Transcribed Image Text: Q2)A distillation column separates 5000 kg/h of a 60%benzene-40% toluene mixture. The product D recovered from the condenser

Excerpt
elsewhere. Assume that the compositions of the streams at the top of the column (V), the product withdrawn (D), and the reflux (R) are identical because the V stream is condensed completely. Find the ratio of the amount refluxed R to the product withdrawn (D).

Transcribed Image Text: Q2)A distillation column separates 5000 kg/h of a 60%benzene-40% toluene mixture. The product D recovered
from the condenser at the top of the column contains 90% benzene, and the bottom W from the column contains
92% toluene. The vapor stream V entering the condenser from the top of the column is 4000 kg/hr. A portion of
the product from the condenser is returned to the column as reflux, and the rest is withdrawn for use elsewhere.
Assume that the compositions of the streams at the top of the column (V), the product withdrawn (D), and the
reflux (R) are identical because the V stream is condensed completely. Find the ratio of the amount refluxed R to
the product withdrawn (D).

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