Activity of Low-Co/Al-Ratio Mixed Oxides Derived from Co-LDH Precursors in the Flameless Combustion of Methane

Maria Clara Adum de Paiva*, Claudio Maris Ferreira and Marcelo Hawrylak Herbst
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Maria Clara Adum de Paiva*: Laboratório de Síntese Inorgânica e Materiais, Programa de Pós-graduação em Química, Universidade Federal Rural do Rio de Janeiro, Seropédica, RJ, Brazil
Claudio Maris Ferreira: Laboratório de Catálise, Instituto Nacional de Tecnologia, Rio de Janeiro, RJ, Brazil
Marcelo Hawrylak Herbst: Laboratório de Síntese Inorgânica e Materiais, Programa de Pós-graduação em Química, Universidade Federal Rural do Rio de Janeiro, Seropédica, RJ, Brazil

Academic Journal of Chemistry, 2019, vol. 4, issue 5, 21-26

Abstract: Co-LDH or Co-LDH-Gibbsite precursors were prepared by wetness impregnation and co-precipitation of 9% CoII. Mixed oxides obtained from the calcination at 800°C were characterized by XRD, FTIR and SEM-EDS. XRD showed only spinel and periclase crystalline phases. The activity of total methane combustion for five mixed oxides was tested at atmospheric pressure between 350°C and 600°C. The material obtained from the Co-LDH-Gibbsite precursor ignites methane at T

Keywords: Layered double hydroxides; Mixed oxides; Cobalt spinel; Methane total combustion. (search for similar items in EconPapers)
Date: 2019
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Persistent link: https://EconPapers.repec.org/RePEc:arp:ajcarp:2019:p:21-26

DOI: 10.32861/ajc.45.21.26

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