These are Distillation handwritten notes covering topics; 
Raoult’s and Henry's law
Enthalpy-concentration diagram
Equilibrium diagram at constant pressure and temperature
Relative volatility
Methods of Distillation-Simple/batch distillation, flash distillation, Fractionation
Rectifying and stripping section with material balance
Operating line of feed, stripping and rectifying section
McCabe Thiele method
Total and minimum reflux ratio and optimum refulux ratio
Fenske’s equation, Underwood equation and Gilliland correlation
 Efficiencies-Overall, Murphree and point efficiency
Type of Trays-Bubble cap, valve and sieve tray
Steam distillation, Azeotropic distillation, Extractive distillation
 
All topics have been thoroughly discussed with definitions, concepts and deriviations. It will help you in preparations for classroom exams and interviews.