CE1304 Environmental Engineering Syllabus

CE1304 ENVIRONMENTAL ENGINEERING 3 0 0 100


OBJECTIVE
This subject deals with treatment of water and wastewater including estimation of water and sanitary sewage (excluding industrial waste water). On completion of the course, the student is expected to know about the design principles involved in treatment of municipal water and wastewater. (The detailed design of treatment units are covered under the subject Environmental Engineering Design and hence the same is not covered under this subject).

1. WATER SUPPLY SYSTEMS – SOURCE & CONVEYANCE 6
Objectives – Population forecasting – Design period – Water demand characteristics – Sources of water – Source selection – Water quality parameters & significance –
Standards – Intake structures – Conveyance – Hydraulics – Laying, jointing & testing of pipes – Pump selection – appurtenances

2. DESIGN PRINCIPLES OF WATER TREATMENT 10
Objectives – Selection of unit operations and processes – Principles of flocculation, sedimentation, filtration, disinfection – Design principles of flash mixer, flocculator, clarifiers, filters – Disinfection devices – Softening – Demineralisation – Aeration – Iron removal – Defluoridation – Operation and Maintenance aspects - Residue Management

DISTRIBUTION
Requirements – Components – Service reservoir design – Analysis of distribution network – Hardy Cross method – Equivalent Pipe method – computer application – Leak detection

3. SEWERAGE SYSTEM : COLLECTION & TRANSMISSION 10
Sources of wastewater – Quantity of sanitary sewage – Storm run off estimation – Wastewater characteristics and significance – Effluent disposal standover – Design of sewers – Computer applications – Laying, jointing and testing of sewers – Sewer appurtenances – Pump selection

4. SEWAGE TREATMENT & DESIGN PRINCIPLES 10
Objectives – Selection of unit operation and process – Design principles of primary and secondary treatment, screen chamber, grit chamber, primary sedimentation tanks, activated sludge process – Aeration tank & oxidation ditch – Trickling filter - Stabilisation ponds – Septic tanks with soak pits – Sludge: treatment and disposal – Biogas recovery – Sewage farming

5. DISPOSAL OF SEWAGE 9
Disposal on land – Disposal into water bodies – Oxygen sag curve – Streeter Phelp’s model – Wastewater reclamation techniques

TOTAL : 45

TEXT BOOKS
1. Garg, S.K., “Environmental Engineering I & II”, Khanna Publishers, New Delhi
2. Modi, P.N., “Environmental Engineering I & II”, Standard Book House, Delhi – 6

REFERENCES
1. Manual on Water Supply and Treatment, CPHEEO, Government of India, New Delhi, 1999
2. Manual on Sewerage and Sewage Treatment, CPHEEO, Government of India, New Delhi, 1993
3. Hand book on Water Supply and Drainage, SP35, B.I.S., New Delhi, 1987
4. Metcalf and Eddy, M.C., “Wastewater Engineering – Treatment & Reuse”, Tata McGraw-Hill Publications, New Delhi, 2003
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