Answer / dinesh patil

The quantity is based on solubility of solvent at that
particular thempreture and Pressure.

At room temperture & pressure ,suppose the feed quanity is
as (A = 10 kg, B=15kg, solubility of solvent is 0.150 kg
of B/kg of sovent while that of A is negligible.

Solvent required to extract 15 kg of B = (15/0.150)= 1000
kg.

If we increase the T & / P solubility increase then we have
to take respective solubility value at that particular T
& / P while calculation the solvent.

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