Paper Code: CHE 601
HUMIDIFICATION & DEHUMIDIFICATION PROCESSES:
Humidification and dehumidification operations, Characteristics of saturated and unsaturated vapor gas mixtures, Dry and wet bulb thermometry, Psychometric chart, Adiabatic saturation curves, Gas liquid contact, Design of humidifiers, Dehumidification operation, Principle and design of cooling towers (Natural draft, forced draft and induced draft cooling towers).
LIQUID-LIQUID EXTRACTION & LEACHING:
Introduction to Extraction, Liquid- liquid equilibria, Triangular diagram, Selectivity and choice of solvents, Stage wise contact, co-current & countercurrent extractor, Stage type extractors and differential extractors, Determination of number of equilibrium stages by graphical method for multistage extraction, Extraction efficiency.
Introduction to leaching, general principle, factors affecting the rate of extraction, Liquid -solid equilibria, calculation of number of stages, batch processes, countercurrent washing, stage calculation methods।
DRYING & CRYSTALLIZATION:
Introduction to drying, Rate of drying, Batch drying mechanism, the mechanism of moisture movement during drying, classification and selection of dryer.
Introduction to crystallization, Theory of Crystallization, Formation and growth of crystals, crystal yield, Rate of crystallization.
MEMBRANE SEPATION PROCESSES:
Introduction to advance separation processes, classification of membrane processes, Dialysis, Ultra filtration, Reverse Osmosis, reverse osmosis in water treatment plant, Pervaporation, Electro dialysis, membrane fouling, liquid membrane.
Text Books / References:
- Separation Processes: King, C. J., MGH.
- Unit Operation Handbook (Vol. I): John J. Mcketta.
- Transport Process and Unit Operations: Geankoplis. 3rd Edn., PHI.
- Unit Operations in Chemical Engineering: McCabe, Smith, and Harriot. MGH, Sth Edn.
- Mass Transfer Operations: Robert E. Treybal, MGH, International Student Edition.
- Chemical Engineers.s Handbook: Perry, J. H. MGH, 6th Edn.