Distillation Designer Skill Purpose The Distillation Designer Skill performs distillation column design including tray and packing selection, hydraulic calculations, and column optimization for vapor-liquid separations. Capabilities - McCabe-Thiele and Ponchon-Savarit methods - Shortcut design calculations (Fenske, Underwood, Gilliland) - Tray hydraulics (flooding, weeping, entrainment) - Packing selection and sizing (HETP, pressure drop) - Feed location optimization - Reflux ratio optimization - Side draw design - Azeotropic and extractive distillation Usage Guidelines When to Use - Designin…