Mass Transfer-II

Principles of extraction, ternary liquid equilibria, effect of pressure and temperature, triangular graphical representation concept of theoretical or ideal stage, single stage operation, multistage continuous operation: co-current and cross current operations, stage calculation, Analytical and graphical solutions of single and multistage operations for miscible and immiscible systems, equipment: mixer settlers, plate column, spray and packed column, etc

Theory, mechanism, types of leaching, solid - liquid equilibria, constant and variable underflow, batch and continuous operations: single and multistage cross current and counter-current operations, Concep to fan ideal stage, Overall stage efficiency, Determination of number of stages. equipment: percolation tank, agitated vessel, thinkers, classifiers etc

Basic Concepts of Humidification and Dehumidification, Importance in Chemical Engineering Processes, Definitions and Terminology: Humidity, Relative Humidity, Dew Point, Wet Bulb Temperature, Industrial Applications of Humidification and Dehumidification, Psychrometric Charts(Reading and Interpretation), Properties of Air-Water Vapor Mixtures, Dry Bulb, Wet Bulb, and Dew Point and Adiabatic Saturation Temperatures, Enthalpy and Specific Volume of Moist Air, Types and design of Humidification Equipment: Spray Chambers, Packed Towers, and Air Washers, Types and Design of Dehumidifiers and Cooling Towers.

Principle and types of adsorption, nature of adsorbents, adsorption equilibria – single gases and vapours, adsorption hysteresis, effect of temperature, heat of adsorption, adsorption of solute from dilute solution, single stage and multistage crosscurrent operation using Freundlich and Langmuir isotherm, multistage counter-current operation using Freundlich equation., stage-wise and continuous contact operations, unsteady state: Fixed-bed adsorption

Definition and Importance& Applications, Classification Crystallization Processes: Cooling, Evaporative, Reactive, and Precipitative Crystallization, Crystallization Equipments, Thermodynamics and Kinetics, Thermodynamics of Supersaturation: Solubility Curves and Metastable Zones,, Homogeneous vs. Heterogeneous Nucleation, Nucleation Rate, Crystal Growth: Mechanisms and Rate Equations, Factors Influencing Crystal Growth and Size Distribution, Types of Crystallizers: Batch, Continuous, MSMPR (Mixed-Suspension Mixed-Product Removal), DTB (Draft Tube Baffle)