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Chapter 1: Mole Balance

Material Balance:

IN – OUT + GENERATION =ACCUMULATION

FAO - FA + GA = dNA / dt

ΔGA=r A Δ!→G  A=∫r A dV 

FAO - FA + ∫r A dV   = dNA/dt

 NA"=CA"!"

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FA"=FA="

 F  AO− F  A+∫0

V 

r A dV =d N 

dt 

r A V =d N  A

dt 

 F  AO− F  A+∫0

V 

r A dV =

dt =0

 F  AO− F  A+∫0

V 

r A dV =

 F  AO− F  A+r AV =0

 F  AO− F  A+∫0

V 

r A dV 

 F  AO− F  A+∫0

V 

r A dV 

d F  A

dV   =r A

%a&e a' 6FR .t !$l.&ec#an*e t$ 0ei*#t $

catal,'t

d F  A

dW  =r A

Chapter 2: Conversion and Reactor Sizing

conversion( X  A)=molesof species A reacted

molesof A∈feed

 N  A= N  A0− N  A0

  F  A= F  A0− F  A0

 X 

 Differe N  AO

dX 

dt  =−r A   F  AO

d X  A

dV   =−r A

 F  AO

dX 

dW =−r A

 AlgebrV =

 F  AO X 

−r A

 Integr   t = N  AO∫0

 X dX 

−r A V   V = F  AO∫

0

 X dX 

−r A

W = F  AO∫0

 X dX 

−r A

Volume

∫ X 

0

 X 4

f  ( X ) dX =h

3(f   0+4

where h= X 4− X 04

Chapter 3 Rate Law and Stoichiometry

aA + B→

 cC + d9

-r A=8 ACACB

; < +;=reacti$n $rder 

 N i= N i0− i

a N  A0

 X = N  A0θi−

 i

a

7/23/2019 Reaction Engineering Summary C1, C2, C3 & C4

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Chapter 4: sothermal Reactor !esign

Steps:

1" Mole #alance $ !esign

%&'ation2" Rate Law3" Stoichiometry4" Com#ine

(" %val'ate:

• )raphical

• *'merical

• +nalytical

• So,tware

Batch Reactor :

 !ample :2 A→"+#  !ample2: A+" → # (1st 

CS-R:

 !ample : A → "+# 

CS-R in Series

#  An=  #  A0

(1+ $ 1

% 1)

n

 X =1−  1

(1+ $% )n

CS-R in .arallel:

 -'#'lar reactor: /ow does vol'me change a0ect

conversion

C/+.-%R (: Collection and +nalysis o, Rate !ata

.lease mae correction i, do any mistae