Process Design Calculation for Pharma, Chemical Engineering Calculation, Effluent Treatment Plant, Process Safety Calculation, Vent Sizing for reactive and non-reactive system, Emergency relief system design, Scrubber system design, Purified water system design, solvent recovery plant design, Multiple effect evaporator design, Heat exchanger & condenser design, vapor liquid separator design, Distillation Column Design, PSA System for solvent drying etc.