P10-21 When the impurity cumene hydroperoxide is present in trace amounts in a cumene feed stream, it can deactivate the silica-alumina catalyst over which cumene is being cracked to form benzene and propy- lene. The following data were taken at 1 atm and 420°C in a differential reactor. The feed consists of cumene and a trace (0.08 mol %) of cumene hydroperoxide (CHP). Benzene in Exit Stream (mol %) 1 (8) 2 1.62 1.31 1.06 0.85 0.56 0.37 0.24 0 50 100 150 200 300 400 500 == (a) Determine the order of decay and the decay constant. (Ans.: kg 4,27 x 10-3 s) (b) As a first approximation (actually a rather good one), we shall neglect the denominator of the cat- alytic rate law and consider the reaction to be first order in cumene. Given that the specific reac- tion rate with respect to cumene is k = 3.8 X 103 mol/kg fresh cat s atm, the molar flow rate of cumene (99.92% cumene, 0.08% CHP) is 200 mol/min, the entering concentration is 0.06 kmol/m³, the catalyst weight is 100 kg, and the velocity of solids is 1.0 kg/min, what conversion of cumene will be achieved in a moving-hed reactor? and CO is often carried out at high temperatures