Height of packed tower in terms of overall mass transfer coefficient
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From overall mass transfer equation,
( )
*
A y AG A N K y y
one can write for packed
tower as
NA=Ky(y-y*)
Then,
= −
/
1− (−
∗)
(4.10)
where, y* is solute concentration in gas phase that is capable of remaining in
equilibrium with a liquid having a bulk concentration of x.
Therefore,
=
0
=
/
1− (−
∗)
1
2
=
/
1− (−
)
1
2
=
/
( ) 1− (−)
1
2
(4.11)
Graphical integration of right hand side of Equation (4.11):
Operating line AB is drawn in xy plane. Any point (x,y) is taken in operating line.
A vertical line is drawn upto equilibrium line to get y*.
=
/
1− (
∗−)
1
2
=
/
1− (−
∗)
1
2
=
/
( ) 1− (
∗−)
1
2
(4.12)
hope u like it!!!
( )
*
A y AG A N K y y
one can write for packed
tower as
NA=Ky(y-y*)
Then,
= −
/
1− (−
∗)
(4.10)
where, y* is solute concentration in gas phase that is capable of remaining in
equilibrium with a liquid having a bulk concentration of x.
Therefore,
=
0
=
/
1− (−
∗)
1
2
=
/
1− (−
)
1
2
=
/
( ) 1− (−)
1
2
(4.11)
Graphical integration of right hand side of Equation (4.11):
Operating line AB is drawn in xy plane. Any point (x,y) is taken in operating line.
A vertical line is drawn upto equilibrium line to get y*.
=
/
1− (
∗−)
1
2
=
/
1− (−
∗)
1
2
=
/
( ) 1− (
∗−)
1
2
(4.12)
hope u like it!!!
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