This study performance is to examine the kinetics over nanoscale copper-cerium bimetallic catalyst under selective catalytic oxidation (SCO)
of ammonia to N2 in a tubular fixed-bed reactor (TFBR) at temperatures from 150 to 400 ◦C in the presence of oxygen. The nanoscale coppercerium
bimetallic catalyst was prepared by co-precipitation with Cu(NO3)2 and Ce(NO3)3 at molar ratio of 6:4. Experimental results showed
that the catalyst with transmission electron microscopy (TEM) revealed that copper and cerium are well dispersed and catalyst in the form of
nanometer-sized particles. Moreover, the kinetic behavior of NH3 oxidation with catalysis can be accounted by using the rate expression of the
Langmuir–Hinshelwood type kinetic model. Kinetic parameters are also developed on the basis of the differential reactor data. Also, experimental
results are compared with those of the model predicted.