Synthesis Characterization And Catalytic Reduction Of Nox Emissions Over Lamno3 Perovskite

Synthesis, characterization and catalytic reduction of NOx emissions over LaMnO3 Perovskite

Autori: Helmut Papp, Ion Balasanian, Liliana-Mihaela Chirilă, Wladimir Suprun
Data aparitiei: November/December 2007
Revista: Environmental Engineering and Management Journal › Vol. 6 › Nr. 6
ISSN: 1843 - 3707

Pret: Gratuit

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Abstract
The perovskite structure was synthesized by sol-gel method type citrate. Three perovskite LaMnO₃ samples were obtained after calcination and were characterized by XRD, XPS and TPR. The catalytic testing was carried out in SCR-HC equipment (HC=C₃H₆ and C₃H₆respectively) in presence and also in absence of oxygen atmosphere. The results pointed out a good activity in NO_x reduction but only in oxygen absence. As it was expecting, LaMnO₃ perovskite has shown a good activity for hydrocarbons oxidation

Cuvinte cheie: citrate sol-gel perovskites SCR-HC

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