Sulfur Resistance of Pt-W Catalysts

Table 2

Values of the initial rate of hydrogenation of styrene and fraction of poisoned sites (𝛼).

Catalysts	𝑟^∘sf; (mol L^−1 min^−1)	𝑟^∘sp; (mol L^−1 min^−1)	α
Pt/Al	0.24 ± 0.01	0.14 ± 0.01	0.49
WPt/Al	0.13 ± 0.01	0.09 ± 0.01	0.32
PtW/Al	0.11 ± 0.01	0.05 ± 0.01	0.50