EN8592 Wastewater Engineering Syllabus:

EN8592 Wastewater Engineering Syllabus – Anna University Regulation 2017

OBJECTIVES:

• The objectives of this course is to help students develop the ability to apply basic understanding of physical, chemical, and biological phenomena for successful design, operation and maintenance of sewage treatment plants.

UNIT I PLANNING AND DESIGN OF SEWERAGE SYSTEM

Characteristics and composition of sewage — population equivalent -Sanitary sewage flow estimation — Sewer materials — Hydraulics of flow in sanitary sewers — Sewer design — Storm drainage-Storm runoff estimation — sewer appurtenances — corrosion in sewers — prevention and control — sewage pumping-drainage in buildings-plumbing systems for drainage — Rain Water ting.

UNIT II PRIMARY TREATMENT OF SEWAGE

Objectives — Unit Operations and Processes — Selection of treatment processes — Onsite sanitation — Septic tank- Grey water harvesting — Primary treatment — Principles, functions and design of sewage treatment units — screens — grit chamber-primary sedimentation tanks — Construction, Operation and Maintenance aspects.

UNIT III SECONDARY TREATMENT OF SEWAGE

Objectives — Selection of Treatment Methods — Principles, Functions, — Activated Sludge Process and Extended aeration systems -Trickling filters– Sequencing Batch Reactor(SBR) — Membrane Bioreactor — UASB — Waste Stabilization Ponds — — Other treatment methods -Reclamation and Reuse of sewage — Recent Advances in Sewage Treatment — Construction, Operation and Maintenance aspects.

UNIT IV DISPOSAL OF SEWAGE

Standards for– Disposal — Methods — dilution — Mass balance principle — Self purification of river- Oxygen sag curve — deoxygenation and reaeration — Streeter–Phelps model — Land disposal —
Sewage farming — sodium hazards — Soil dispersion system.

UNIT V SLUDGE TREATMENT AND DISPOSAL

Objectives — Sludge characterization — Thickening — Design of gravity thickener- Sludge digestion — Standard rate and High rate digester design- Biogas recovery — Sludge Conditioning and Dewatering — Sludge drying beds- ultimate residue disposal — recent advances.

TEXT BOOKS:

1. Garg, S.K., Environmental Engineering Vol. II, Khanna Publishers,New Delhi, 2015.
2. Duggal K.N., Elements of Environmental Engineering S.Chand and Co. Ltd., New Delhi, 2014.
3. Punmia, B.C., Jain, A.K., and Jain.A.K.., Environmental Engineering, Vol.II, Laxmi Publications, 2010.

REFERENCES:

1. Manual on Sewerage and Sewage Treatment Systems Part A,B and C, CPHEEO, Ministry of Urban Development, Government of India, New Delhi, 2013.
2. Metcalf and Eddy- Wastewater Engineering-Treatment and Reuse, Tata Mc.Graw-Hill Company, New Delhi, 2010.
3. Syed R. Qasim Wastewater Treatment Plants, CRC Press, Washington D.C.,2010
4. Gray N.F, Water Technology, Elsevier India Pvt. Ltd., New Delhi, 2006.