Example 10-6 Catalyst Decay in a Fluidized Bed Modeled as a CSTR |POLVER05_0 d(a)/d(t) = -kd*a*Ca # d(Ca)/d(t) = Ca0/tau-((1+yao)/(1+Ca/Ct0)+tau*a*k)*Ca/tau # kd = 9 # Ca0 = .8 # tau = .02 # Ct0 = 1 # k = 45 # yao = Ca0/Ct0 # X = 1-(1+yao)/(1+Ca/Ct0)*Ca/Ca0 # t(0)=0 a(0)=1 Ca(0)=0.8 t(f)=0.5