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Catalytic reduction of NO by CO over Pd-doped Perovskite-type catalysts

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2009
619.pdf (247.4Kb)
Autori
Khristova, M.S.
Petrović, Srđan
Terlecki-Baričević, Ana V.
Mehandjiev, D.R.
Članak u časopisu (Objavljena verzija)
Metapodaci
Prikaz svih podataka o dokumentu
Apstrakt
The perovskite type oxides (nominal formula LaTi0.5 Mg0.5O3) with addition of Pd were prepared by annealing the ethanol solution of precursors in nitrogen flow at 1200°C and characterized by X-ray powder diffraction (XRD), X-ray photoelectron spectroscopy (XPS) and temperature programmed desorption of NO (NO-TPD). Their activity was evaluated for NO reduction by CO under stoichiometric and oxidizing conditions and for direct decomposition of NO. Pd substituted samples exhibited high NO reduction activity and selectivity towards N2. Nearly complete elimination of NO was achieved at 200°C. Two simultaneous reactions, NO reduction by CO and direct decomposition of NO as well as two forms of NO adsorption were observed on the surface of Pd substituted perovskite samples. The distribution of Pd in different catalytically active sites or complexes on at the catalyst surface may be responsible for the proceeding of two reactions: NO reduction with CO and direct NO decomposition.
Ključne reči:
NO decomposition / NO reduction / Palladium catalist / Perovskites
Izvor:
Central European Journal of Chemistry, 2009, 7, 4, 857-863
Izdavač:
  • Versita, Warsaw
Projekti:
  • Sinteza, karakterizacija i testiranje katalitičkih svojstava specijalno dizajniranih materijala (RS-142019)
  • Strukturna i funkcionalna hemija nekih prelaznih i postprelaznih elemenata (RS-142030)

DOI: 10.2478/s11532-009-0065-4

ISSN: 1895-1066

WoS: 000270541000026

Scopus: 2-s2.0-70349968237
[ Google Scholar ]
8
7
URI
http://cer.ihtm.bg.ac.rs/handle/123456789/621
Kolekcije
  • Radovi istraživača / Researchers' publications
Institucija
IHTM
TY  - JOUR
AU  - Khristova, M.S.
AU  - Petrović, Srđan
AU  - Terlecki-Baričević, Ana V.
AU  - Mehandjiev, D.R.
PY  - 2009
UR  - http://cer.ihtm.bg.ac.rs/handle/123456789/621
AB  - The perovskite type oxides (nominal formula LaTi0.5 Mg0.5O3) with addition of Pd were prepared by annealing the ethanol solution of precursors in nitrogen flow at 1200°C and characterized by X-ray powder diffraction (XRD), X-ray photoelectron spectroscopy (XPS) and temperature programmed desorption of NO (NO-TPD). Their activity was evaluated for NO reduction by CO under stoichiometric and oxidizing conditions and for direct decomposition of NO. Pd substituted samples exhibited high NO reduction activity and selectivity towards N2. Nearly complete elimination of NO was achieved at 200°C. Two simultaneous reactions, NO reduction by CO and direct decomposition of NO as well as two forms of NO adsorption were observed on the surface of Pd substituted perovskite samples. The distribution of Pd in different catalytically active sites or complexes on at the catalyst surface may be responsible for the proceeding of two reactions: NO reduction with CO and direct NO decomposition.
PB  - Versita, Warsaw
T2  - Central European Journal of Chemistry
T1  - Catalytic reduction of NO by CO over Pd-doped Perovskite-type catalysts
VL  - 7
IS  - 4
SP  - 857
EP  - 863
DO  - 10.2478/s11532-009-0065-4
ER  - 
@article{
author = "Khristova, M.S. and Petrović, Srđan and Terlecki-Baričević, Ana V. and Mehandjiev, D.R.",
year = "2009",
url = "http://cer.ihtm.bg.ac.rs/handle/123456789/621",
abstract = "The perovskite type oxides (nominal formula LaTi0.5 Mg0.5O3) with addition of Pd were prepared by annealing the ethanol solution of precursors in nitrogen flow at 1200°C and characterized by X-ray powder diffraction (XRD), X-ray photoelectron spectroscopy (XPS) and temperature programmed desorption of NO (NO-TPD). Their activity was evaluated for NO reduction by CO under stoichiometric and oxidizing conditions and for direct decomposition of NO. Pd substituted samples exhibited high NO reduction activity and selectivity towards N2. Nearly complete elimination of NO was achieved at 200°C. Two simultaneous reactions, NO reduction by CO and direct decomposition of NO as well as two forms of NO adsorption were observed on the surface of Pd substituted perovskite samples. The distribution of Pd in different catalytically active sites or complexes on at the catalyst surface may be responsible for the proceeding of two reactions: NO reduction with CO and direct NO decomposition.",
publisher = "Versita, Warsaw",
journal = "Central European Journal of Chemistry",
title = "Catalytic reduction of NO by CO over Pd-doped Perovskite-type catalysts",
volume = "7",
number = "4",
pages = "857-863",
doi = "10.2478/s11532-009-0065-4"
}
Khristova M, Petrović S, Terlecki-Baričević AV, Mehandjiev D. Catalytic reduction of NO by CO over Pd-doped Perovskite-type catalysts. Central European Journal of Chemistry. 2009;7(4):857-863
Khristova, M.S., Petrović, S., Terlecki-Baričević, A. V.,& Mehandjiev, D.R. (2009). Catalytic reduction of NO by CO over Pd-doped Perovskite-type catalysts.
Central European Journal of ChemistryVersita, Warsaw., 7(4), 857-863.
https://doi.org/10.2478/s11532-009-0065-4
Khristova M.S., Petrović Srđan, Terlecki-Baričević Ana V., Mehandjiev D.R., "Catalytic reduction of NO by CO over Pd-doped Perovskite-type catalysts" 7, no. 4 (2009):857-863,
https://doi.org/10.2478/s11532-009-0065-4 .

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