JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

Course Objectives:

• To asses drinking water requirement for planning drinking water schemes.
• To plan and design suitable setting units for water treatment
• To identify suitable filters and disinfection methods for treating water
• To assess capacity of storage reservoirs and design water distribution systems

Course Outcomes

At the end of the course, the student will be able to:

• Understand about quality of water to be used for various purposes
• Understand the water purification process
• Design the distribution systems

UNIT - I

Introduction: Water supply schemes – Protected water supply – Population forecasts, design period – water demand – Types of demand – factors affecting – percapita demand – fire demand – Sources of Water– intakes – infiltration galleries, confined and unconfined aquifers – water quality parameters and testing – drinking water standards. Estimation Water Requirements.

UNIT - II

Layout and general outline of water treatment units – sedimentation, Types of Settings uniform settling velocity– principles – design factors – surface loading –coagulation- flocculation, Theory of coagulation clarifier design – coagulants – feeding arrangements- Jar test – optimum dosage of coagulant -

UNIT - III

Filtration – theory – working of slow and rapid gravity filters – multimedia filters – design of filters – troubles in operation comparison of filters – disinfection – types of disinfection - theory of chlorination - chlorine demand - other disinfection treatment methods.

UNIT - IV

Distribution systems – Types of layouts of Distribution systems – design of distribution systems - Hardy Cross and equivalent pipe methods - service reservoirs – Determination of Storage capacity.

UNIT - V

Advanced Water Treatment -Softening, Aeration, Iron and Manganese Removal, Fluoride Removal, Control of algal growth, colour removal, Disposal of Water Treatment Studies.

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TEXT BOOKS:

• 1. Water Supply Engineering, Vol. 1, waste water Engineering, Vol. II, B. C. Punmia, Ashok Jain & Arun Jain, Laxmi Publications Pvt. Ltd, New Delhi
• 2. Water Supply Engineering Vol.1 & Waste water Engineering Vol. II, P.N. Modi, Standard Book Publishers, New Delhi.

REFERENCES:

• 1. Water and Waste Water Technology by Mark J Hammar and Mark J. Hammar Jr.
• 2. Water Supply and Pollution Control by Viessman Jr, Mark J Hammer, Perez Elizabeth M, Paul Chadik,pearson Publishers 2015. Page 8 of 33