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You are here:Open notes-->Anna-University-->CE2354-ENVIRONMENTAL-ENGINEERING-II

CE2354 ENVIRONMENTAL ENGINEERING II

How to study this subject


OBJECTIVE
To educate the students on the principles and design of Sewage Collection, Conveyance,
treatment and disposal.
UNIT I PLANNING FOR SEWERAGE SYSTEMS 9
Sources of wastewater generation – Effects – Estimation of sanitary sewage flow – Estimation
of storm runoff – Factors affecting Characteristics and composition of sewage and their
significance – Effluent standards – Legislation requirements.
UNIT II SEWER DESIGN 9
Sewerage – Hydraulics of flow in sewers – Objectives – Design period - Design of sanitary and
storm sewers – Small bore systems - Computer applications – Laying, joining & testing of
sewers – appurtenances – Pumps – selection of pumps and pipe Drainage -. Plumbing System
for Buildings – One pipe and two pipe system.
UNIT III PRIMARY TREATMENT OF SEWAGE 9
Objective – Unit Operation and Processes – Selection of treatment processes – Onsite
sanitation - Septic tank, Grey water harvesting – Primary treatment – Principles, functions
design and drawing of screen, grit chambers and primary sedimentation tanks – Operation and
Mintenance aspects.
UNIT IV SECONDARY TREATMENT OF SEWAGE 9
Objective – Selection of Treatment Methods – Principles, Functions, Design and Drawing of
Units - Activated Sludge Process and Trickling filter, other treatment methods – Oxidation
ditches, UASB – Waste Stabilization Ponds – Reclamation and Reuse of sewage - Recent
Advances in Sewage Treatment – Construction and Operation & Maintenance of Sewage
Treatment Plants.56
UNIT V DISPOSAL OF SEWAGE AND SLUDGE 9
Standards for Disposal - Methods – dilution – Self purification of surface water bodies – Oxygen
sag curve – Land disposal – Sewage farming – Deep well injection – Soil dispersion system -
Sludge characterization – Thickening – Sludge digestion – Biogas recovery – Sludge
Conditioning and Dewatering – disposal – Advances in Sludge Treatment and disposal.
 TOTAL: 45 PERIODS
TEXT BOOKS:
1. Garg, S.K., Environmental Engineering Vol. II, Khanna Publishers, New Delhi, 2003.
2. Punmia, B.C., Jain, A.K., and Jain.A., Environmental Engineering, Vol.II, Lakshmi
Publications, Newsletter, 2005.
REFERENCES:
1. Manual on Sewerage and Sewage Treatment, CPHEEO, Ministry of Urban Development,
Government of India, New Delhi, 1997.
2. Wastewater Engineering – Treatment and Reuse, Tata Mc.Graw-Hill Company, New Delhi,
2003

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