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Catalyst potential sodium coverage

Figure 5.54. Effect of sodium coverage on the change AUWR of polycrystalline Pt catalyst potential UWr and on the catalytic rates of CO oxidation (solid lines37) and C2H4 oxidation (dashed lines36). Comparison with the theoretical Na coverage required to form the Pt(l 11)-(12xl2)-Na adlayer 0 is based on the number of surface Pt atoms 09a is based on the number of surface O atoms corresponding to the Pt(l 1 l)-(2x2)-0 adlattice. Reprinted from ref. 78 with permission from Elsevier Science,... Figure 5.54. Effect of sodium coverage on the change AUWR of polycrystalline Pt catalyst potential UWr and on the catalytic rates of CO oxidation (solid lines37) and C2H4 oxidation (dashed lines36). Comparison with the theoretical Na coverage required to form the Pt(l 11)-(12xl2)-Na adlayer 0 is based on the number of surface Pt atoms 09a is based on the number of surface O atoms corresponding to the Pt(l 1 l)-(2x2)-0 adlattice. Reprinted from ref. 78 with permission from Elsevier Science,...
In Figure 4.42 we have seen already the effect of catalyst potential UWr, corresponding sodium coverage 0n3 and C2H4CI2 partial pressure on the selectivity to ethylene oxide. For UWr = -0.25 V and Pc2H4Ci2=l-0 ppm the selectivity to ethylene oxide is 88%, which is one of the highest values reported for this important reaction.22... [Pg.446]

See other pages where Catalyst potential sodium coverage is mentioned: [Pg.266]    [Pg.440]    [Pg.517]    [Pg.520]    [Pg.612]    [Pg.614]    [Pg.624]    [Pg.82]    [Pg.263]   
See also in sourсe #XX -- [ Pg.177 , Pg.178 ]



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