CE1305 – ENVIRONMENTAL ENGINEEERING

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CE1305  –   ENVIRONMENTAL ENGINEEERING
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UNIT I           WATER SUPPLY SYSTEMS – SOURCE AND CONVEYANCE      9       
Objectives  –  Population  forecasting  –  Design  period  –  Water  demand  characteristics  –
Sources  of  water  –  Source  selection  –  Water  quality  parameters  and  significance  –
Standards – Intake structures – Conveyance – Hydraulics – Laying, jointing and testing
of pipes – Pump selection –Appurtenances. 

UNIT II          DESIGN PRINCIPLES OF WATER TREATMENT                            9
Objectives  –  Selection  of  unit  operations  and  processes  –  Principles  of  flocculation,
sedimentation,  filtration,  disinfection  –  Design  principles  of  flash  mixer,  flocculator,
clarifiers, filters – Disinfection devices – Softening – Demineralisation – Aeration – Iron
removal – Defluoridation – Operation and maintenance aspects – Residue management.

DISTRIBUTION                
Requirements  –  Components  –  Service  reservoir  design  –  Analysis  of  distribution
network –  Hardy cross method – Equivalent pipe method – Computer application – Leak
detection.        

UNIT III        SEWERAGE SYSTEM, COLLECTION AND TRANSMISSION      9           
Sources  of  wastewater  –  Quantity  of  sanitary  sewage  –  Storm  run  off  estimation  –
Wastewater  characteristics  and  significance  –  Effluent  disposal  stand  over  –  Design  of
sewers  –  Computer  applications  –  Laying,  jointing  and  testing  of  sewers  –  Sewer
appurtenances – Pump selection.

UNIT IV        SEWAGE TREATMENT AND DESIGN PRINCIPLES                       9
Objectives – Selection of unit operation and process – Design principles of primary and
secondary  treatment,  screen  chamber,  grit  chamber,  primary  sedimentation  tanks,
activated  sludge  process  –  Aeration  tank  and  oxidation  ditch  –  Trickling  filter  –
Stabilisation  ponds  –  Septic  tanks  with  soak  pits  –  Sludge:  treatment  and  disposal  –
Biogas recovery – Sewage farming.

UNIT V          DISPOSAL OF SEWAGE                                 9
Disposal  on  land  –  Disposal  into  water  bodies  –  Oxygen  sag  curve  –  Streeter  Phelp’s
model – Wastewater reclamation techniques. 

Total: 45 

TEXT BOOKS
1.         Garg, S.K., “Environmental Engineering I and II”, Khanna Publishers, 2007.
2.         Modi, P.N., “Environmental Engineering I and II”, Standard Book House, 1999.  

REFERENCES
1.         “Manual  on  Water  Supply  and  Treatment”,  CPHEEO,  Government  of  India,
1999.
2.         “Manual on Sewerage and Sewage Treatment”, CPHEEO, Government of India,
1993.
3.         “Handbook on Water Supply and Drainage”, SP35, B.I.S., 1987.
4.         Metcalf, and Eddy, M.C., “Wastewater Engineering Treatment and Reuse”, Tata
McGraw-Hill Publications, 2003.
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