SURFACE MECHANISM FOR AMMONIA DECOMPOSITION OVER NICKEL *********************************************************************** **** * **** N2/H2/NH3 - SURFACE MECHANISM OVER NI * **** * **** References:S. Appari, V.M. Janardhanan, S. Jayanti, L. Maier,* **** S. Tischer, O. Deutschmann, Chem., Eng. Sci. 66 (2011)  * **** 5184-5191 * **** 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) * **** * *********************************************************************** STICK H2 +NI(s) +NI(s) >H(s) +H(s) 1.000E-02 0.0 0.00 H(s) +H(s) >NI(s) +NI(s) +H2 3.315E+19 0.0 82.21 **** STICK O2 +NI(s) +NI(s) >O(s) +O(s) 1.000E-02 0.0 0.00 O(s) +O(s) >NI(s) +NI(s) +O2 3.928E+23 0.0 473.41 **** STICK H2O +NI(s) >H2O(s) 1.000E-01 0.0 0.00 H2O(s) >NI(s) +H2O 4.747E+12 0.0 62.09 **** O(s) +H(s) >OH(s) +NI(s) 5.000E+22 0.0 97.90 OH(s) +NI(s) >O(s) +H(s) 1.761E+21 0.0 36.00 **** OH(s) +H(s) >H2O(s) +NI(s) 3.000E+20 0.0 42.70 H2O(s) +NI(s) >OH(s) +H(s) 2.068E+21 0.0 91.07 **** OH(s) +OH(s) >O(s) +H2O(s) 3.000E+21 0.0 100.00 O(s) +H2O(s) >OH(s) +OH(s) 5.871E+23 0.0 210.27 **** STICK NH3 +NI(s) >NH3(s) 1.100E-02 0.0 0.00 NH3(s) >NI(s) +NH3 8.210E+14 0.0 78.63 **** STICK N2 +NI(s) +NI(s) >N(s) +N(s) 1.000E-06 0.0 0.00 N(s) +N(s) >NI(s) +NI(s) +N2 4.442E+22 0.0 210.84 **** NH3(s) +NI(s) >NH2(s) +H(s) 5.723E+22 0.0 78.99 NH2(s) +H(s) >NH3(s) +NI(s) 1.320E+24 0.0 48.81 **** NH2(s) +NI(s) >NH(s) +H(s) 2.718E+22 0.0 75.74 NH(s) +H(s) >NH2(s) +NI(s) 3.702E+19 0.0 74.87 **** NH(s) +NI(s) >N(s) +H(s) 6.213E+19 0.0 22.93 N(s) +H(s) >NH(s) +NI(s) 2.070E+19 0.0 156.04 **** END