FR2218935B1 - - Google Patents

Info

Publication number
FR2218935B1
FR2218935B1 FR7306277A FR7306277A FR2218935B1 FR 2218935 B1 FR2218935 B1 FR 2218935B1 FR 7306277 A FR7306277 A FR 7306277A FR 7306277 A FR7306277 A FR 7306277A FR 2218935 B1 FR2218935 B1 FR 2218935B1
Authority
FR
France
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
FR7306277A
Other languages
French (fr)
Other versions
FR2218935A1 (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.)
Pro Catalyse SA
Original Assignee
Pro Catalyse SA
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 Pro Catalyse SA filed Critical Pro Catalyse SA
Priority to FR7306277A priority Critical patent/FR2218935A1/fr
Priority to JP49021027A priority patent/JPS5035059A/ja
Priority to SE7402406A priority patent/SE401235B/xx
Publication of FR2218935A1 publication Critical patent/FR2218935A1/fr
Application granted granted Critical
Publication of FR2218935B1 publication Critical patent/FR2218935B1/fr
Granted legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B01J23/74—Iron group metals
    • B01J23/755—Nickel
    • 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
    • B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/20—Reductants
    • B01D2251/202—Hydrogen
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/20—Reductants
    • B01D2251/204—Carbon monoxide
    • 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
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/207—Transition metals
    • B01D2255/20753—Nickel
    • 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

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)
FR7306277A 1973-02-22 1973-02-22 Reducing nitrogen content of a gas - using refractory oxide, nickel and copper catalyst Granted FR2218935A1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR7306277A FR2218935A1 (en) 1973-02-22 1973-02-22 Reducing nitrogen content of a gas - using refractory oxide, nickel and copper catalyst
JP49021027A JPS5035059A (enrdf_load_stackoverflow) 1973-02-22 1974-02-21
SE7402406A SE401235B (sv) 1973-02-22 1974-02-22 Katalysator for reducering av halten kveveoxider samt sett att framstella denna

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7306277A FR2218935A1 (en) 1973-02-22 1973-02-22 Reducing nitrogen content of a gas - using refractory oxide, nickel and copper catalyst

Publications (2)

Publication Number Publication Date
FR2218935A1 FR2218935A1 (en) 1974-09-20
FR2218935B1 true FR2218935B1 (enrdf_load_stackoverflow) 1977-07-22

Family

ID=9115249

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7306277A Granted FR2218935A1 (en) 1973-02-22 1973-02-22 Reducing nitrogen content of a gas - using refractory oxide, nickel and copper catalyst

Country Status (3)

Country Link
JP (1) JPS5035059A (enrdf_load_stackoverflow)
FR (1) FR2218935A1 (enrdf_load_stackoverflow)
SE (1) SE401235B (enrdf_load_stackoverflow)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5912115A (ja) * 1982-07-13 1984-01-21 Samukomu Electron Kk 自動車排ガス浄化用触媒
EP0399302B1 (en) * 1989-05-11 1995-08-02 Nippon Shokubai Co., Ltd. Process for the purification of a gas using an electrically heated MnO2 catalyst
CA2052395A1 (en) * 1990-09-29 1992-03-30 Sadao Terui Catalyst and a method of preparing the catalyst
JP2013111525A (ja) * 2011-11-29 2013-06-10 Daihatsu Motor Co Ltd 排ガス浄化用触媒

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5135195B2 (enrdf_load_stackoverflow) * 1972-05-30 1976-09-30
JPS5313200B2 (enrdf_load_stackoverflow) * 1973-02-14 1978-05-08

Also Published As

Publication number Publication date
JPS5035059A (enrdf_load_stackoverflow) 1975-04-03
SE401235B (sv) 1978-04-24
FR2218935A1 (en) 1974-09-20

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Legal Events

Date Code Title Description
ST Notification of lapse