WO2012072908A3 - Procede de fabrication d'une composition catalytique de reduction selective des oxydes d'azote et vehicule comprenant une telle composition catalytique - Google Patents

Procede de fabrication d'une composition catalytique de reduction selective des oxydes d'azote et vehicule comprenant une telle composition catalytique Download PDF

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Publication number
WO2012072908A3
WO2012072908A3 PCT/FR2011/052531 FR2011052531W WO2012072908A3 WO 2012072908 A3 WO2012072908 A3 WO 2012072908A3 FR 2011052531 W FR2011052531 W FR 2011052531W WO 2012072908 A3 WO2012072908 A3 WO 2012072908A3
Authority
WO
WIPO (PCT)
Prior art keywords
catalytic composition
manufacturing
nitrogen oxides
reducing nitrogen
selectively reducing
Prior art date
Application number
PCT/FR2011/052531
Other languages
English (en)
Other versions
WO2012072908A2 (fr
Inventor
Severine Rousseau
Gilbert Blanchard
Carolina Petitto
Gérard DELAHAY
Original Assignee
Peugeot Citroen Automobiles Sa
Centre National De Recherche Scientifiqu
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 Peugeot Citroen Automobiles Sa, Centre National De Recherche Scientifiqu filed Critical Peugeot Citroen Automobiles Sa
Publication of WO2012072908A2 publication Critical patent/WO2012072908A2/fr
Publication of WO2012072908A3 publication Critical patent/WO2012072908A3/fr

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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
    • B01D53/9404—Removing only nitrogen compounds
    • B01D53/9409—Nitrogen oxides
    • B01D53/9413—Processes characterised by a specific catalyst
    • B01D53/9418—Processes characterised by a specific catalyst for removing nitrogen oxides by selective catalytic reduction [SCR] using a reducing agent in a lean exhaust gas
    • 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
    • B01J23/48—Silver or gold
    • B01J23/50—Silver
    • 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
    • B01J37/0009—Use of binding agents; Moulding; Pressing; Powdering; Granulating; Addition of materials ameliorating the mechanical properties of the product catalyst
    • B01J37/0027—Powdering
    • B01J37/0036—Grinding
    • 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
    • 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
    • B01J37/08—Heat treatment
    • B01J37/10—Heat treatment in the presence of water, e.g. steam
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/20—Reductants
    • B01D2251/208—Hydrocarbons
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/10—Noble metals or compounds thereof
    • B01D2255/104—Silver
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/209—Other metals
    • B01D2255/2092—Aluminium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2258/00—Sources of waste gases
    • B01D2258/01—Engine exhaust gases
    • B01D2258/012—Diesel engines and lean burn gasoline engines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
    • F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
    • F01N3/2066—Selective catalytic reduction [SCR]
    • 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)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Thermal Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (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

L'invention concerne un procédé de fabrication d'une composition catalytique de réduction sélective des oxydes d'azote à base d'argent supporté par une alumine caractérisé en ce qu'il comporte le traitement hydrothermal d'un mélange homogène d'alumine et d'oxyde d'argent sous forme de poudre. Le traitement hydrothermal s'effectuant à une température supériore à 500 °C, de préférence comprise entre 650 ºC et 750 ºC.
PCT/FR2011/052531 2010-11-29 2011-10-28 Procede de fabrication d'une composition catalytique de reduction selective des oxydes d'azote et vehicule comprenant une telle composition catalytique WO2012072908A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1059824A FR2967921A1 (fr) 2010-11-29 2010-11-29 Procede de fabrication d'une composition catalytique de reduction selective des oxydes d'azote et vehicule comprenant une telle composition catalytique
FR1059824 2010-11-29

Publications (2)

Publication Number Publication Date
WO2012072908A2 WO2012072908A2 (fr) 2012-06-07
WO2012072908A3 true WO2012072908A3 (fr) 2012-07-26

Family

ID=44212053

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/FR2011/052531 WO2012072908A2 (fr) 2010-11-29 2011-10-28 Procede de fabrication d'une composition catalytique de reduction selective des oxydes d'azote et vehicule comprenant une telle composition catalytique

Country Status (2)

Country Link
FR (1) FR2967921A1 (fr)
WO (1) WO2012072908A2 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB675482A (en) * 1949-01-13 1952-07-09 Norman Levy Improvements in and relating to the production of ethylene oxide
WO2006020718A2 (fr) * 2004-08-12 2006-02-23 Shell Internationale Research Maatschappij B.V. Catalyseur façonne: procede de fabrication, nature et utilisation
US20080069741A1 (en) * 2006-09-20 2008-03-20 Gerald Stephen Koermer Catalysts to Reduce NOx in an Exhaust Gas Stream and Methods of Preparation
EP2127731A1 (fr) * 2007-03-20 2009-12-02 Denso Corporation Procédé de fabrication d'un matériau catalyseur

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB675482A (en) * 1949-01-13 1952-07-09 Norman Levy Improvements in and relating to the production of ethylene oxide
WO2006020718A2 (fr) * 2004-08-12 2006-02-23 Shell Internationale Research Maatschappij B.V. Catalyseur façonne: procede de fabrication, nature et utilisation
US20080069741A1 (en) * 2006-09-20 2008-03-20 Gerald Stephen Koermer Catalysts to Reduce NOx in an Exhaust Gas Stream and Methods of Preparation
EP2127731A1 (fr) * 2007-03-20 2009-12-02 Denso Corporation Procédé de fabrication d'un matériau catalyseur

Also Published As

Publication number Publication date
FR2967921A1 (fr) 2012-06-01
WO2012072908A2 (fr) 2012-06-07

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