- Mass Transfer - Section 1
- Mass Transfer - Section 2
- Mass Transfer - Section 3
- Mass Transfer - Section 4
- Mass Transfer - Section 5
- Mass Transfer - Section 6
- Mass Transfer - Section 7
- Mass Transfer - Section 8
- Mass Transfer - Section 9
- Mass Transfer - Section 10
- Mass Transfer - Section 11
- Mass Transfer - Section 12
- Mass Transfer - Section 13
- Mass Transfer - Section 14


Mass Transfer - Engineering
Q1: In McCabe-Thiele method, at infinite reflux ratioA the overhead product is minimum.
B both the operating lines coincide with diagonal.
C both (a) and (b).
D neither (a) nor (b).
ANS:A - the overhead product is minimum. In distillation, the "overhead product" refers to the distillate or the product collected from the top of the distillation column. In the context of binary distillation (separation of a mixture into two components), the overhead product is the product containing the more volatile component. When we refer to the "overhead product is minimum" in the context of the McCabe-Thiele method at infinite reflux ratio, it means that the distillate collected is nearly pure with respect to the more volatile component. This occurs because as the reflux ratio increases towards infinity, the amount of reflux (condensed vapor returned to the column) also increases significantly. At infinite reflux ratio:
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