Formalin Production

Page 55

Thus:

CAo = CAo

Fm = Vo

2.02 160.9

= 0.0126

Kmol 3

m From (3)

τ

=

∫XAf 1/RT + k2 CA dXA

CAo

k C

0

Put

1 RT

k1

τ

1

=

1 8.314x519.3

=

0.00189

=

0.8492

k2

=

=

CAO

∫0.874 0

Since CA

A

=

CAO

12394

& XAF = 0.874

0.00189+12394 CA 0.8492 CA

(1-XA)

dXA

So (4) becomes:

(1+0.33XA)

τ

= CAO

∫0.874 0

Put CAO =

τ

(1+0.33XA)

CAO (1-XA)

(0.00189(1+0.33XA)+12394CAO(1-XA))

dXA

(1+0.33XA)

0.0126 & simplify

= 1.178

∫0.874 0.00189(1+0.33XA) +0.0126x12394(1-XA) dXA 0

(1-XA)

55


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