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FR2191939A1 - Supported ruthenium catalysts - for reducing the nitrogen oxide content of exhaust gases from IC engines - Google Patents

Supported ruthenium catalysts - for reducing the nitrogen oxide content of exhaust gases from IC engines

Info

Publication number
FR2191939A1
FR2191939A1 FR7224602A FR7224602A FR2191939A1 FR 2191939 A1 FR2191939 A1 FR 2191939A1 FR 7224602 A FR7224602 A FR 7224602A FR 7224602 A FR7224602 A FR 7224602A FR 2191939 A1 FR2191939 A1 FR 2191939A1
Authority
FR
France
Prior art keywords
exhaust gases
engines
reducing
nitrogen oxide
oxide content
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.)
Granted
Application number
FR7224602A
Other languages
French (fr)
Other versions
FR2191939B1 (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.)
Commissariat a lEnergie Atomique et aux Energies Alternatives CEA
Original Assignee
Commissariat a lEnergie Atomique CEA
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 Commissariat a lEnergie Atomique CEA filed Critical Commissariat a lEnergie Atomique CEA
Priority to FR7224602A priority Critical patent/FR2191939A1/en
Publication of FR2191939A1 publication Critical patent/FR2191939A1/en
Application granted granted Critical
Publication of FR2191939B1 publication Critical patent/FR2191939B1/fr
Granted 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
    • B01D53/9459—Removing one or more of nitrogen oxides, carbon monoxide, or hydrocarbons by multiple successive catalytic functions; systems with more than one different function, e.g. zone coated catalysts
    • 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
    • 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
    • B01D53/944—Simultaneously removing carbon monoxide, hydrocarbons or carbon making use of oxidation catalysts
    • 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
    • B01J23/8933—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 also combined with metals, or metal oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/8993—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 also combined with metals, or metal oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with chromium, molybdenum or tungsten
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/10—Oxidants
    • B01D2251/102—Oxygen
    • 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
    • B01D2255/102—Platinum group metals
    • B01D2255/1026—Ruthenium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/207—Transition metals
    • B01D2255/20761—Copper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/207—Transition metals
    • B01D2255/20784—Chromium
    • 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)
  • 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)

Abstract

Catalysts for the redn. of nitrogen oxides in exhaust gases from IC engines comprise Ru as activeve phase on a support (esp. Al2O3, aluminosilicate, spinel, silica gel or a refractory metal or alloy). Prefd. catalysts contain 0.01-0.5 wt.% Ru, 0.2-10 wt.% Cu and 0.1-5 wt% Cr, and opt. also Ni. The catalysts do not suffer a drop in activity in the presence of residual O2.
FR7224602A 1972-07-07 1972-07-07 Supported ruthenium catalysts - for reducing the nitrogen oxide content of exhaust gases from IC engines Granted FR2191939A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7224602A FR2191939A1 (en) 1972-07-07 1972-07-07 Supported ruthenium catalysts - for reducing the nitrogen oxide content of exhaust gases from IC engines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7224602A FR2191939A1 (en) 1972-07-07 1972-07-07 Supported ruthenium catalysts - for reducing the nitrogen oxide content of exhaust gases from IC engines

Publications (2)

Publication Number Publication Date
FR2191939A1 true FR2191939A1 (en) 1974-02-08
FR2191939B1 FR2191939B1 (en) 1975-06-13

Family

ID=9101503

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7224602A Granted FR2191939A1 (en) 1972-07-07 1972-07-07 Supported ruthenium catalysts - for reducing the nitrogen oxide content of exhaust gases from IC engines

Country Status (1)

Country Link
FR (1) FR2191939A1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006116193A1 (en) * 2005-04-21 2006-11-02 Shell Internationale Research Maatschappij B.V. Hydrogenation catalyst and hydrogenation method
US7381852B2 (en) 2006-04-13 2008-06-03 Shell Oil Company Process for hydrogenating an aldehyde
US7777085B2 (en) 2008-10-01 2010-08-17 Inventure Chemical, Inc. Method for conversion of oil-containing algae to 1,3-propanediol

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7943792B2 (en) 2007-04-02 2011-05-17 Inventure Chemical Inc. Production of biodiesel, cellulosic sugars, and peptides from the simultaneous esterification and alcoholysis/hydrolysis of materials with oil-containing substituents including phospholipids and peptidic content
WO2008122029A1 (en) 2007-04-02 2008-10-09 Inventure Chemical, Inc. Simultaneous esterification and alcohol ysis/hydrolysis of oil-containing materials with cellulosic and peptidic content

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1438247A (en) * 1963-11-20 1966-05-13 Exxon Research Engineering Co Device for combating pollution of the atmosphere determined by exhaust gases
FR1564259A (en) * 1967-08-01 1969-04-18

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1438247A (en) * 1963-11-20 1966-05-13 Exxon Research Engineering Co Device for combating pollution of the atmosphere determined by exhaust gases
FR1564259A (en) * 1967-08-01 1969-04-18

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006116193A1 (en) * 2005-04-21 2006-11-02 Shell Internationale Research Maatschappij B.V. Hydrogenation catalyst and hydrogenation method
US7335800B2 (en) 2005-04-21 2008-02-26 Shell Oil Company Hydrogenation catalyst and hydrogenation method
US7381852B2 (en) 2006-04-13 2008-06-03 Shell Oil Company Process for hydrogenating an aldehyde
US7777085B2 (en) 2008-10-01 2010-08-17 Inventure Chemical, Inc. Method for conversion of oil-containing algae to 1,3-propanediol

Also Published As

Publication number Publication date
FR2191939B1 (en) 1975-06-13

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Legal Events

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