! Chalmers kinetics for NO/NO2 reactions on Pt/BaO/Al2O3 ! ! RATE = A T^n exp(-Ea/RT) ! ! A : MOL/S or (M*M*M)/S per kg. of catalyst (washcoat) ! Ea: J/MOL ! ! SDEN : MOL/(M*M) ! ! Cat. loading : SDEN * surface area of cat. per unit reactor volume ! {MOL/(M*M*M)} ! ! Cat. loading (Pt) : 4.5E+1 MOL/(M*M*M) ! = 1.7E-1 MOL/(kg. of catalyst) ! (BaO) : 0.6E+0 MOL/(M*M*M) ! = 2.3E-3 MOL/(kg. of catalyst) ! ! Ref : A kinetic study of NO oxidation and NOx storage on Pt/Al2O3 ! and Pt/BaO/Al2O3,J. Phys. Chem. B, 2001, 105 ! ! Contributor: Kalyan Chakravarthy, Oak Ridge National Laboratory ! e:mail: kalyan@msr.epm.ornl.gov ! phone : (865)574-3133 ! ELEMENTS N O ! SPECIES ! MOL/(M*M*M) O2 NO NO2 END ! SITE/PLATINUM SDEN/2.7E-5/ O(PT) NO(PT) NO2(PT) PT END ! SITE/BARIUMOXIDE SDEN/2.7E-5/ NO2(S) O(S) NO3(S) NO2NO3(S) S END ! REACTIONS NO2(PT) + NO3(S) <=> NO2NO3(S) + PT 4.6E8 0.0 66.0E3 COV/O(PT) 0.0 0.0 -11.22E3/ REV/4.7E10 0.0 199.4E3 COV/NO2NO3(S) 0.0 0.0 -45.86E3/