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Lecture Thursday 4/3/08

Lecture Thursday 4/3/08. Normal Pentene  Iso-Pentane Langmuir Adsorption Isotherm Catalytic Converters for Automobiles. Last Time. Catalytic Reforming Reaction (Gasoline) Normal Pentane Octane Number =62 Iso-Pentane Octane Number=90

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Lecture Thursday 4/3/08

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  1. Lecture Thursday 4/3/08 Normal Pentene  Iso-Pentane Langmuir Adsorption Isotherm Catalytic Converters for Automobiles

  2. Last Time Catalytic Reforming Reaction (Gasoline) Normal Pentane Octane Number =62 Iso-Pentane Octane Number=90 Normal Pentene  Iso-Pentane

  3. Steps in a Catalytic Reaction

  4. More Catalysis Increasing T Slope=kA Langmuir Adsorption Isotherm

  5. Automotive Catalytic Converters -Placed inline with exhaust system (~ $500) -NOx plays big role in smog formation Propose a mechanism (from graph data, we see CO2 is not on the surface and that the surface reaction is irreversible)

  6. Is this consistent with the given data? -No CO2 in rate law -rate law decreases as PN2 increases The contribution of PN2 is very small and can be neglected optimum

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