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Combined CO2 reforming and partial oxidation of n-heptane on noble metal zirconia catalysts |
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| Authors: | K.J. Puolakka S. Juutilainen A.O.I. Krause |
| Affiliation: | aDepartment of Chemical Technology, Helsinki University of Technology, P.O. Box 6100, FIN-02015 HUT, Finland bVTT Processes, P.O. Box 1602, FIN-02044 VTT, Finland |
| Abstract: | The combined CO2 reforming and partial oxidation (POX) of n-heptane was studied on various noble metal zirconia catalysts between 700 and 900 °C. The activity order of the metals was Rh > Pd > Ir > Pt. Selectivity to syngas increased with the activity of the catalysts but the H2 to CO molar ratio decreased. The activity and selectivity of the 0.25 wt% Rh/ZrO2 catalyst were close to the performance of a commercial 15 wt% NiO/Al2O3 catalyst. The conversions and product compositions were compared to the calculated thermodynamic equilibria. |
| Keywords: | n-Heptane CO2 reforming Dry reforming Partial oxidation Autothermal reforming Synthesis gas Noble metal Zirconia |
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