COURSE LAYOUT
Week 1 : Introduction:
General outline; Introduction to wastewater; Various sources and types of
wastewater; Need of wastewater management; Concept of wastewater
treatment and recycling
Week 2 : Wastewater Generation and Characteristics:
Wastewater generation and quantity estimation; Water quality parameters
and standards (COD, BOD, DO, Solids, Nutrients, metals and emerging
contaminants); Sources specific wastewater physical and chemical
characteristics
Week 3 : Natural Attenuation of Pollutants in Wastewater:
Concept of natural attenuation; Wastewater discharge in rivers;
Attenuation of pollutants on land application.
Week 4 : Treatment Philosophy:
Objectives of wastewater treatment; Concept of mass balance; kinetics
and equilibrium processes; Reactors tanks; Continuously mixed tank
reactors; Plug-flow reactors Introduction to primary, secondary and
tertiary treatment;
Week 5 : Preliminary and Primary Treatment Processes:
Screening; Grit removal; Equalization tank; Sedimentation theory;
Rectangular and circular sedimentation tanks
Week 6 : Secondary Treatment Processes:
Biological treatment of wastewater; Microbial ecology and growth kinetics; Types of microorganisms; Aerobic and anaerobic processes;
Suspended and attached growth systems; Activated sludge process;
Tricking filters and Rotating biological contactors
Week 7 : Secondary Treatment Processes - Anaerobic:
Anaerobic treatment; Anaerobic decomposition of organic matter;
Fluidized bed systems; Upflow anaerobic sludge blanket systems; Biogas
production and collection; other reactor configurations
Week 8 : Sludge Management:
The quantity and characteristics of sewage sludge; Sludge dewatering,
drying, and thickening; Sludge digestion; Aerobic and anaerobic sludge
stabilization; Composting
Week 9 : Tertiary (Advanced) Treatment Processes:
Need and Objectives of advanced treatment; Nutrient (N and P) removal;
Chemical treatment processes; Advanced oxidation processes; Adsorption
and Ion-exchange; Membrane processes
Week 10 : Current Treatment Approaches:
Conventional systems; Integrated treatment systems; Advanced reactor
configurations; SBR, MBR and MBBR; Application and case studies
Week 11 : Wastewater Recycling:
Scope and demands; Types and stages of recycling; Recycling
requirements; Designated reuse criteria; centralized vs decentralized
recycling systems.
Week 12 : Technology Selection and Decision Making:
Research trends in wastewater treatment and recycling; Choice modelling
and decision making; Risks and challenges; Socio-economic perspectives;
Case studies