Abhaya Datye - Department of Chemical Engineering

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Arrhenius plot for Ethylene Hydrogenation on 0.5 Pd - 0.5Ag/SiO2 catalysts-13Eactivation (kcal/mol) = 20.5 + 0.4ln(Ethane formed)-15-17Eactivation (kcal/mol) = 13.5 + 0.3-190.0024 0.0026 0.00281/T (1/K)Reduced at 500 CReduced at 100 C
Schematic <strong>of</strong> RestructuringPhenomena in Pd-AgHigh Temperature ReductionHigh Temp OxidationPdOAgPd-Ag alloyEnrichment <strong>of</strong> Ag on Pd surfaceLow Temp OxidationPdAg 2O
Page 1 and 2: Nanostructured CatalystsAbhaya K. D
Page 3 and 4: Control of Surface Compositionand S
Page 6 and 7: Operating Conditions• Our reactio
Page 8 and 9: High Temperature Reduction Causes a
Page 10 and 11: Effect of CO adsorption onActivatio
Page 12 and 13: On Pd-Ag/SiO2 , we see morelinearly
Page 14 and 15: Pd/ SiO 2We see no effect of pretre
Page 18 and 19: Summary• High temperature pretrea
Page 20 and 21: Autoclave RouteReaction MixtureAuto
Page 22 and 23: Aerosol RouteCalcination• Evapora
Page 24 and 25: ComparisonAerosol Synthesis• Cont
Page 26 and 27: After Hydrothermal Stability Test a
Page 28 and 29: TEM/STEM images of Au/NH 2 -MCM-41T
Page 30 and 31: Diffusion of Three-Dimensional Meta
Page 32 and 33: Conventional STMEach image takes se
Page 34 and 35: DepositingPd300x300Å 2 300x300Å 2
Page 36 and 37: Atom-Tracking of PdParticle Diffusi
Page 38: 3-D D Monte Carlo model gives insig

Abhaya Datye - Department of Chemical Engineering

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