Question: Acetic acid can be produced through the given balanced reaction and with the process shown in the image. C a ( C 2 H 3

Acetic acid can be produced through the given balanced reaction and with the process shown in the image.

C a (C_{2} H_{3} O_{2})_{2} + H_{2} S O_{4} C a S O_{4} + 2 C_{2} H_{4} O_{2}

In the process,

535 l \frac{b}{h}

of fresh

C a (C_{2} H_{3} O_{2})_{2}

and enough

H_{2} S O_{4}

to be in

10.0 %

excess for converting the fresh

C a (C_{2} H_{3} O_{2})_{2}

is fed into the reactor. The single pass conversion of

C a (C_{2} H_{3} O_{2})_{2}

in the reactor is

90.0 % .

Determine the amount of

C a (C_{2} H_{3} O_{2})_{2}

recycled and the production rate of

C_{2} H_{4} O_{2}

by performing the given steps.

What is an expression for the amount of

C a (C_{2} H_{3} O_{2})_{2} .

entering the reactor,

m_{3},

in terms of the recycled flow of

C a (C_{2} H_{3} O_{2})_{2}, m_{8},

and the fresh feed of

C a (C_{2} H_{3} O_{2})_{2}, m_{2} ?

m_{3} =

What is an expression for the amount of unreacted

C a (C_{2} H_{3} O_{2})_{2}

leaving the reactor,

m_{4},

in terms of the amount of

C a (C_{2} H_{3} O_{2})_{2}

in the recycle stream,

m_{8} ?

m_{4} =

What is an expression for the amount of unreacted

C a (C_{2} H_{3} O_{2})_{2}

leaving the reactor,

m_{4},

in terms of

m_{3} ?

m_{4} =

Substitute the first two expressions into the last expression to eliminate the

m_{4}

and

m_{3}

terms. Plug in known values and solve for the amount of

C a (C_{2} H_{3} O_{2})_{2}

in the recycle stream,

m_{8} =

C a \frac{(C_{2} H_{3} O_{2})_{2}}{h} m_{8} .

To find the production rate of

C_{2} H_{4} O_{2},

first calculate the flow rate of fresh

C a (C_{2} H_{3} O_{2})_{2}

l b - m o \frac{l}{h} .

flow rate:

-

molCa

\frac{(C_{2} H_{3} O_{2})_{2}}{h}

For every pound

-

mole

(

-

mol

)

of fresh

C a (C_{2} H_{3} O_{2})_{2}

that enters the process, how many pound

-

moles of

C_{2} H_{4} O_{2}

leave the process?

amount leaving:

l b - m o l C_{2} H_{4} O_{2}

What is the flow rate of

C_{2} H_{4} O_{2}

in the product streum in

l b - m o \frac{l}{h} ?

flow rate:

b - m o l C l_{2} H_{4} O_{2} h

What is the flow rute of

C_{2} H_{4} O_{2}

in the product stream in pounds per hour

(l \frac{b}{h}) ?

m_{3} =

i b C_{2} H_{4} O_{2} m

Acetic acid can be produced through the given balanced reaction and

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