Kingdom
Prior art keywords
platinum group
supported platinum
penetration
controlled
metal
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
GB8208788A
Other languages
English (en)
Other versions
GB2096482A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
WR Grace and Co
Original Assignee
WR Grace and Co
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 WR Grace and Co filed Critical WR Grace and Co
Publication of GB2096482A publication Critical patent/GB2096482A/en
Application granted granted Critical
Publication of GB2096482B publication Critical patent/GB2096482B/en
Expired legal-status Critical Current

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
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
    • B01J35/396—Distribution of the active metal ingredient
    • 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)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Combustion & Propulsion (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
GB8208788A 1981-04-13 1982-03-25 Supported platinum group metal catalysts with controlled metal penetration Expired GB2096482B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/253,970 US4405506A (en) 1981-04-13 1981-04-13 Supported platinum group metal catalysts with controlled metal penetration

Publications (2)

Publication Number Publication Date
GB2096482A GB2096482A (en) 1982-10-20
GB2096482B true GB2096482B (en) 1984-11-28

Family

ID=22962412

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8208788A Expired GB2096482B (en) 1981-04-13 1982-03-25 Supported platinum group metal catalysts with controlled metal penetration

Country Status (6)

Country Link
US (1) US4405506A (enExample)
JP (1) JPS57174137A (enExample)
DE (1) DE3213141A1 (enExample)
FR (1) FR2503580A1 (enExample)
GB (1) GB2096482B (enExample)
IT (1) IT1150691B (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4591580A (en) * 1983-01-26 1986-05-27 W. R. Grace & Co. Stabilized and doubly promoted platinum group metal catalysts for emission control and method of making same
SE462143C (sv) * 1988-03-07 1996-02-19 Heraeus Gmbh W C Katalysator för bilavgasrening, förfarande för framställning därav samt användning därav
JP2001070794A (ja) * 1999-09-03 2001-03-21 Japan Energy Corp 白金族金属成分を含有した固体酸触媒
JP4019357B2 (ja) * 2002-05-02 2007-12-12 日産自動車株式会社 排気ガス浄化用触媒粉末の製造方法及び排気ガス浄化触媒の製造方法
DE102008023472B4 (de) * 2008-05-14 2021-12-09 Clariant Produkte (Deutschland) Gmbh Verfahren zur Herstellung einer Platinkatalysator-Vorstufe, Katalysator-Vorstufe oder Katalysator und dessen Verwendung
EP4225490A1 (en) 2020-10-09 2023-08-16 BASF Corporation Three-way conversion catalyst composition comprising platinum-rhodium bimetallic components
JP2024534328A (ja) * 2021-09-17 2024-09-20 ビーエーエスエフ コーポレーション 白金、パラジウム、およびロジウムを含むゾーン型三元変換触媒

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4102819A (en) * 1973-12-28 1978-07-25 Prototech, Inc. Finely particulated colloidal platinum, compound and sol for producing the same, and method of preparation
US3932309A (en) * 1974-06-05 1976-01-13 W. R. Grace & Co. Auto exhaust catalysts prepared from sulfite treated platinum and palladium salt solutions
US4128506A (en) * 1978-01-23 1978-12-05 General Motors Corporation Platinum-rhodium catalyst for automotive emission control

Also Published As

Publication number Publication date
IT8220231A0 (it) 1982-03-17
US4405506A (en) 1983-09-20
FR2503580A1 (fr) 1982-10-15
IT1150691B (it) 1986-12-17
FR2503580B1 (enExample) 1985-03-29
JPS57174137A (en) 1982-10-26
DE3213141A1 (de) 1982-11-11
GB2096482A (en) 1982-10-20

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee