In-situ DRIFTS steady-state study of CO2 and CO methanation over Ni-promoted catalysts

M. González-Castaño,J. González-Arias,L.F. Bobadilla, E. Ruíz-López,J.A. Odriozola,H. Arellano-García

Fuel（2023）

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摘要

•The impact of Fe and K species in Ni catalysts for CO and CO2 methanation is analysed.•In-situ DRIFTS spectroscopy evidenced similar reaction intermediates for all systems.•CO2 methanation rates relate to the generation of lineal carbonyl intermediates.•The addition of K to Ni-Fe catalysts resulted in depleted CO methanation rates.

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关键词

Potassium,Alkalis,Ni,Ni-Fe alloys,Bimetallic catalysts,CO methanation,CO2 methanation

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