Assumption: feed enters as saturated liquid (q=1).

Result

Minimum theoretical stages—
This is the absolute minimum, at total reflux (R=∞) — a real column needs more stages than this.

Result

Required theoretical stages—
Distillate yield (D/F)—
Minimum reflux (Rmin)—
Status—

Result

Minimum reflux (Rmin)—
Minimum stages (N∞)—

Stages vs Reflux