EOSC 431 · Groundwater Remediation

Methods for containment and remediation of subsurface contaminants; including groundwater control, groundwater extraction, and in situ treatment. Experience with common design approaches. [2-2-0] Prerequisite: EOSC 429.

Course Availability & Schedule

 Alternate year course

Even year start – Term 2

Instructors

Leslie Smith, Ulrich Mayer

Lecture Topics

This course focuses on the design of groundwater remediation methods for dissolved contaminants and NAPL'S (non-aqueous phase liquids) with an emphasis on the role of aquifer heterogeneity and contaminant distribution. Various methods for containment and remediation of subsurface contaminants are introduced and assisted by case studies. Containment methods include the use of physical and hydraulic barriers. The design of groundwater extraction (Pump and Treat systems), soil vapor extraction, and air sparging systems will be discussed and basic design methods will be introduced. Passive in-situ treatment techniques (permeable reactive barriers, in-situ chemical oxidation) are also described and design criteria are provided. Further topics include the role of natural attenuation in groundwater remediation and a discussion of emerging technologies, such as thermally (steam flooding, soil heating) and chemically (alcohol flushing, surfactants) enhanced removal of contaminants. Limitations of presently available remediation technologies are addressed as well.

Labs

Written assignments on the remediation techniques introduced in the course and a computer lab on flow and transport modeling comprise the laboratory component of the course.