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Magnetite and Maghemite as Gold-Supports for Catalyzed CO Oxidation at Low Temperature

Goran Šmit ; Faculty of Education, J. J. Strossmayer University of Osijek, L. Jägera 9, 31 000 Osijek, Croatia


Puni tekst: engleski pdf 120 Kb

str. 269-271

preuzimanja: 455

citiraj


Sažetak

A supported gold catalyst was prepared by the deposition-precipitation method from an aqueous solution of HAuCl4 ⋅ 3H2O on synthesized Fe3O4. Calcination at different temperatures caused transformations of Fe3O4 to γ-Fe2O3 and α-Fe2O3. CO oxidations over Au/Fe3O4 and Au/γ-Fe2O3 were superior compared to Au/α-Fe2O3.

Ključne riječi

CO oxidation, supported gold catalysts, iron oxides, magnetite (Fe<sub>3</sub>O<sub>4</sub>), maghemite (&gamma, -Fe<sub>2</sub>O<sub>3</sub>), haematite (&alpha, -Fe<sub>2</sub>O<sub>3</sub>)

Hrčak ID:

103178

URI

https://hrcak.srce.hr/103178

Posjeta: 671 *