Methanation a Classic Structure-insensitive Reaction

Reaction Temperature rc) TOS (min) Part. Pres. ofHf (bar) Rate TOFh (fjmolel (10 gts) s- ) (s) TOFitk (INm) (s- ) Nm Surface (pmole/ Coverage g) (Vo)  

CufRu (atomic) Hydrogen Rate of CO Chemisorption Conv. TOFh (fmol H atomsig) (fmollg/s) (10 s ) ( gmol/g) TOFitk (10- s- ) 

Methanation on Pt catalysts have been studied a number of times. Yang et al. [22] studied methanation on a 2 wt% Pt/Ti02 catalyst reduced at 225°C to avoid SMSI and chemisorption suppression. At the reaction temperature of 225°C and for H2/CO = 3, the TOFchem based on CO chemisorption was 

6 Methanation Summary. Based on extensive data, it would appear that active methanation metals (Ru,Co, Fe, and Ni) give TOF ratios 

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