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- W1996590346 abstract "Co catalysts, based on alumina supports modified with La2O3 and CeO2, have been explored in the steam reforming of ethanol (SRE). The addition of oxygen in the reactants, process called oxy-reforming of ethanol (ORE), and the effect of adding Pt as a promoter were also addressed. One of the main challenges of this system is to hinder carbon deposition that leads to catalyst deactivation. In this work, the stability against carbon deposition was correlated to the control of the Co2+/Co0 ratio, which was addressed by in situ temperature-resolved X-ray absorption near edge spectroscopy (XANES). Temperature- and spatial resolved XANES indicated that the nature of supports, the presence/absence of Pt promoter and the composition of oxidants (water and oxygen) in the feed stream determine the degree of reduction of Co under reaction conditions. The control of the Co2+/Co0 ratio can equilibrate the steps of ethanol activation and carbon oxidation, resulting in stable catalysts." @default.
- W1996590346 created "2016-06-24" @default.
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- W1996590346 date "2012-03-01" @default.
- W1996590346 modified "2023-10-12" @default.
- W1996590346 title "Understanding the stability of Co-supported catalysts during ethanol reforming as addressed by in situ temperature and spatial resolved XAFS analysis" @default.
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- W1996590346 doi "https://doi.org/10.1016/j.jcat.2011.12.013" @default.
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