Mass Transfer Operations I

Week 1: Introduction & Overview of Mass Transfer Operation, Molecular and Eddy Diffusion, Diffusion velocities and Fluxes, Fick’s First and Second Law, Steady state molecular diffusion in fluids under stagnantand laminar flow conditions

Week 2: Diffusion through variable cross-sectional area, Gas phase diffusion coefficient measurement, Gas phase diffusion coefficient Prediction, and liquid phase diffusion coefficient measurement and prediction, Multicomponent diffusion and diffusivity in solids

Week 3: Mass transfer coefficient concept and classifications, Dimensionless groups and correlations for convective mass transfer coefficients, Mass transfer coefficient in laminar flow, Boundary Layer Theory and mass transfer coefficients in turbulent flow

Week 4: Mass transfer theories, Interphase mass transfer, Interphase mass transfer and material balance for operating line, Number of ideal stages in counter current operation: graphical and algebraic methods

Week 5: Introduction, classification, Sparged and agitated vessels design, Gas dispersed: Tray tower, Sieve Tray, Liquid dispersed: Venture scrubber, wetted wall column, Packed tower

Week 6: Introduction to absorption, Equilibrium in gas-liquid system, and minimum liquid rate, Design of packed column absorber based on the Individual Mass Transfer Coefficient, Design of packed column absorber based on the Overall Mass Transfer Coefficient

Week 7: Height Equivalent to a Theoretical Plate (HETP), Design of packed column absorber for dilute and concentrated gases, Absorption in plate column: Method of McCabe & Thiele-graphical determination of ideal trays and Introduction to multicomponent absorption

Week 8: Introduction to distillation, binary equilibrium diagrams and concept of relative volatility, Distillation in non-ideal systems and concept of enthalpy-concentration diagram, Flash distillation

Week 9: Batch and steam distillation, Continuous multistate fractionation, Number of trays by McCabe & Thiele for distillation

Week 10: Limiting cases: total reflux and minimum reflux, Reflux below its bubble point: Sub-cooled reflux and use of open steam, Multiple feeds, multiple product withdrawal or side streams

Week 11: Multistage batch distillation with reflux, The Ponchon-Savarit method

Week 12: Distillation in packed towers, Introduction to multicomponent distillation and multicomponent flash distillation, Minimum stages and minimum reflux in a multicomponent distillation, Multicomponent batch distillation