IT8220814A0 - Procedimento di preparazione di catalizzatori supportati di metalli del gruppo del platino. - Google Patents

Procedimento di preparazione di catalizzatori supportati di metalli del gruppo del platino.

Info

Publication number
IT8220814A0
IT8220814A0 IT8220814A IT2081482A IT8220814A0 IT 8220814 A0 IT8220814 A0 IT 8220814A0 IT 8220814 A IT8220814 A IT 8220814A IT 2081482 A IT2081482 A IT 2081482A IT 8220814 A0 IT8220814 A0 IT 8220814A0
Authority
IT
Italy
Prior art keywords
procedure
preparation
platinum group
group metals
supported catalysts
Prior art date
Application number
IT8220814A
Other languages
English (en)
Other versions
IT1151721B (it
Inventor
Kim Gwan
Original Assignee
Grace W R & 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 Grace W R & Co filed Critical Grace W R & Co
Publication of IT8220814A0 publication Critical patent/IT8220814A0/it
Application granted granted Critical
Publication of IT1151721B publication Critical patent/IT1151721B/it

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
    • B01J37/02—Impregnation, coating or precipitation
    • B01J37/0201—Impregnation
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Environmental & Geological Engineering (AREA)
  • Biomedical Technology (AREA)
  • Combustion & Propulsion (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
IT20814/82A 1981-04-20 1982-04-19 Procedimento di preparazione di catalizzatori supportati di metalli del gruppo del platino IT1151721B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/255,967 US4370260A (en) 1981-04-20 1981-04-20 Method of preparing supported platinum group metal catalysts

Publications (2)

Publication Number Publication Date
IT8220814A0 true IT8220814A0 (it) 1982-04-19
IT1151721B IT1151721B (it) 1986-12-24

Family

ID=22970597

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20814/82A IT1151721B (it) 1981-04-20 1982-04-19 Procedimento di preparazione di catalizzatori supportati di metalli del gruppo del platino

Country Status (8)

Country Link
US (1) US4370260A (it)
JP (1) JPS57174136A (it)
AU (1) AU7813581A (it)
BR (1) BR8107849A (it)
DE (1) DE3212553A1 (it)
FR (1) FR2504026A1 (it)
GB (1) GB2096914B (it)
IT (1) IT1151721B (it)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4520223A (en) * 1982-05-19 1985-05-28 Mcginnis Roger N Dehydrogenation process
US4431750A (en) * 1982-05-19 1984-02-14 Phillips Petroleum Company Platinum group metal catalyst on the surface of a support and a process for preparing same
EP2019730A4 (en) * 2006-05-02 2010-12-22 Reliance Ind Ltd OXIDATION CATALYZER FOR CLEANING NITROGEN GAS CONTAINING ORGANIC CONTAMINATION
WO2012175409A1 (en) 2011-06-21 2012-12-27 Umicore Ag & Co. Kg Method for the deposition of metals on support oxides
CN119469983B (zh) * 2025-01-14 2025-06-17 英特派铂业股份有限公司 一种铂铑合金中铑含量的测定方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3932309A (en) * 1974-06-05 1976-01-13 W. R. Grace & Co. Auto exhaust catalysts prepared from sulfite treated platinum and palladium salt solutions
JPS51105993A (en) * 1975-03-14 1976-09-20 Nissan Motor Sharyono haishutsugasujokayoshokubai
US4154812A (en) * 1977-03-25 1979-05-15 W. R. Grace & Co. Process for preparing alumina

Also Published As

Publication number Publication date
JPS57174136A (en) 1982-10-26
DE3212553A1 (de) 1982-11-11
GB2096914A (en) 1982-10-27
FR2504026A1 (fr) 1982-10-22
AU7813581A (en) 1982-10-28
IT1151721B (it) 1986-12-24
BR8107849A (pt) 1983-04-12
US4370260A (en) 1983-01-25
GB2096914B (en) 1984-08-15

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