Chemical Engineering - Mass Transfer - Discussion
Discussion Forum : Mass Transfer - Section 2 (Q.No. 21)
21.
In case of binary distillation, increasing the reflux ratio above optimum does not result in the increase of
Discussion:
2 comments Page 1 of 1.
M Nezar said:
9 years ago
It's wrong choose. If reflux ratio increace, then the tray will be decrease. So the area between operating and diagonal lines increases.
Anoms said:
9 years ago
The rays are not drawn between operating line & diagonal but drawn between operating line & equilibrium curve.
As recycle ratio (L/D) increases, slop of enriching section will increases which drives off upper operating line far away from diagonal which results in an increase in area between both the line.
As recycle ratio (L/D) increases, slop of enriching section will increases which drives off upper operating line far away from diagonal which results in an increase in area between both the line.
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