Differential or Simple Distillation

Refer to Fig.(7).

  • Rayleigh’s Equation: \[\ln \frac{F}{W} = \int_{x_W}^{x_F}\frac{dx}{y^*-x}\]

  • For constant \(\alpha\): \[\ln \frac{Fx_F}{Wx_W} = \alpha \ln \frac{F(1-x_F)}{W(1-x_W)}\]