Author： van Gruijthuijsen L.M.P. Louwers S.P.A. van Santen R.A. Niemantsverdriet J.W.
Publisher： Springer Publishing Company
ISSN： 1011-372X
Source： Catalysis Letters, Vol.43, Iss.1-2, 1997-01, pp. : 45-49
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Abstract
Bimetallic FeIr/SiO2 catalysts that are active for methanol production from synthesis gas (CO+H2) bind CO less strongly, and exhibit higher activity for the hydrogenation of ethylene in the presence of CO, than catalysts that produce mainly methane. It is argued that promotion of the noble metal serves to weaken the adsorption of CO, thereby lowering its tendency to dissociate, and, most importantly, enhancing the surface coverage of hydrogen. Both factors are favorable for methanol formation.
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