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A field demonstration of a quantitative framework for defining the limits on in situ bioremediation

dc.contributor.advisorSeagren, Eric Aen_US
dc.contributor.authorWheaton, Matthew Yorken_US
dc.description.abstractHistoric cis-dichloroethene (cDCE) groundwater concentrations leaving the Russell Road landfill were greater than Virginia groundwater protection standards. In response, a pilot-scale system was implemented to stimulate reductive dechlorination. In support of this program, this study investigated the utility of a quantitative framework analysis to determine the overall rate-limiting step for in situ bioremediation at the site, based on a set of dimensionless parameters estimated from site-specific, scale-dependent processes. Sorption was determined not to be limiting due to the small magnitude and relatively rapid rate. However, either the biokinetics and/or the horizontal transverse dispersion, DT, processes were predicted to be the rate-limiting step(s) due to the apparently slow biokinetics and low DT value. These conclusions were consistent with the pilot-scale data, which indicated no enhancement of cDCE reduction or injected electron donor in many downgradient wells, demonstrating the potential utility of the dimensionless quantitative decision making framework applied in this work.en_US
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dc.titleA field demonstration of a quantitative framework for defining the limits on in situ bioremediationen_US
dc.contributor.publisherDigital Repository at the University of Marylanden_US
dc.contributor.publisherUniversity of Maryland (College Park, Md.)en_US
dc.contributor.departmentCivil Engineeringen_US
dc.subject.pqcontrolledEngineering, Environmentalen_US
dc.subject.pquncontrolledin-situ bioremediationen_US
dc.subject.pquncontrolleddimensionless parameter frameworken_US

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