Effect of support on the reactive adsorption of CO from low CO concentration streams on the surface of Pd based catalysts
- Bampos Georgios()
- Ramantani Theodora()
- Παναγιωτοπουλου Παρασκευη(http://users.isc.tuc.gr/~ppanagiotopoulou)
- Panagiotopoulou Paraskevi(http://users.isc.tuc.gr/~ppanagiotopoulou)
- Verykios Xenophon E.()
DOIAbstract
Summarization: The influence of the support type (Al2O3, CeO2, ZrO2) on the reactive adsorption of residual CO (<40 ppm) originating from reformate gas mixtures was investigated over Pd-based catalysts in an attempt to eliminate CO to the desired levels for polymer electrolyte membrane (PEM) fuel cells applications. Results showed that the type and physicochemical characteristics of the metal oxide carrier strongly affect the adsorption and desorption characteristics of carbon monoxide, with Pd/ZrO2 catalyst exhibiting optimum performance under both CO/He and CO/CO2/H2/H2O/He flow. Subjection of the catalysts to consecutive cycles of interaction with the reformate mixture and oxidation at 40 °C restricts to some extent the adsorption abilit...
Add to ORKG