NPTEL : NOC:Environmental Remediation of Contaminated Sites (Civil Engineering)

Co-ordinators : Prof. Bhanu Prakash Vellanki


Lecture 1 - Introduction - I

Lecture 2 - Introduction - II

Lecture 3 - Course Outline

Lecture 4 - Introduction to hazardous waste laws and risk assessment

Lecture 5 - The major aspects of Risk Assessment

Lecture 6 - Risk Characterization

Lecture 7 - Risk Assessment-Deterministic approach

Lecture 8 - Risk Assessment-Stochastic Approach

Lecture 9 - Hazardous Waste laws - The TCLP Test

Lecture 10 - Hazardous rules and regulations

Lecture 11 - Remediation of contaminated GW-Plume Containment

Lecture 12 - Remediation of contaminated GW-Javendel et al’s approach

Lecture 13 - Remediation of contaminated GW by Pump and Treat - I

Lecture 14 - Remediation of contaminated GW by Pump and Treat - II

Lecture 15 - Remediation of contaminated GW- Calculation of remediation time and introduction to source control

Lecture 16 - Permeable Reactive Barriers - I

Lecture 17 - Permeable Reactive Barriers - II

Lecture 18 - Permeable Reactive Barriers - III

Lecture 19 - Design of Permeable Reactive Barriers

Lecture 20 - Case Study on Permeable Reactive Barriers - I

Lecture 21 - Case Study on Permeable Reactive Barriers - II

Lecture 22 - Case Study - PRB (Utah)

Lecture 23 - Case Study (Utah) (Continued...)

Lecture 24 - Introduction to natural attenuation and its types

Lecture 25 - Mechanism of natural attenuation and the affecting factors

Lecture 26 - Pathways of Contaminant Transport and Rate of Degradation of Contaminant

Lecture 27 - Rate of Degradation of Contaminant when advection is considered

Lecture 28 - Rate of Degradation of Contaminant when both diffusion and advection are considered

Lecture 29 - Example of Rate of Degradation in natural attenuation

Lecture 30 - Case study: Natural Attenuation

Lecture 31 - Results of Case Study: Natural Attenuation

Lecture 32 - Introduction of Soil/Sediments contamination with some examples

Lecture 33 - Case Study: Soil/Sediments Contamination and remediation by Excavation and Disposal

Lecture 34 - Hazardous waste disposal site/TSDF

Lecture 35 - Different type of fluxes through containment barrier

Lecture 36 - Introduction to Solidification and Stabilisation and Case Study

Lecture 37 - Different contaminant reactions during solidification and stabilisation

Lecture 38 - Diffusion of contaminant through solidified form

Lecture 39 - Calculations for fractions of binders, admixtures, waste and water used in solidification

Lecture 40 - Discussion of TCLP approach in solidification and its examples

Lecture 41 - Discussion of TCLP approach (Continued...) and Cost estimation of Solidification

Lecture 42 - Case Study: Solidification and Stabilization

Lecture 43 - Chemical Treatment

Lecture 44 - Case Study: In-Situ Chemical Oxidation - Part I

Lecture 45 - Case Study: In-Situ Chemical Oxidation - Part II

Lecture 46 - Case Study: In-Situ Chemical Oxidation - Part III

Lecture 47 - Surfactant Extraction - Part I

Lecture 48 - Surfactant Extraction - Part II

Lecture 49 - Case Study: Surfactant Extraction - Part I

Lecture 50 - Case Study: Surfactant Extraction - Part II

Lecture 51 - Soil Vapor Extraction - Part I

Lecture 52 - Soil Vapor Extraction - Part II

Lecture 53 - Bioremediation - Part I

Lecture 54 - Bioremediation - Part II

Lecture 55 - Case Study: Bioremediation

Lecture 56 - Case Study: Soil Vapor Extraction - Part I

Lecture 57 - Case Study: Soil Vapor Extraction - Part II

Lecture 58 - Phyto-remediation

Lecture 59 - Thermal Processes and Soil Washing