AR220510A1 - Catalizador para oxidar simultaneamente hidrocarburos y co y reducir oxidos de nitrogeno - Google Patents

Catalizador para oxidar simultaneamente hidrocarburos y co y reducir oxidos de nitrogeno

Info

Publication number
AR220510A1
AR220510A1 AR264274A AR26427476A AR220510A1 AR 220510 A1 AR220510 A1 AR 220510A1 AR 264274 A AR264274 A AR 264274A AR 26427476 A AR26427476 A AR 26427476A AR 220510 A1 AR220510 A1 AR 220510A1
Authority
AR
Argentina
Prior art keywords
catalyst
nitrogen oxides
reduce nitrogen
oxidize hydrocarbons
oxidize
Prior art date
Application number
AR264274A
Other languages
English (en)
Original Assignee
Engelhard Min & Chem
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 Min & Chem filed Critical Engelhard Min & Chem
Application granted granted Critical
Publication of AR220510A1 publication Critical patent/AR220510A1/es

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
    • B01J23/54—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
    • 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
    • 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
    • B01J37/0238—Impregnation, coating or precipitation via the gaseous phase-sublimation
    • 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)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
AR264274A 1975-08-27 1976-08-09 Catalizador para oxidar simultaneamente hidrocarburos y co y reducir oxidos de nitrogeno AR220510A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US60808475A 1975-08-27 1975-08-27

Publications (1)

Publication Number Publication Date
AR220510A1 true AR220510A1 (es) 1980-11-14

Family

ID=24434964

Family Applications (1)

Application Number Title Priority Date Filing Date
AR264274A AR220510A1 (es) 1975-08-27 1976-08-09 Catalizador para oxidar simultaneamente hidrocarburos y co y reducir oxidos de nitrogeno

Country Status (16)

Country Link
US (1) US4157316A (es)
JP (1) JPS5227088A (es)
AR (1) AR220510A1 (es)
AU (1) AU505606B2 (es)
BE (1) BE845625A (es)
BR (1) BR7605638A (es)
CA (1) CA1083124A (es)
DD (1) DD127678A5 (es)
DE (1) DE2637198A1 (es)
ES (3) ES450974A1 (es)
FR (1) FR2321940A1 (es)
GB (1) GB1561683A (es)
IT (1) IT1068218B (es)
MX (1) MX4509E (es)
PL (1) PL107472B1 (es)
SE (1) SE446506C (es)

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Also Published As

Publication number Publication date
SE446506B (sv) 1986-09-22
GB1561683A (en) 1980-02-27
CA1083124A (en) 1980-08-05
DE2637198C2 (es) 1989-08-10
FR2321940B1 (es) 1983-01-28
BR7605638A (pt) 1977-08-09
AU1713376A (en) 1978-03-02
ES462042A1 (es) 1978-06-01
ES462043A1 (es) 1978-06-01
FR2321940A1 (fr) 1977-03-25
DD127678A5 (es) 1977-10-05
IT1068218B (it) 1985-03-21
MX4509E (es) 1982-06-02
SE7609423L (sv) 1977-02-28
DE2637198A1 (de) 1977-03-03
JPS5227088A (en) 1977-03-01
AU505606B2 (en) 1979-11-29
ES450974A1 (es) 1978-01-16
PL107472B1 (pl) 1980-02-29
SE446506C (sv) 1988-04-18
US4157316A (en) 1979-06-05
BE845625A (fr) 1977-02-28

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