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

Author

Listed:
  • 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)

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

Suggested Citation

  • Maria Clara Adum de Paiva* & Claudio Maris Ferreira & Marcelo Hawrylak Herbst, 2019. "Activity of Low-Co/Al-Ratio Mixed Oxides Derived from Co-LDH Precursors in the Flameless Combustion of Methane," Academic Journal of Chemistry, Academic Research Publishing Group, vol. 4(5), pages 21-26, 05-2019.
    • Handle: RePEc:arp:ajcarp:2019:p:21-26
    DOI: 10.32861/ajc.45.21.26
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