SURFACE MECHANISM FOR OXIDATION OF CO OVER PLATINUM *********************************************************************** **** * **** CO/O2 OVER PT - SURFACE MECHANISM * **** thermodynamically consistent (273 - 1273K) * **** * **** D. CHAN, O. DEUTSCHMANN * **** KIT (Karlsruhe Institute of Technology) * **** * **** References: * **** D. Chan, S. Tischer, J. Heck, C. Diehm, O. Deutschmann * **** Applied Catalysis B: Environmental 156–157 (2014) 153–165 * **** www.detchem.com/mechanisms * **** KIT (Karlsruhe Institute of Technology) * **** Contact: mail@detchem.com (O. Deutschmann) * **** www.detchem.com/mechanisms * **** * **** * **** Kinetic data: * **** k = A * T**b * exp (-Ea/RT) A b Ea * **** (cm,mol,s) - kJ/mol * **** * **** STICK: A in next reaction is initial sticking coefficient * **** * **** * **** (DETCHEM format) * **** * *********************************************************************** SURFACE MECHANISM STICK (Pt) +O2 >O2(Pt) 5.000E-02 0.000 0.000 O2(Pt) >(Pt) +O2 5.243E+11 -0.069 19.572 (Pt) +O2(Pt) >O(Pt) +O(Pt) 8.325E+13 -0.000 39.933 O(Pt) +O(Pt) >(Pt) +O2(Pt) 4.444E+21 0.000 264.067 $O(Pt) 0.000 88.200 STICK (Pt) +CO >CO(Pt) 8.400E-01 0.000 0.000 CO(Pt) >(Pt) +CO 7.635E+12 -0.139 143.145 $CO(Pt) 0.000 29.300 STICK (Pt) +CO2 >CO2(Pt) 3.193E-03 -0.035 2.686 CO2(Pt) >(Pt) +CO2 1.894E+10 0.139 21.854 CO(Pt) +O2(Pt) >O(Pt) +CO2(Pt) 4.124E+13 0.069 9.494 $O(Pt) 0.000 -44.100 O(Pt) +CO2(Pt) >CO(Pt) +O2(Pt) 2.910E+23 -0.069 272.505 $CO(Pt) 0.000 -29.300 CO(Pt) +O(Pt) >(Pt) +CO2(Pt) 4.764E+13 0.069 101.361 $CO(Pt) 0.000 29.300 (Pt) +CO2(Pt) >CO(Pt) +O(Pt) 6.297E+20 -0.069 140.239 $O(Pt) 0.000 -44.100 END