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| Content Provider | Springer Nature Link |
|---|---|
| Author | Lamonier, J. F. Sergent, N. Matta, J. Aboukaïs, A. |
| Copyright Year | 2001 |
| Abstract | Thermal analysis has been used to investigate the crystallization of Zr$_{x}$Ce$_{1-x}$O$_{2}$ mixed oxides, prepared by co-precipitation of corresponding hydroxides. For x≤0.5, small crystals of CeO$_{2}$, were formed at low temperatures (373 K). For x>0.5an exothermic peak at 420°C (693 K) was observed after calcination under a flow of air ofhydroxide samples. This peak was associated with the formation of a Zr$_{x}$Ce$_{1-x}$O$_{2}$ solid solution (XRD) in a tetragonal phase (Raman).The solids calcined at 700°C (973 K) present a reactivity towards the carbon black oxidation. The thermal analysis coupled with a gas chromatograph (GC) were used to follow this reactivity. Simultaneous study of the activity (thermal analysis) and the selectivity (GC) in CO or CO$_{2}$ of the different catalysts revealed an important parameter: acatalyst-soot particle contact. We also obtained a more precise comparison of Zr$_{x}$Ce$_{1-x}$O$_{2}$ oxides in the catalytic soot combustion. |
| Starting Page | 645 |
| Ending Page | 658 |
| Page Count | 14 |
| File Format | |
| ISSN | 13886150 |
| Journal | Journal of thermal analysis |
| Volume Number | 66 |
| Issue Number | 2 |
| e-ISSN | 15728943 |
| Language | English |
| Publisher | Kluwer Academic Publishers |
| Publisher Date | 2001-01-01 |
| Publisher Place | Dordrecht |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Inorganic Chemistry Physical Chemistry Polymer Sciences Measurement Science, Instrumentation |
| Content Type | Text |
| Resource Type | Article |
| Subject | Physical and Theoretical Chemistry Condensed Matter Physics |
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