, volume 243 , pages 750-759

Direct N2O decomposition over iron-substituted small-pore zeolites with different pore topologies

Jong Bin Lim ¹

Seung Hyeok Cha ¹

Suk Ju Hong ¹

Hide authors affiliations Show authors affiliations: 1 affiliation

Center for Ordered Nanoporous Materials Synthesis, Division of Environmental Science and Engineering, POSTECH, Pohang 37673, Republic of Korea |

Publication type: Journal Article

Publication date: 2019-04-01

Elsevier

Applied Catalysis B: Environmental

scimago Q1

wos Q1

SJR: 5.180

CiteScore: 38.4

Impact factor: 21.1

ISSN: 09263373, 18733883

DOI: 10.1016/j.apcatb.2018.10.068

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Catalysis

Process Chemistry and Technology

General Environmental Science

Abstract

Four cage-based, small-pore zeolites with similar framework Fe contents (0.7-0.9 wt%) but different framework structures (i.e., Fe-PST-7, Fe-LTA, Fe-SSZ-13, and Fe-RTH) have been synthesized and employed as direct N2O decomposition catalysts. When steam-activated, the light-off temperatures (770 K) for Fe-PST-7 and Fe-LTA were found to be about 40 K lower under wet feed conditions than that (810 K) for Fe-ZSM-5, the most widely studied catalyst for this reaction. Furthermore, their light-off temperatures were found to be even lower than the temperature (780 K) for Fe-FER, the best direct N2O decomposition catalyst. The overall characterization results of our study strongly suggest that the presence of strong Bronsted acid sites in zeolites, as well as the zeolite framework topology, has a profound effect on the type and distribution of extraframework Fe species, and therefore the N2O decomposition activity of supported Fe catalysts.

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Lim J. B., Cha S. H., Hong S. J. Direct N2O decomposition over iron-substituted small-pore zeolites with different pore topologies // Applied Catalysis B: Environmental. 2019. Vol. 243. pp. 750-759.

GOST all authors (up to 50) Copy

Lim J. B., Cha S. H., Hong S. J. Direct N2O decomposition over iron-substituted small-pore zeolites with different pore topologies // Applied Catalysis B: Environmental. 2019. Vol. 243. pp. 750-759.

RIS |

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RIS Copy

TY - JOUR

DO - 10.1016/j.apcatb.2018.10.068

UR - https://doi.org/10.1016/j.apcatb.2018.10.068

TI - Direct N2O decomposition over iron-substituted small-pore zeolites with different pore topologies

T2 - Applied Catalysis B: Environmental

AU - Lim, Jong Bin

AU - Cha, Seung Hyeok

AU - Hong, Suk Ju

PY - 2019

DA - 2019/04/01

PB - Elsevier

SP - 750-759

VL - 243

SN - 0926-3373

SN - 1873-3883

ER -

BibTex

Cite this

BibTex (up to 50 authors) Copy

@article{2019_Lim,

author = {Jong Bin Lim and Seung Hyeok Cha and Suk Ju Hong},

title = {Direct N2O decomposition over iron-substituted small-pore zeolites with different pore topologies},

journal = {Applied Catalysis B: Environmental},

year = {2019},

volume = {243},

publisher = {Elsevier},

month = {apr},

url = {https://doi.org/10.1016/j.apcatb.2018.10.068},

pages = {750--759},

doi = {10.1016/j.apcatb.2018.10.068}

}

Publisher

Elsevier

Journal

Applied Catalysis B: Environmental

scimago Q1

wos Q1

SJR

5.180

CiteScore

38.4

Impact factor

21.1

ISSN

09263373 (Print)

18733883 (Electronic)