These are Mass Transfer (MT) handwritten notes covering topics; 
Diffusion and Convective MT
Dimensionless numbers
Analogies between HT, MT and Momentum Transfer
Interface MT
Distillation
Humidification and dehumidification
Drying
Adsorption
Absorption
Liquid-liquid extraction
Leaching
 
All topics have been thoroughly discussed with definitions, concepts and deriviations. It will help you in preparations for classroom exams and interviews.