Mass Transfer Operations I

Overview

Diffusion Mass Transfer:Introduction to mass transfer and diffusion, molecular diffusion in gases, liquids, biological solutions and gels - Diffusivity measurement and prediction , multicomponent diffusion, molecular diffusion in solids - Numerical methods for steady-state molecular diffusion in two dimension - Mass Transfer Coefficients:Concept of mass transfer coefficients, mass transfer under laminar and turbulent flow past solids - Boundary layers, theories of mass transfer and their applications, interphase mass transfer - Equilibrium and diffusion between phases - Use of mass transfer coefficients, mass transfer coefficients for different geometries, material balances and stages.

Equipment for Gas-Liquid Operations:Sparged and agitated vessels, venture scrubber, wetted wall towers - Tray and packed towers, mass transfer coefficients for packed towers - Absorption:Theory and modeling of plate columns, non-isothermal operation (modeling of plate columns) - Modeling of packed columns, introduction to multicomponent absorption - Distillation:Flash distillation, differential distillation, continuous fractionation, modeling by method of McCabe & Thiele - Introduction to multicomponent distillation, azeotropic distillation, extractive distillation.