Title page for ETD etd-08202008-114339

Type of Document Master's Thesis
Author Mobile, Michael Anthony
Author's Email Address mobile@vt.edu
URN etd-08202008-114339
Title RECOVERY-RD: The Development of a Biotransformation Model for Sediment Systems Contaminated with PCBs
Degree Master of Science
Department Environmental Engineering
Advisory Committee
Advisor Name Title
Widdowson, Mark A. Committee Chair
Burbey, Thomas J. Committee Member
Gallagher, Daniel L. Committee Member
  • biodegradation
  • contaminated sediment
  • polychlorinated biphenyl
  • remedial design
  • recovery
  • sediment cap
  • numerical model
  • biotransformation
Date of Defense 2008-08-06
Availability unrestricted
This thesis describes the creation of RECOVERY-RD, a numerical model capable of representing the biotransformation processes associated with Polychlorinated Biphenyl (PCB) compounds in contaminated sediments for a variety of aquatic environments, including rivers and marine systems. RECOVERY-RD is intended as a screening tool for evaluating the impact of engineered sediment caps on contaminant remediation. The two key components that provided the framework for RECOVERY-RD are RECOVERY, a model for contaminant transport in stratified sediment, and SEAM3D, a numerical transport model for contaminated groundwater systems. The predictions made by RECOVERY-RD are verified using a series of test cases organized to test each phase of the modification process individually. The results show that the processes simulated by RECOVERY-RD are reasonably represented when compared to alternative calculation methods that have been previously verified. A hypothetical application of the initial version of the model provides evidence of the usefulness as a screening-level tool for the assessment of remedial efficacy.
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