ANDHRA UNIVERSITY DMCHE 402: Mass Transfer – II
UNIT-I
Humidification: Operations : definition of fundamental terms, Psychometric charts, theory of adiabatic saturation and wet bulb temperature, Lewis relation, gas-liquid contact operations, water cooling with air, dehumidification of air - water - vapor mixture., cooling towers, evaporative cooling. Drying: Equilibria, Drying rate curve, Batch & continuous drying, Time of drying &calculations, mechanism of batch drying, equipment’s for batch and continuous drying operations.
UNIT-II
Liquid - liquid Operations: Extraction: Introduction, liquid-liquid equilibria, analytical and graphical solutions for single and multistage operations, continuous counter current operation without and with reflux, fractional extraction, equipment for liquid-liquid contacting operations, single stage, multistage and continuous contacting equipment.
UNIT-III
Leaching: preparation of solid, steady and unsteady state operation, equipment, analytical methods both theoretical and problematic approaches for single and multistage operations. Adsorption: Theory of adsorption, Industrial adsorbents, adsorption equilibrium, Frendlich equation, single and multistage operations, Unsteady state adsorption, equipment for single stage and continuous contact, Ion-Exchange.
UNIT-IV
Crystallisation: equipment and analytical methods, factors governing nucleation and crystal growth rates, controlled rate of crystals, Incorporation of principles into the design of the equipment, Less conventional operations: Dialysis, Thermal diffusion, Mass Diffusion. Membrance Seperation Processes : Seperation of gases, seperation of liquids, Dialysis, membrances for liquid extraction, pervaporation, reverse osmosis.
Text Book:1. Mass Transfer Operations .,Robert E.Treybal,III Edn, McGraw-Hill Book Co., Reference Book:1."Unit Operations in Chemical Engineering"., McCabe, W.L .,
Smith,J.C. and Harriot, P.,5th Edn,MG-Hill Book Co.,2. "Chemical Engineering Hand Book " J.H.Perry.
UNIT-I
Humidification: Operations : definition of fundamental terms, Psychometric charts, theory of adiabatic saturation and wet bulb temperature, Lewis relation, gas-liquid contact operations, water cooling with air, dehumidification of air - water - vapor mixture., cooling towers, evaporative cooling. Drying: Equilibria, Drying rate curve, Batch & continuous drying, Time of drying &calculations, mechanism of batch drying, equipment’s for batch and continuous drying operations.
UNIT-II
Liquid - liquid Operations: Extraction: Introduction, liquid-liquid equilibria, analytical and graphical solutions for single and multistage operations, continuous counter current operation without and with reflux, fractional extraction, equipment for liquid-liquid contacting operations, single stage, multistage and continuous contacting equipment.
UNIT-III
Leaching: preparation of solid, steady and unsteady state operation, equipment, analytical methods both theoretical and problematic approaches for single and multistage operations. Adsorption: Theory of adsorption, Industrial adsorbents, adsorption equilibrium, Frendlich equation, single and multistage operations, Unsteady state adsorption, equipment for single stage and continuous contact, Ion-Exchange.
UNIT-IV
Crystallisation: equipment and analytical methods, factors governing nucleation and crystal growth rates, controlled rate of crystals, Incorporation of principles into the design of the equipment, Less conventional operations: Dialysis, Thermal diffusion, Mass Diffusion. Membrance Seperation Processes : Seperation of gases, seperation of liquids, Dialysis, membrances for liquid extraction, pervaporation, reverse osmosis.
Text Book:1. Mass Transfer Operations .,Robert E.Treybal,III Edn, McGraw-Hill Book Co., Reference Book:1."Unit Operations in Chemical Engineering"., McCabe, W.L .,
Smith,J.C. and Harriot, P.,5th Edn,MG-Hill Book Co.,2. "Chemical Engineering Hand Book " J.H.Perry.
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