UNIVERSITY OF KERALA - College of Engineering, Trivandrum
UNIVERSITY OF KERALA - College of Engineering, Trivandrum
UNIVERSITY OF KERALA - College of Engineering, Trivandrum
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08.803 ENVIRONMENTAL ENGINEERING - II<br />
L T P/D Cr<br />
3 1 0 4<br />
Module I<br />
Waste water- Sources, Quantity-Characteristics- systems <strong>of</strong> Sewerage, Sewer appurtenances-Man holes, Catch<br />
basin, flushing devices, Inverted siphon.<br />
Waste water disposal systems-Self purification <strong>of</strong> streams, Dilution techniques-Oxygen sag curve-Streeter<br />
Phelp’s Equation and its application-land treatment<br />
Module II<br />
Treatment <strong>of</strong> sewage-Preliminary-Theory and design <strong>of</strong> Screen and Grit chamber, Detritus chamber, Skimming<br />
tank. Primary treatment-Sedimentation tank, Secondary treatment-Contact bed, Intermittent sand filter,<br />
Trickling filter, Activated sludge process, Design <strong>of</strong> Trickling filter(High rate, standard),Activated sludge<br />
process- Septic tank- Imh<strong>of</strong>f tank<br />
Module III<br />
Sludge treatment and disposal-Methods <strong>of</strong> thickening, sludge digestion-High rate, two stage digestion- factors<br />
affecting digestion, Sludge drying beds-Disposal <strong>of</strong> sludge-Lagooning- Dumping, burial. Design <strong>of</strong> sludge<br />
digestion tank, sludge drying beds, oxidation pond. Types <strong>of</strong> sewers-Design <strong>of</strong> circular sewers-Principles <strong>of</strong><br />
house drainage-System <strong>of</strong> plumbing<br />
References:<br />
1. S.K. Garg , “Sewage disposal and Air pollution <strong>Engineering</strong>”, Khanna Publishers.<br />
2.Metcalf and Eddy, “Waste Water <strong>Engineering</strong>”, Tata Mc Grawhill publishing Co Ltd<br />
3. B.C Punmia , “Waste Water <strong>Engineering</strong>”, Laxmi Publications Pvt. Ltd,<br />
4. Dr. PN Modi, “Sewage Treatment & Disposal and Waste water <strong>Engineering</strong>”, Standard Book House,<br />
NewDelhi<br />
Question Paper: Duration: 3hrs<br />
The question paper consists <strong>of</strong> Part A and Part B.<br />
Part A is for 40 marks. There will be 8 compulsory short answer questions <strong>of</strong> 5 marks each covering entire<br />
syllabus.<br />
Part B is for 60 marks. There will be 2 questions form each module. The candidate has to answer one question<br />
from each module.<br />
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