Catalysis Today

, volume 136 , issue 1-2 , pages 18-27

Study of a Fe–zeolite-based system as NH3-SCR catalyst for diesel exhaust aftertreatment

Antonio Grossale ^{1, 2, 3}

Isabella C. Nova ^{1, 2, 3}

Enrico Tronconi ^{1, 2, 3}

Hide authors affiliations Show authors affiliations: 3 affiliations

Dipartimento di Chimica, Materiali e Ingegneria Chimica “G. Natta”

Politecnico Di Milano |

Piazza Leonardo da Vinci 32 20133 Milano Italy |

Publication type: Journal Article

Publication date: 2008-07-01

Elsevier

Catalysis Today

scimago Q1

wos Q1

SJR: 1.050

CiteScore: 11.2

Impact factor: 5.3

ISSN: 09205861, 18734308

DOI: 10.1016/j.cattod.2007.10.117

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General Chemistry

Catalysis

Abstract

The reactivity of a commercial Fe-exchanged zeolite catalyst is herein analyzed in the NH 3 -SCR (selective catalytic reduction) reactions of interest for industrial applications to the aftertreatment of diesel exhausts. Transient tests, addressing reacting systems of growing complexity (NH 3 + O 2 , NO + O 2 , NO 2 + O 2 , NH 3 + NO + O 2 , NH 3 + NO 2 + O 2 and NH 3 + NO + NO 2 + O 2 ) in a representative temperature range, were performed over the catalyst both in the powder form, in order to derive intrinsic kinetic information, and in the form of small core washcoated monoliths. Results were compared to those collected over a commercial extruded V 2 O 5 –WO 3 /TiO 2 catalyst. The zeolite system was characterized by: (i) a higher NH 3 storage capacity, (ii) a higher activity in NH 3 and NO oxidation reactions, (iii) a higher activity in the standard SCR reaction at low temperature, (iv) a higher activity in the fast SCR reaction and (v) a higher selectivity to N 2 O in the presence of excess NO 2 .

Found

1 citation

Kubota Yoshihiro

PhD in Chemistry, professor

266 publications, 7 787 citations, 14 reviews

h-index: 47

Yokohama National University

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GOST |

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GOST Copy

Grossale A. et al. Study of a Fe–zeolite-based system as NH3-SCR catalyst for diesel exhaust aftertreatment // Catalysis Today. 2008. Vol. 136. No. 1-2. pp. 18-27.

GOST all authors (up to 50) Copy

Grossale A., Nova I. C., Tronconi E. Study of a Fe–zeolite-based system as NH3-SCR catalyst for diesel exhaust aftertreatment // Catalysis Today. 2008. Vol. 136. No. 1-2. pp. 18-27.

RIS |

Cite this

RIS Copy

TY - JOUR

DO - 10.1016/j.cattod.2007.10.117

UR - https://doi.org/10.1016/j.cattod.2007.10.117

TI - Study of a Fe–zeolite-based system as NH3-SCR catalyst for diesel exhaust aftertreatment

T2 - Catalysis Today

AU - Grossale, Antonio

AU - Nova, Isabella C.

AU - Tronconi, Enrico

PY - 2008

DA - 2008/07/01

PB - Elsevier

SP - 18-27

IS - 1-2

VL - 136

SN - 0920-5861

SN - 1873-4308

ER -

BibTex |

Cite this

BibTex (up to 50 authors) Copy

@article{2008_Grossale,

author = {Antonio Grossale and Isabella C. Nova and Enrico Tronconi},

title = {Study of a Fe–zeolite-based system as NH3-SCR catalyst for diesel exhaust aftertreatment},

journal = {Catalysis Today},

year = {2008},

volume = {136},

publisher = {Elsevier},

month = {jul},

url = {https://doi.org/10.1016/j.cattod.2007.10.117},

number = {1-2},

pages = {18--27},

doi = {10.1016/j.cattod.2007.10.117}

}

MLA

Cite this

MLA Copy

Grossale, Antonio, et al. “Study of a Fe–zeolite-based system as NH3-SCR catalyst for diesel exhaust aftertreatment.” Catalysis Today, vol. 136, no. 1-2, Jul. 2008, pp. 18-27. https://doi.org/10.1016/j.cattod.2007.10.117.

Publisher

Elsevier

Journal

Catalysis Today

scimago Q1

wos Q1

SJR

1.050

CiteScore

11.2

Impact factor

5.3

ISSN

09205861 (Print)

18734308