The irreversible vapor-phase reaction follows an elementary rate law and is carried out in a CSTR. Species A is fed into the reactor at 10 mol/min at a pressure of 2 atm. An inert stream ! am also fed to the reactor at 2 atm as shown above. The entrance temperature of both streams is at 1100 K.

Fao = 10 mol/min

CAOl

Fio

A K B+ C - TA = KCA

I.

IL.

Derive an expression for CaoI as a function of CAo, Cio and

Estimate the volume of the reactor at 60% conversion if 01 = 8.

Additional data:

170 J

]

]

=

mol K" CPB = 90

mol K" CPc = 80

mol K Cpi = 200 mol/K

M = (3431-34222)

1

min

AHrx

= 80,000 J/mol

Problem 1 The irreversible vapor-phase reaction follows an elementary rate law and is carried out in a CSTR. Species A is fed into the reactor at 10mol/min at a pressure of 2atm. An inert stream I at 1100K. AkB+CrA=kCA I. Derive an expression for CA01 as a function of CA0,C10 and 1 II. Estimate the volume of the reactor at 60% conversion if 1=8. Additional data: CPA=molK170J,CPB=90molKJ,CPC=80molKJ,CPI=200molJ/Kk=e(34.34T34222)min1HRX=80,000J/mol