Catalytic oxidation of phenol in aqueous solution sulu

The oxidation of phenol in aqueous solution over a supported copper oxide, zinc oxide catalyst was studied at atmospheric pressure. The reaction involved an introduction period and a steady-state-activity regime, both of the regimes exhibiting first,order behavior with respect to the phenol concentration. The rates decreased as the catalyst concentration increased which implies that the reaction involves a heterogeneous-homogeneous free-radical mechanism. The rate constants k1 and k2 for the initial rate and steady-state-activity regime are represented by K1=1.3*1010 e-93/RTand k2=2.0*10-4 e-47/RT, respectively, where R is in kj/mol K.