CLASS NOTES FOR PC331CE (LATEST)
CLASS NOTES FOR PC331CE (OLD)
Hardy cross method -
UNIT-I
- Necessity of protected water supply and sanitation
- Water demand and per capita consumption
- Per capita consumption
- Factors affecting population forecasts
- Problems on population forecasting
- Sources of water and quality parameters
- Standards of potable water
- CPCB Standards of Potable Water
- Infiltration wells & galleries
- Intake structures pipes, joints, valves & pumps.
- Water distribution systems
- Hardy Cross method (Theory)
- Solution of a simple pipe network using hardy cross method.
UNIT-II
Treatment of Water
- Clarification sedimentation – Principles
- Design of sedimentation tanks and sample problems
- Clarification and flocculation
- Design of a clariflocculator.
- Filtration
- Theory of filtration
- Types of filters and filter media.
- Problems
- Design principles of slow and rapid sand filters.
- Backwash mechanisms
- Pressure filters
- Disinfection - Necessity and methods
- Chlorination of water supplied
- Action of chlorine
- Break point chlorination
- Ozone and U-V radiation
- Removal of hardness
- Taste & odor control
- Losses and wastage
UNIT-III
Domestic Sewage
Sewerage systems
- Ultimate disposal of sewage, Land and water bodies
- Sewage conveyance and sewer types
- Sewer appurtenances
- Velocity in sewers
- Design of a simple sewerage system.
- Storm water sewers – Storm water estimation by rational method.
UNIT-IV
Waste Water Treatment
- Preliminary treatment: Screens, Grit chambers.
- Primary treatment
- Sedimentation – rectangular and circular sedimentation tanks
- Secondary treatment
- Sewage filtration – Trickling Filter. Activated Sludge Process
- Design parameters, secondary clarifier.
- Design aspects of a sewage treatment facility.
UNIT-V
Sludge
- Sludge digestion and disposal methods
- septic tanks – design parameters and working principles.
Solid Waste
Important questions
Misc topics
OBJECTIVE QUESTIONS
- Types, source and composition of solid waste
- Methods of collection, transportation and disposal
- Waste collection methods
Important questions
Misc topics
- Ion Exchange Process
- Cation Exchange resin
- Carbonate hardness
- Cascade aerators
- Carbonate Alkalinity
- Capacities (Design) of various components of water supply scheme
OBJECTIVE QUESTIONS
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