Effective Additives of A (Ce, Pr) in Modified Hexaaluminate LaxA1−xNiAl11O19 for Carbon Dioxide Reforming of Methane
A study on Pr or Ce modified hexaaluminates, La x A 1 − x NiAl 11 O 19 ( x = 0.8)and LaNiAl 11 O 19 as catalysts for carbon dioxide reforming of methane was carried out by means of XRD, TGA, XPS and TPR techniques. The experimental results indicate that the catalytic properties of the La 0.8 Pr 0.2...
Gespeichert in:
| Veröffentlicht in: | Catalysis letters 2009, Vol.130 (1-2), p.246-253 |
|---|---|
| Hauptverfasser: | , , , , |
| Format: | Artikel |
| Sprache: | eng |
| Schlagworte: | |
| Online-Zugang: | Volltext |
| Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
| Zusammenfassung: | A study on Pr or Ce modified hexaaluminates, La
x
A
1
−
x
NiAl
11
O
19
(
x
= 0.8)and LaNiAl
11
O
19
as catalysts for carbon dioxide reforming of methane was carried out by means of XRD, TGA, XPS and TPR techniques. The experimental results indicate that the catalytic properties of the La
0.8
Pr
0.2
NiAl
11
O
19
are more optimal than those of the La
0.8
Ce
0.2
NiAl
11
O
19
. These catalysts were studied in more detail and it was found that the active nickel phase strongly depends on the interactions of the Ni ion and the La ion, which are related to the additives (Ce, Pr). |
|---|---|
| ISSN: | 1011-372X 1572-879X |
| DOI: | 10.1007/s10562-009-9876-3 |