Catalytic Reduction of NO by CO over LaMn1−xFexO3 and La0.8A0.2Mn0.3Fe0.7O3 (A = Sr, Cs, Ba, Ce) Perovskite Catalysts

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dc.contributorMateriales Carbonosos y Medio Ambientees_ES
dc.contributor.authorTarjomannejad, Ali-
dc.contributor.authorFarzi, Ali-
dc.contributor.authorIllán-Gómez, María José-
dc.contributor.authorNiaei, Aligholi-
dc.contributor.authorSalari, Dariush-
dc.contributor.authorAlbaladejo-Fuentes, Vicente-
dc.contributor.otherUniversidad de Alicante. Departamento de Química Inorgánicaes_ES
dc.contributor.otherUniversidad de Alicante. Instituto Universitario de Materialeses_ES
dc.identifier.citationCatalysis Letters. 2016, 146(11): 2330-2340. doi:10.1007/s10562-016-1860-0es_ES
dc.identifier.issn1011-372X (Print)-
dc.identifier.issn1572-879X (Online)-
dc.description.abstractIn this study, LaMn1−xFexO3 (x = 0, 0.3, 0.5, 0.7, 1) and La0.8A0.2Fe0.7Mn0.3O3 (A = Sr, Cs, Ba, Ce) perovskite oxides were synthesized by sol–gel method and their activities were evaluated in catalytic reduction of NO by CO. Perovskite catalysts were characterized by XRD, BET, H2-TPR, XPS and SEM. Synthesized perovskites present a high activity for the catalytic reduction of NO by CO, LaMn0.3Fe0.7O3 Show the highest activity among LaMn1−xFexO3 perovskite catalysts (71 % CO conversion and 82 % NO conversion at 350 °C). The effect of partial substitution of Sr, Cs, Ba and Ce in A-site was also examined on the structure and catalytic activity of LaMn0.3Fe0.7O3 perovskite catalyst. La0.8Sr0.2Fe0.7Mn0.3O3 and La0.8Ce0.2Fe0.7Mn0.3O3 present the highest activities among La0.8A0.2Fe0.7Mn0.3O3 perovskites. The introduction of Sr2+ and Ce4+ in A-site of perovskite change the reducibility of B-site cations and Fe4+/Fe3+ and Mn4+/Mn3+ ratios, and increase Oads/Olatt ratio and these factors create structural defects in perovskite which lead to higher catalytic activities.es_ES
dc.description.sponsorshipFinancial supports from the Iran National Science Foundation (INSF) are gratefully acknowledged.es_ES
dc.publisherSpringer Science+Business Media New Yorkes_ES
dc.rights© Springer Science+Business Media New York 2016es_ES
dc.subjectCatalytic reductiones_ES
dc.subject.otherQuímica Inorgánicaes_ES
dc.titleCatalytic Reduction of NO by CO over LaMn1−xFexO3 and La0.8A0.2Mn0.3Fe0.7O3 (A = Sr, Cs, Ba, Ce) Perovskite Catalystses_ES
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