Title

Feasibility of Soil Vapor Extraction Systems in Low Permeability Soils

Date of Award

4-6-2011

Document Type

Capstone Project

Disciplines

Environmental Policy & Mgmt

Degree Name

Master of Applied Science

Department

Environmental Policy & Mgmt

Advisor

Stephanie Grand

Keywords

Extraction; Low permeability; pneumatic fracturing; six-phase soil heating; Soil; SVE; Vapor

Abstract

Soil vapor extraction (SVE)systems can be used to remediate enviornmental sites that have been contaminated with petroleum products. However, SVE systems rely on pore space in soils to draw the vapors through the soil, creating a vacuum. Therefore, SVE systems are not as effective when used in low permeability soils. This study aims to determine whether SVE systems can be used on low permeability soils in conjunction with companion technologies. The results indicate that SVE systems can be utilized in low permeability soils if used in conjunction with companion technologies that increase soil permeability and cantaminant volatilization. The promising companion technology is six-phase soil heating, based on contamination removal rate and cost estimates.

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