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Course Contents

Structure and basic properties of water their significance in environmental engineering, sources of water impurities, a biotic reactions, biological metabolism. Solid liquid gas interactions, mass transfer and transport of impurities in water and air, diffusion, dispersion. Physical and chemical interactions due to various forces, suspensions and dispersions. Chemical reactions, chemical equilibrium, and chemical thermodynamics, acid base equilibria, solubility equilibria, oxidation reduction equilibria. Process kinetics, reaction rates and catalysis, surface and colloidal chemistry, adsorption. Settling of particles in water, coagulation and flocculation, filtration mechanisms and interpretations, ion exchange and adsorption, water stabilisation, aeration and gas transfer. Membrane process; reverse osmosis, electro dialysis, desalination.