Question: just solve the integral in details in part e P6-6 A Consider the following system of gas-phase reactions: AXABAYrX=k1CA1/2rB=k2CAry=k3CA2k1=0.004(moldm)3/2mink2=0.3min1k3=0.25dm3/molmin B is the desired product, and

P6-6 A Consider the following system of gas-phase reactions: AXABAYrX=k1CA1/2rB=k2CAry=k3CA2k1=0.004(moldm)3/2mink2=0.3min1k3=0.25dm3/molmin B is the desired product, and X and Y are foul pollusants that are cxpensive to get rid of. The specific reaction rates are at 27C. The reaction system is to be operated at 27C and 4atm. Pure A cnters the system at a volumetric flow rate of 10dm3/min. (a) Sketch the instantaneous sclectivities (SBXXSB and SBX=rB/(rX+rY)) as a function of the concentration of CA. (b) Consider a series of reactors. What should be the volume of the first reactor? (c) What are the effluent concentrations of A, B. X. and Y from the first reactor. 364 Multiple Reactions (d) What is the conversion of A in the first reactor? (e) If 99% conversion of A is desired. what reaction scheme and re sizes should you use to maximize SBXx ? (f) Suppose that E1=20,000cal/mol,E2=10.000calol and E3=3( cal/mol. What temperature would you recommend for a single CSTR a space time of 10min and an entering concentration of A of 0.1mol/a (g) If you could vary the pressure between I and 100atm. what pre: would you choose? P6-6 (e) A CSTR followed by a PFR should be used. Required conversion =0.99 For PFR, Mole balance: dXdV=rAFA0 V=100.1620.740.99(k1CA1/2+k2CA+k3CA2)dX=92.8dm3
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