Electrochemical Performance of La0.8Sr0.2Ga0.8Mg0.2O3−δ Infiltrated Cells in Biogas
2017
The Dry reforming of methane (DRM) is as an efficient way for CH4 and CO2 valorisation because the produced
syn-gas has an H2/CO ratio equal to that suitable for the synthesis of oxygenated hydrocarbons and synthetic
fuels. The development of Ni (10 wt%) based structured and unstructured catalysts promoted by a small amount
of Ru (0.5 wt%) has been investigated. Unstructured catalysts were prepared by wet impregnation method
and a combination of wash coating-wet impregnation methods was used for cordierite monoliths. Ru promoted
catalyst (Ni–Ru) was remarkable active showing higher reactant conversions and H2/CO ratio compared with
Ni catalyst. Ni–Ru monolith was initially much more active than monometallic Ni stating the positive effect of
Ru on maintaining Ni reduced. Reaching steady state condition, Ni rapidly deactivated due to carbon formation,
whereas Ni–Ru monolith remained stable confirming that Ru behaves as an efficient and cheap promoter of Ni
for DRM.
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