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Effect of redox additives over Ni/Al2O3 catalysts on syngas production via methane catalytic partial oxidation
Alumina-supported nickel catalysts modified with redox (Mo, Mn and Sn) oxides were tested in the catalytic partial oxidation (CPO) of methane and the wet catalytic partial oxidation (wet-CPO) of methane for syngas production. The influence of different reaction parameters on the performance of these...
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Published in: | Fuel (Guildford) 2008-11, Vol.87 (15-16), p.3223-3231 |
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Main Authors: | , , , , , , , |
Format: | Article |
Language: | English |
Citations: | Items that this one cites Items that cite this one |
Online Access: | Get full text |
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Summary: | Alumina-supported nickel catalysts modified with redox (Mo, Mn and Sn) oxides were tested in the catalytic partial oxidation (CPO) of methane and the wet catalytic partial oxidation (wet-CPO) of methane for syngas production. The influence of different reaction parameters on the performance of these systems was studied for both reactions. Certain insights on catalyst surface structure were revealed by means of X-ray photoelectron spectroscopy (XPS) and thermal programmed reduction (TPR). The joint analysis of all the results led to certain correlations between the structure of the catalysts and catalytic activity, indicating that the redox additives to some extent modify the stability of the active nickel phase by altering the nickel-alumina interface interaction. |
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ISSN: | 0016-2361 |
DOI: | 10.1016/j.fuel.2008.05.004 |