JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

Course Objectives

To impart Knowledge on Advanced Water Treatment Processes along with

conventional water treatment system and also to focus on distribution systems.

Course Outcomes:

• Knowledge of design kinetics of sedimentation, filtration, and disinfection process.
• Theoretical outlook on advanced water treatment processes and the related Chemistry
• Knowledge on design of distribution networks.

UNIT - I

Principles of Sedimentation – Classes of Sedimentation Factors affecting efficiency concepts of tube settlers, flow dispersion patterns, sludge removal devices, coagulation-stability of colloids –theory of coagulation – coagulant aids –dosing and mixing devices – velocity gradients – design of clarifioculator units- flotation – diffused air flotation and dissolved air flotation.

UNIT - II

Theory of filtration – Hydraulics of flow through porous media, backwashing, different types of filters, components, and appurtenances. Filtrability index, mathematical modeling, Design of filters slow / rapid / multimedia filters – filter kinetics.

UNIT - III

Theory of disinfection – factors affecting disinfection – kinetics of disinfection – types of chlorine compounds – chlorination chemistry.

UNIT - IV

Advanced treatment systems – principles of aeration – theories of adsorption – Principles of mass transfer, adsorption Isotherms, rate of Sorption, activated carbon, ion exchange process – materials, reactions, operatic methods and applications, removal of Hardness, Iron, requirement of Chemicals. Membrane processes – separation – Reverse osmosis practical uses, Dialysis. Corrosion control and water conditioning

UNIT - V

Water distribution systems – Design of distribution Networks using software techniques. Hardy cross methods – equivalent pipe method – Analysis of networks

TEXT BOOKS:

• 1. Water and Wastewater Engineering: Water Supply and Wastewater Removal- by Fair, Geyer and Okum. –John Wiley & Sons Canada, Limited
• 2. Physicochemical Processes: For Water Quality Control by W.J. Weber – John Wiley & Sons, 1972

REFERENCE BOOKS:

• 1. Unit operations of Sanitary Engineering by linvil rich- Wiley, New York, 1961
• 2. Water and Waste water Technology by Hammer Mark J., Hammer Mark J. Prentice- Hall New Arrivals