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Swayam Central

Environmental Remediation of Contaminated Sites

By Prof. Bhanu Prakash Vellanki   |   IIT Roorkee
The course details the usual remediation techniques practiced worldwide and provide an understanding of the relevant theoretical concepts. The current course will enable a student to:
• Develop understanding of integrated approaches to remediating contaminated sites.
• Develop the ability to screen, choose and design appropriate technologies for remediation.


INTENDED AUDIENCE : Environmental engineering professionals and students pursuing a degree with emphasis in Environmental engineering.
PREREQUISITES : Entry level chemistry course, and understanding of chemical, physical and biological processes on Environmental Engineering
INDUSTRY SUPPORT : CPCB, SPCB, Degremont, ERM, Ramky Enviro Engineers, Veolia Water, SFC Environmental Technologies Pvt. Ltd., Nalco Water, VA Tech Wabag, Thermax

Learners enrolled: 412

SUMMARY

Course Status : Upcoming
Course Type : Elective
Duration : 12 weeks
Start Date : 27 Jan 2020
End Date : 17 Apr 2020
Exam Date : 26 Apr 2020
Enrollment Ends : 03 Feb 2020
Category :
  • Civil Engineering
  • Level : Undergraduate/Postgraduate
    This is an AICTE approved FDP course

    COURSE LAYOUT

    Weeks 1 and 2:

    I. Introduction
    II. Laws, Regulations and Remediation
          A. Legal Concepts
            1. Types of Law
             2. Regulations
                     a)Federal
            B. Laws/Regulations
            a) History
           b) Objectives
            c) Remediation Process 
            d) Definition of hazardous waste
            e) Waste Classification 
            f) Corrective Action

    Week 3:

    III. Risk Assessment
          A. Introduction
            1. Terminology
                    2. History
           B. Steps in Human Health Risk Assessment
             1. Data Collection and Evaluation
             2. Exposure Assessment
             3. Toxicity Assessment
    4. Risk Characterization
    5. Risk Management
    6. Risk Communication
          C. Ecological Risk Assessment
          D. Risk-based Corrective Action

    Weeks 4, 5, and 6:

    IV. Remedial Options
    A. Introduction
    B. Administrative Options
    C. Groundwater
    1. Plume Containment
    a) introduction
    b) extraction wells
    c) extraction trenches
    d) injection wells/trenches
    e) wells/barriers
    2. Pump and Treat
    a) Introduction
    b) Contaminant behavior
    c) Design considerations
    3. Source Control
    a) Philosophy
    b) Options
    4. Permeable Reactive Barriers
    a) Introduction
    b) Redox reactions
    c) Kinetics
    d) Design considerations
    5. Monitored Natural Attenuation
    a) Introduction
    b) Evaluation
    c) Monitoring
    d) Mechanisms
    e) Plume Types
    f) Lines of Evidence
    g) Case Study
    Weeks 7, 8 and 9:
    D. Soils/Sediments
    1. Excavation
    a) Use
    b) Techniques 
    c) Control of contaminant transport
    d) Typical costs
    2. Landfill
    a) Hazardous waste landfill
    b) Solid waste landfill 
    3. Containment
    a) characteristics of barrier materials
    b) alternatives
    4. Solidification/Stabilization
    a) Introduction
    b) Fundamentals
    (1) Chemical
    (2) physical
    c) Leaching
    (1) single-component
    (2) multi-component
    d) Design Considerations
    (1) TCLP-based approach
    (2) Risk-based approach
    5. Chemical Treatment
    a) Non-redox reactions
    b) Reductive processes
    c) Oxidative processes (ISCO)

    6. Surfactant extraction
    a) Introduction
    b) Surfactant properties
    c) Configurations
    7. Soil Vapor Extraction
    a) Introduction
    b) Fundamentals
    c) Design considerations

    Weeks 10 and 11:

    8. Bioremediation
    a) Introduction
    b) Fundamentals
    c) Important processes
    d) Examples
    9. Phytoremediation
    a) Mechanisms
    b) Examples

    Week 12:

    10. Thermal Processes
    a) Introduction
    b) Incineration
    c) Thermal Desorption
    d) Aqueous Oxidation

    11. Soil Washing
    a) Introduction
    b) Process Description
    c) Design Considerations

    BOOKS AND REFERENCES

    LaGrega, M.D., Buckingham, P.L., Evans, J.C., Hazardous Waste Management, McGraw-Hill, 1994.Haas, C.N., Vamos, R.J., Hazardous and Industrial Waste Treatment, Prentice Hall, Englewood Cliffs, NJ, 1995. 

    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: 26th April 2020, 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.

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