EN3003 Sludge and Septage Management Syllabus:
EN3003 Sludge and Septage Management Syllabus – Anna University Regulation 2021
COURSE OBJECTIVES
To gain knowledge and skills on sources, characteristics and treatment of sludge
To understand the importance of septage management.
UNIT I SOURCES AND CHARACTERISTICS OF SLUDGE
Objectives of sludge treatment – sources of sludge- Sludge from WTP, STP and CETPSludge- Quantification-generation from various treatment plants – Characteristics in each stage of treatment –-Physico-chemical and biological– Mass balance in sludge treatment
UNIT II SLUDGE THICKENING AND DEWATERING
Sludge thickening- Gravity thickening – Drum thickener – Air floatation – Centrifugationconditioning -Sludge Dewatering- Centrifuge- Vacuum Filtration-Sludge drying bedperformance of thickener and dewatering systems-operation and maintenance
UNIT III SLUDGE STABILIZATION
Objectives-Aerobic and Anaerobic Sludge digestion processes – Types of anaerobic digesters – design of Low rate and High rate digesters – Two stage digester-Aerobic digestion- Pure oxygen and thermophilic aerobic digestion – Chemical and Thermal stabilization process
UNIT IV REUSE AND LAND APPLICATION OF SEWAGE SLUDGE
Introduction- beneficial use-requirements and associated risks-handling and management storage – operation aspects of transport and application of biosolids application landLagooning- Landfilling- land farming-Composting-windrow composting -Vermicomposting – Laws and regulations on sludge management
UNIT V SEPTAGE MANAGEMENT
Sources of Septage – characteristics- Public health and environmental hazards- Elements of septage management- Pumping and Desludging Septic Tanks-Transportation- Treatment Dewatered septage sludge reuse- Operation and maintenance – Planning and implementation of septage management schemes-Case studies
TOTAL: 45 PERIODS
COURSE OUTCOMES:
On completion of the course, the student is expected to be able to
CO1 Understand sources and characteristics of various sources of sludge.
CO2 Design sludge thickening and dewatering units
CO3 Design of sludge stabilization units
CO4 Know about the requirements and associated risk while reusing sewage sludge
CO5 Plan and implement septage management scheme
REFERENCES
1. Septage management in urban India, National Urban Sanitation policy, Ministry of Urban Development Government of India,2013
2. National Policy on Faecal Sludge and Septage Management (FSSM) Ministry of Urban Development Government of India,2017
3. A.F. Ismail, Takeshi Matsuura, Membrane Technology for Water and Wastewater Treatment, Energy and Environment, CRC Press, 2016
4. Michael D. Nelson, Chair, Operation of municipal waste water treatment plants, Water environment federation, vol.2 liquid process.
5. Michael D. Nelson, Chair, Operation of municipal waste water treatment plants, Water environment federation, vol.1Management and support systems, sixth edition.
6. Metcalf & Eddy, Inc., George Tchobanoglous, Franklin L. Burton and H. David Stensel, Wastewater engineering, treatment and reuse fourth Edition, McGraw-Hill, 2017