Water and Wastewater Management

Paper Code: 
LSC 144 O
Credits: 
4
Contact Hours: 
60.00
Max. Marks: 
50.00
12.00
Unit I: 
Water Quality Monitoring
  • Objectives of Water Quality Monitoring
  • Designing monitoring plan
  • Water Sample Collection and its types
  • Sources, impacts and measurement of Physical parameters: suspended solids, turbidity, color, temperature, taste and odour.
  • Sources, impacts and measurement of Chemical parameters: Total dissolved solids (TDS), alkalinity, hardness, fluoride, metals and organics.
  • Potable water quality standards (Indian and International) 
12.00
Unit II: 
Potable Water Treatment
  • Aeration: Aeration theory and gas transfer principle, Types of aerators: spray towers, fountains, cascade tower.
  • Coagulation & Flocculation: Mechanisms of coagulation (Ionic layer compression, Adsorption & charge neutralization, sweep coagulation and Inter particle bridging), Optimum coagulant dosage, Alkalinity coagulation relationships, Basics of Flocculation
  • Softening: Principle and methods-chemical precipitation and ion-exchange method
  • Filtration: working principle, Filter media and types of filters
  • Disinfection: Methods (Chlorination, UV disinfection, Ozonation), factors affecting disinfection
12.00
Unit III: 
Biological Wastewater Treatment
  • Sources, composition and characteristics of wastewater
  • Primary treatment: Screening and Grit Removal, primary sedimentation
  • Working principle, advantages and limitations of Aerobic and anaerobic secondary Treatment Systems: Activated sludge process (ASP), Trickling filters, Rotating Biological Contactors (RBC), Moving Bed Biofilm Reactor (MBBR), Sequencing Batch Reactor (SBR), Upflow anaerobic sludge blanket reactor (UASB)
  • Sludge treatment and disposal
12.00
Unit IV: 
Advanced Wastewater Treatment
  • Nitrogen and Phosphorous Removal: Air stripping, Nitrification-denitrification, chemical and biological precipitation
  • Removal of Suspended Solids: Microscreening, Ultrafiltration, Chemical coagulation and clarification
  • Removal of Dissolved Solids: Ion exchange, membrane filtration (Reverse osmosis, ultrafiltration, Electro-dialysis), Adsorption, and chemical oxidation
  • Effluent Treatment Standards
12.00
Unit V: 
Water and Wastewater Microbiology
  • Diseases associated with polluted water
  • Pathogens and Parasites found in natural and domestic wastewater
  • Concept of indicator microorganisms: Total coliforms, Faecal coliforms, Faecal Streptococci
  • Detection methods for indicator microorganisms: Presence/Absence tests, Standard plating methods, MPN method, membrane filtration method, defined substrate technology (enzymatic methods), Nucleic acid-based methods  
Essential Readings: 
  • Peavy, H. S., Rowe, D. R., & Tchobanoglous, G. (1985). Environmental engineering (Vol. 2985). New York: McGraw-Hill.
  • Metcalf, L., Eddy, H. P., & Tchobanoglous, G. (1991). Wastewater engineering: treatment, disposal, and reuse (Vol. 4). New York: McGraw-Hill.
  • Arceivala, S. J. (1986). Wastewater treatment for pollution control. Tata McGraw-Hill Publishing Company Limited.
  • Mara, D., & Horan, N. J. (Eds.). (2003). Handbook of water and wastewater microbiology. Elsevier.
References: 
  • Bitton, G. (2005). Wastewater microbiology. John Wiley & Sons.
  • Davis, M. L. (2010). Water and wastewater engineering: design principles and practice. McGraw-Hill Education.
  • Summers, J. K. (Ed.). (2020). Water Quality: Science, Assessments and Policy. BoD–Books on Demand.
  • Punmia, B. C., Jain, A., & Jain, A. K. (1998). Environmental Engineering-2. Water Supply Engineering.
Academic Year: 
2022-2023
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