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A combined operando DRIFT and SSITKA study of the methanation reaction over Ni/alumina catalysts is proposed in the absence and in the presence of various poisons representative of bio-mass gasification into syngas. In a detailed kinetic model derived from the direct inventory of the reacting surface, the rate of hydrogenation is shown to be controlled by the probability for a dihydrogen molecule...
The role of Ce0.38Zr0.62O2-δ redox support and that of reactants CH4 and CO2 in the carbon-path of dry reforming of methane (DRM) at 750°C over a 3wt% Ni/Ce0.38Zr0.62O2-δ catalyst were investigated. In particular, meticulously designed SSITKA and other transient isotopic experiments were conducted in an attempt to provide conclusive answers to important issues related to the improvement of CeZrO2-supported...
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