TPR study and catalytic performance of noble metals modified Al2O3, TiO2 and ZrO2 for low-temperature NH3-SCO
| Autor: | Magdalena, Barbara Jabłońska, Magdalena Jabłońska |
|---|---|
| Rok vydání: | 2015 |
| Předmět: |
Anatase
Materials science Process Chemistry and Technology Inorganic chemistry chemistry.chemical_element General Chemistry Atmospheric temperature range Copper Redox Catalysis Rhodium Ammonia chemistry.chemical_compound oxide supports chemistry redox properties ammonia oxidation platinum $NH_3-SCO$ Platinum |
| Zdroj: | Catalysis Communications. 70:66-71 |
| ISSN: | 1566-7367 |
| DOI: | 10.1016/j.catcom.2015.07.012 |
| Popis: | A series of γ-Al 2 O 3 , TiO 2 (anatase) and mt-ZrO 2 were impregnated with 1.0 wt.% of Cu or Fe and/or with 0.05 wt.% of Pt, Pd or Rh. The obtained samples were tested as catalysts of the selective catalytic oxidation of ammonia. An interesting class of zirconia and titania supported catalysts is based on copper. Modification of these catalysts with noble metals significantly decreased temperature of the ammonia oxidation. Platinum doped catalysts exhibited the highest activity, while rhodium based materials were the most selective catalysts in the studied temperature range. Catalytic performances of tested materials were consistent with their redox properties. |
| Databáze: | OpenAIRE |
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