Water & Wastewater Engineering

Water and Wastewater Quantity Estimation
Population forecast; Water demand for various purposes; Estimation of wastewater quantity; Variation in quantity of water and wastewater
 (2 Lectures)
Water Supply/Distribution Systems
(2 Lectures)
Wastewater Collection Systems
(2 Lectures)
Water/Wastewater Quality Enhancement
Philosophy of treatment; Unit operations and processes; Physical, chemical and biological methods
(1 Lecture)
Domestic Wastewater Treatment
Wastewater characteristics; Primary, secondary and tertiary treatment;
(1 Lecture)
Physical Unit Processes
Screening; Commutation; Grit Removal; Equilization; Sedimentation;
(3 Lectures)
Introduction to Microbiology
Microbial ecology and Growth kinetics; Types of microorganisms; aerobic vs. anaerobic processes
(2 Lectures)
Biological Unit Processes
Aerobic treatment; Suspended growth aerobic treatment processes; Activated sludge process and its modifications; Attached growth aerobic processes; Tricking filters and Rotating biological contactors; Anaerobic treatment; suspended growth, attached growth, fluidized bed and sludge blanket systems; nitrification, denitrification; Phosphorus removal
(10 Lectures)
Sludge Treatment
Thickening; Digestion; Dewatering; Sludge drying; Composting
(2 Lectures)
Wastewater Treatment Plant Characteristics
Sequencing of unit operations and processes; Plant layout; Hydraulic considerations.
(2 Lectures)
Natural Wastewater Treatment Systems
Ponds and Lagoons; Wetlands and Root-zone systems.
(2 Lectures)
Surface and Ground Water Treatment for Potable Water Supply
Water Characteristics; Sequencing of unit operations and processes;
(1 Lecture)
Chemical Unit Processes
Coagulation-Flocculation; Filtration; Disinfections; Aeration and Gas transfer; Precipitation; Softening; Adsorption and Ion exchange; Membrane processes
(9 Lectures)
Water Treatment Plant Characteristics
Plant layout; Hydraulic considerations
(1 Lecture)
Rural Water Supply;
(1 Lecture)
Low Cost Sanitation;
Septic tanks, Soak-pits.
(1 Lecture)
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