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Mass Transfer Operations II

IIT Guwahati, , Prof. Dr. Chandan Das

Updated On 02 Feb, 19

Overview

This course will provide an overview on mass transfer at basic to an intermediate level. This course applies the concepts of diffusion and interphase mass transfer to the analysis of different unit operations such as humidification, drying, adsorption,extraction, leaching, crystallization and membrane processes. The course synthesizes fundamental concepts and analytical skills to understand mass transfer operations and to tackle the sort of complex problems. Information on key topics will be provided in the form of summary of lecture notes, problems and adequate references.

Includes

Lecture 7: Lec 7: Drying: rate of drying for batch dryers

4.1 ( 11 )

Lecture Details

Course Details

COURSE LAYOUT

Week 1: Humidification and air conditioning:
                1. Basic concepts, Adiabatic saturation temperature
                2. Humidification and dehumidification operations and design calculations of cooling tower
                3. Mechanical Draft Towers: forced draft towers and induced draft towers 
Week 2: Humidification and air conditioning:
                1. Key points in the design of cooling tower and Step-by-step design procedure of cooling tower
                2. Air conditioning, Example problems on dehumidification
Week 3: Drying Operations:
                1. Mechanism of drying and drying equilibria; Drying rate curve
                2. Drying: rate of drying for batch dryers
Week 4: Drying Operations:
                1. Drying: rate of drying for continuous dryers
                2. Drying time calculation from drying rate curve
                3. Through circulation and cross circulation drying
Week 5: Liquid Extraction:
                1. Introduction to liquid-liquid extraction, Liquid-liquid equilibria
                2. Effect of temperature on liquid-liquid equilibria
                3. Design calculation of single stage extraction
Week 6: Liquid Extraction:
                1. Design calculation of single stage extraction
                2. Design calculation of multistage extraction
                3. Selection of extractors
Week 7: Leaching:
                1. Leaching: single stage operation
                2. Leaching: multistage operation
                3. Supercritical fluid extraction, Equipment for leaching
Week 8: Membrane Separation Technology:
                1. Fundamentals of membrane separation processes
                2. Limitation of membrane separation processes
Week 9: Membrane Separation Technology:
                1. Various models and application: design aspect
                2. Electric field enhanced membrane separation processes
                3. Micellar-enhanced ultrafiltration
Week 10: Adsorption and Ion-exchange:
                1. Adsorption: types and nature of adsorption, Adsorption isotherm
                2. Stage wise and continuous adsorption 
Week 11: Adsorption and Ion-exchange:
                1. Fluidized bed and teeter bed, steady state moving bed adsorber
                2. Unsteady state fixed bed adsorbers, Ion-exchange
Week 12: Crystallization:
                1. Crystallization, types of crystal geometries
                2. Solid-liquid phase equilibrium, Theory of crystallization
                3. Design of crystallizer, Crystallization equipment

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Comments
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Sam

Excellent course helped me understand topic that i couldn't while attendinfg my college.

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Dembe

Great course. Thank you very much.

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