Electronic Theses and Dissertations

Date of Award

1-1-2020

Document Type

Thesis

Degree Name

M.S. in Engineering Science

First Advisor

Robert M Holt

Second Advisor

Andrew O'Reilly

Third Advisor

Gregg Davidson

School

University of Mississippi

Relational Format

dissertation/thesis

Abstract

The purpose of this study is to confirm the ability to inject groundwater directly into a Permeable Reactive Barrier (PRB) and achieve a significant reduction of chlorinated volatile organic compounds (CVOCs) as a result of zero-valent iron (ZVI) assisted reductive dechlorination. Theil-Sen estimation and Mann Kendall testing reveals that directly injecting impacted groundwater to zero-valent iron available to facilitate reductive dechlorination can reduce existing CVOC levels by nearly 70%. Analytical results suggest that trichloroethene (TCE) and cis-1, 2 dichloroethene (cDCE) levels decrease over a remediation testing period. The use of denatured alcohol well treatment mitigated permeability loss throughout the injection to process to ensure viability of the proposed injection methods and subsequent remediation.

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