In continuous distillation, the internal reflux ratio (Ri) and the external reflux ratio (Re) are related as
A. $${{\text{R}}_{\text{i}}} = \frac{{{{\text{R}}_{\text{e}}}}}{{1 - {{\text{R}}_{\text{e}}}}}$$
B. $${{\text{R}}_{\text{i}}} = \frac{{1 - {{\text{R}}_{\text{e}}}}}{{{{\text{R}}_{\text{e}}}}}$$
C. $${{\text{R}}_{\text{i}}} = {{\text{R}}_{\text{e}}}$$
D. $${{\text{R}}_{\text{i}}} = \frac{{{{\text{R}}_{\text{e}}}}}{{1 + {{\text{R}}_{\text{e}}}}}$$
Answer: Option D
This Question Belongs to Chemical Engineering >> Mass Transfer
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