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Catalysts preparation and investigation: laboratory exercise for students

100%

Zawadzki W.

Annales Universitatis Mariae Curie-Skłodowska, sectio AA – Chemia

2019

vol. 74

issue 1

Catalysts preparation, investigation its basic properties, activity and selectivity measurements in carbon dioxide methanation reaction was proposed as laboratory course for international students doing a period of study at Maria Curie-Sklodowska University within the frame of the Erasmus mobility programme.

Activity and stability of cobalt-manganese catalysts in the process of methane flameless combustion

51%

Rotko M., Redko V., Zawadzki W.

Annales Universitatis Mariae Curie-Skłodowska, sectio AA – Chemia

2019

vol. 74

issue 2

Oxide cobalt-manganese catalysts with different contents of cobalt and manganese, as well as pure cobalt and manganese catalysts have been tested in the process of methane flameless combustion (complete catalytic oxidation). The X-ray diffraction and X-ray photoelectron spectroscopy results showed that cobalt-manganese catalysts mainly composed of the spinel phase of Co3O4, Mn2CoO4 and/orMnCo2O4. The highest initial activity was presented bythe cobalt-manganese catalyst withahigh cobalt content.However, after 50-hours stability test the highest activity was presented by the cobalt-manganese catalyst with Co and Mn content close to the equimolar value.

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2 Annales Universitatis Mariae Curie-Skłodowska, sectio AA – Chemia

2 2019

2 Zawadzki W.

1 Redko V.

1 Rotko M.

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Catalysts preparation and investigation: laboratory exercise for students

Activity and stability of cobalt-manganese catalysts in the process of methane flameless combustion