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Water and waste water treatment

By Prof. Bhanu Prakash Vellanki   |   IIT Roorkee
Learners enrolled: 6246
ABOUT THE COURSE:
Waste water part of syllabus is covered from the headworks till the final Disinfection and Disinfectant removal,their design is also considered in detail. Water treatment portion covers the nitty gritty of treatment and the relevant aspects post treatment like residual removal. This course will allow the student to clear basics and concepts for further in depth learning.

INTENDED AUDIENCE : Civil Engineering and Environmental Engineering/science students
Summary
Course Status : Completed
Course Type : Core
Language for course content : English
Duration : 12 weeks
Category :
  • Civil Engineering
  • Environment
Credit Points : 3
Level : Undergraduate
Start Date : 23 Jan 2023
End Date : 14 Apr 2023
Enrollment Ends : 06 Feb 2023
Exam Registration Ends : 17 Mar 2023
Exam Date : 29 Apr 2023 IST

Note: This exam date is subject to change based on seat availability. You can check final exam date on your hall ticket.

Page Visits



Course layout

Week 1 
Introduction
Overview of water and waste water systems
  • Urban water system
  • Treatment plans
  • Design process
Review of fundamentals
  • Concentrations
Week 2
Review of fundamentals
o Material flows
o Material balances
  • General approach
  • Applications
Waste water treatment
o General conditions
  • Quantities
  • Quality
  • Treatment objectives
  • Types of plants
o Head works
  • Goal
  • Pump station
  • Flow measurement
  • Bar racks and screens
  • Grit removal
Week 3 
Waste water treatment
o Primary sedimentation
  • Goal
  • Flocculent sedimentation
  • Primary design variables
  • Secondary design values
  • BOD Removal
o Biological treatment
  • Introduction
  • Activated sludge process
  • Introduction
  • Biological processes
Week 4
Waste water treatment
o Biological treatment
  • Activated sludge
  • Analysis (material balance)
  • Design
  • Activated sludge variations
  • Nutrient removal in activates sludge
  • Attached growth
  • Trickling filter
  • Rotating biological contactors
Week 5 
Waste water treatment
o Disinfection / Disinfectant removal
  • Goal
  • Chlorine disinfection
  • UV light disinfection
o Other treatment process
Week 6 
Water treatment
o General considerations
  • Quantities
  • Quality
  • Water treatment plants
  • Preliminary treatment
o Coagulation and flocculation
  • Rapid mix
  • Flocculation basin
Week 7 

Water treatment
o Sedimentation
o Filtration
Week 8 

Water treatment
o Filtration
o Disinfection and disinfection by products
Week 9 
Water treatment
o Lime softening
o Ion exchange softening
Week 10 
Water treatment
o Nano filtration softening
o Desalination
  • Residual management
o Overview
  • Types of residuals
  • Sources
  • Conventional residual management systems
Week 11 
Residual management
o Concentration
o Stabilization
Week 12 
Residual management
o Conditioning
o Dewatering

Books and references

·        Davis, Mackenzie L., Water and Wastewater Engineering: Design Principles and Practice, 2nd Edition, McGraw-Hill, New York,  2010.
·        Metcalf and Eddy, Wastewater Engineering: Treatment and Resource Recovery, Fifth Edition, Metcalf & Eddy, Inc., McGraw-Hill Publishers, New York, 2013.
·        Tchobanoglous, G., et al., Wastewater Engineering: Treatment, Disposal, and Reuse, Fifth Edition, Metcalf & Eddy, Inc., McGraw-Hill Publishers, New York,  2013.
·        Crittenden, J.C., et al., Water Treatment Principles and Design, 2nd Ed., Montgomery, Inc., John Wiley and Sons, New York, 2005.
·        Reynolds, T.D., Richards, P.A., Unit Operations and Processes in Environmental Engineering, PWS Publishing Company, Boston, 1996.

Instructor bio

Prof. Bhanu Prakash Vellanki

IIT Roorkee
Dr. Bhanu Prakash Vellanki, is an Assistant Professor at IIT Roorkee. He holds a PhD in Civil Engineering with a specialization in Environmental Engineering from Texas A&M University. During the course of his doctoral work, Dr. Vellanki developed a new class of treatment processes, called the Advanced Reduction Processes. His research interests include Advanced Redox Processes, industrial/hazardous waste treatment, and emerging contaminants.

Course certificate

The course is free to enroll and learn from. But if you want a certificate, you have to register and write the proctored exam conducted by us in person at any of the designated exam centres.
The exam is optional for a fee of Rs 1000/- (Rupees one thousand only).
Date and Time of Exams: 29 April 2023 Morning session 9am to 12 noon; Afternoon Session 2pm to 5pm.
Registration url: Announcements will be made when the registration form is open for registrations.
The online registration form has to be filled and the certification exam fee needs to be paid. More details will be made available when the exam registration form is published. If there are any changes, it will be mentioned then.
Please check the form for more details on the cities where the exams will be held, the conditions you agree to when you fill the form etc.

CRITERIA TO GET A CERTIFICATE

Average assignment score = 25% of average of best 8 assignments out of the total 12 assignments given in the course.
Exam score = 75% of the proctored certification exam score out of 100

Final score = Average assignment score + Exam score

YOU WILL BE ELIGIBLE FOR A CERTIFICATE ONLY IF AVERAGE ASSIGNMENT SCORE >=10/25 AND EXAM SCORE >= 30/75. If one of the 2 criteria is not met, you will not get the certificate even if the Final score >= 40/100.

Certificate will have your name, photograph and the score in the final exam with the breakup.It will have the logos of NPTEL and IIT Roorkee.It will be e-verifiable at nptel.ac.in/noc.

Only the e-certificate will be made available. Hard copies will not be dispatched.

Once again, thanks for your interest in our online courses and certification. Happy learning.

- NPTEL team


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