FR2218926A1 - Reducing nitrogen content of a gas - using a refractory oxide and nickel-copper alloy catalyst - Google Patents

Reducing nitrogen content of a gas - using a refractory oxide and nickel-copper alloy catalyst

Info

Publication number
FR2218926A1
FR2218926A1 FR7306278A FR7306278A FR2218926A1 FR 2218926 A1 FR2218926 A1 FR 2218926A1 FR 7306278 A FR7306278 A FR 7306278A FR 7306278 A FR7306278 A FR 7306278A FR 2218926 A1 FR2218926 A1 FR 2218926A1
Authority
FR
France
Prior art keywords
gas
nickel
refractory oxide
copper alloy
nitrogen 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
FR7306278A
Other languages
English (en)
French (fr)
Other versions
FR2218926B1 (enrdf_load_stackoverflow
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 FR7306278A priority Critical patent/FR2218926A1/fr
Priority to JP49021028A priority patent/JPS5035060A/ja
Priority to SE7402407A priority patent/SE401388B/xx
Publication of FR2218926A1 publication Critical patent/FR2218926A1/fr
Application granted granted Critical
Publication of FR2218926B1 publication Critical patent/FR2218926B1/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
    • B01J23/84—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 with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • 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
    • 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)
FR7306278A 1973-02-22 1973-02-22 Reducing nitrogen content of a gas - using a refractory oxide and nickel-copper alloy catalyst Granted FR2218926A1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR7306278A FR2218926A1 (en) 1973-02-22 1973-02-22 Reducing nitrogen content of a gas - using a refractory oxide and nickel-copper alloy catalyst
JP49021028A JPS5035060A (enrdf_load_stackoverflow) 1973-02-22 1974-02-21
SE7402407A SE401388B (sv) 1973-02-22 1974-02-22 Katalysator for reducering av halten kveveoxider

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7306278A FR2218926A1 (en) 1973-02-22 1973-02-22 Reducing nitrogen content of a gas - using a refractory oxide and nickel-copper alloy catalyst

Publications (2)

Publication Number Publication Date
FR2218926A1 true FR2218926A1 (en) 1974-09-20
FR2218926B1 FR2218926B1 (enrdf_load_stackoverflow) 1977-07-22

Family

ID=9115250

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7306278A Granted FR2218926A1 (en) 1973-02-22 1973-02-22 Reducing nitrogen content of a gas - using a refractory oxide and nickel-copper alloy catalyst

Country Status (3)

Country Link
JP (1) JPS5035060A (enrdf_load_stackoverflow)
FR (1) FR2218926A1 (enrdf_load_stackoverflow)
SE (1) SE401388B (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013111525A (ja) * 2011-11-29 2013-06-10 Daihatsu Motor Co Ltd 排ガス浄化用触媒
JP2013111526A (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

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NEANT *

Also Published As

Publication number Publication date
JPS5035060A (enrdf_load_stackoverflow) 1975-04-03
FR2218926B1 (enrdf_load_stackoverflow) 1977-07-22
SE401388B (sv) 1978-05-02

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Legal Events

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ST Notification of lapse