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Use of Interface Treatment to Reduce Emissions From Residuals in Lower Permeability Zones to Groundwater Flowing Through More Permeable Zones


Abstract Hydrocarbon spill site cleanup is challenging when contaminants are present in lower permeability layers. These are difficult to remediate and may result in long-term groundwater impacts. The research goal is to investigate strategies for long-term reduction of contaminant emissions from sources in low permeability layers through partial source treatment at higher/lower permeability interfaces. Conceptually, this provides a clean/reduced concentration zone near the interface, and consequently a reduced concentration gradient and flux from the lower permeability layer. Treatment by in-situ chemical oxidation (ISCO) was evaluated using hydrogen peroxide (H2O2) and sodium persulfate (Na2S2O8). H2O2 studies included lab and field-scale distribu... (more)
Created Date 2014
Contributor Cavanagh, Bridget (Author) / Johnson, Paul C (Advisor) / Westerhoff, Paul (Committee member) / Kavazanjian, Edward (Committee member) / Bruce, Cristin (Committee member) / Arizona State University (Publisher)
Subject Environmental engineering
Type Doctoral Dissertation
Extent 372 pages
Language English
Copyright
Reuse Permissions All Rights Reserved
Note Ph.D. Civil and Environmental Engineering 2014
Collaborating Institutions Graduate College / ASU Library
Additional Formats MODS / OAI Dublin Core / RIS


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Description Dissertation/Thesis