FR3077507B1 - Catalyseur pour le traitement de l’ammoniac issu de la reduction selective des nox - Google Patents

Catalyseur pour le traitement de l’ammoniac issu de la reduction selective des nox Download PDF

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Publication number
FR3077507B1
FR3077507B1 FR1850966A FR1850966A FR3077507B1 FR 3077507 B1 FR3077507 B1 FR 3077507B1 FR 1850966 A FR1850966 A FR 1850966A FR 1850966 A FR1850966 A FR 1850966A FR 3077507 B1 FR3077507 B1 FR 3077507B1
Authority
FR
France
Prior art keywords
ammonia
catalyst
treatment
nox reduction
selective nox
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.)
Active
Application number
FR1850966A
Other languages
English (en)
Other versions
FR3077507A1 (fr
Inventor
Karine Pajot
Thierry Bertin
Philippe Vernoux
Diego Lopez-Gonzalez
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.)
Centre National de la Recherche Scientifique CNRS
Universite Claude Bernard Lyon 1 UCBL
PSA Automobiles SA
Original Assignee
Centre National de la Recherche Scientifique CNRS
Universite Claude Bernard Lyon 1 UCBL
PSA Automobiles 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 Centre National de la Recherche Scientifique CNRS, Universite Claude Bernard Lyon 1 UCBL, PSA Automobiles SA filed Critical Centre National de la Recherche Scientifique CNRS
Priority to FR1850966A priority Critical patent/FR3077507B1/fr
Publication of FR3077507A1 publication Critical patent/FR3077507A1/fr
Application granted granted Critical
Publication of FR3077507B1 publication Critical patent/FR3077507B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B01D53/9436—Ammonia
    • 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
    • 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
    • B01D2255/206—Rare earth metals
    • B01D2255/2061—Yttrium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/50—Zeolites
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/90—Physical characteristics of catalysts
    • B01D2255/902—Multilayered catalyst
    • B01D2255/9025—Three layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/40—Nitrogen compounds
    • B01D2257/406—Ammonia
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (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)
  • Chemical Kinetics & Catalysis (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Catalysts (AREA)
FR1850966A 2018-02-06 2018-02-06 Catalyseur pour le traitement de l’ammoniac issu de la reduction selective des nox Active FR3077507B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1850966A FR3077507B1 (fr) 2018-02-06 2018-02-06 Catalyseur pour le traitement de l’ammoniac issu de la reduction selective des nox

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1850966 2018-02-06
FR1850966A FR3077507B1 (fr) 2018-02-06 2018-02-06 Catalyseur pour le traitement de l’ammoniac issu de la reduction selective des nox

Publications (2)

Publication Number Publication Date
FR3077507A1 FR3077507A1 (fr) 2019-08-09
FR3077507B1 true FR3077507B1 (fr) 2022-07-15

Family

ID=62067699

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1850966A Active FR3077507B1 (fr) 2018-02-06 2018-02-06 Catalyseur pour le traitement de l’ammoniac issu de la reduction selective des nox

Country Status (1)

Country Link
FR (1) FR3077507B1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3133768A1 (fr) 2022-03-28 2023-09-29 Psa Automobiles Sa Catalyseur d’oxydation d’ammoniac à forte concentration

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7998423B2 (en) * 2007-02-27 2011-08-16 Basf Corporation SCR on low thermal mass filter substrates
US9764313B2 (en) * 2014-06-18 2017-09-19 Basf Corporation Molecular sieve catalyst compositions, catalyst composites, systems, and methods
US9757691B2 (en) * 2015-11-06 2017-09-12 Paccar Inc High efficiency and durability selective catalytic reduction catalyst

Also Published As

Publication number Publication date
FR3077507A1 (fr) 2019-08-09

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