H31L:
Subsurface Contaminant Transport and Remediation: Advances in Process Understanding and Applications I

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Session ID#: 17264

Session Description:
This session focuses on recent advances in our fundamental understanding of the physicochemical processes affecting the fate, transport, and remediation of subsurface contaminants. These coupled, non-linear processes may span the hydrogeologic, geochemical, radiological, and microbiological domains and include contaminants and/or remediants ranging from organics, metals, radionuclides, and pathogens to nanoparticles and other emerging contaminants. Theoretical, laboratory, field-scale, and modeling studies that further our understanding of these processes or new remedial applications/approaches used to quantify and enhance remediation performance or develop closure strategies are appropriate for this session. Presentations that leverage the synergy of multiple approaches are especially welcome. This session intends to support broad interaction across the hydrogeology community and straddle the science/engineering interface. Participation bridging traditional research areas, including (but not limited to) groundwater, vadose-zone, groundwater-surface water interface, biology, chemistry, soil- physics, and remediation engineering is encouraged.
Primary Convener:  Thomas J Phelan, US Air Force Academy, Department of Civil and Environmental Engineering, USAF Academy, CO, United States
Conveners:  Jason Gerhard, University of Western Ontario, Civil and Environmental Engineering, London, ON, Canada and Geoffrey R Tick, University of Alabama, Department of Geological Sciences, Tuscaloosa, United States
Chairs:  Jason Gerhard, University of Western Ontario, Civil and Environmental Engineering, London, ON, Canada and Geoffrey R Tick, University of Alabama, Department of Geological Sciences, Tuscaloosa, United States
OSPA Liaison:  Thomas J Phelan, US Air Force Academy, Department of Civil and Environmental Engineering, USAF Academy, CO, United States

Cross-Listed:
  • B - Biogeosciences
Index Terms:

1831 Groundwater quality [HYDROLOGY]
1832 Groundwater transport [HYDROLOGY]
1847 Modeling [HYDROLOGY]
1875 Vadose zone [HYDROLOGY]

Abstracts Submitted to this Session:

Role of Extracellular Electron Transfer for Contaminant Metal Reduction in Sediment Nanopores, and Implications for Hazardous Waste Site Cleanup (Invited) (143134)
Charles J Werth, The University of Texas at Austin, Fariborz Maseeh Department of Civil, Architectural and Environmental Engineering, Austin, United States, Kyle Michelson, University of Illinois at Urbana Champaign, Urbana, IL, United States, Albert J Valocchi, University of Illinois at Urbana-Champaign, Department of Civil and Environmental Engineering, Urbana, United States and Robert A. Sanford, University of Illinois at Urbana-Champaign, Department of Geology, Urbana, IL, United States
Bioaccessible Porosity: A new approach to assess residual contamination after bioremediation of hydrophobic organic compounds in sub-surface microporous environments (162283)
Ali Akbari, McGill University, Montreal, QC, Canada and Subhasis Ghoshal, McGill Univ, Montreal, QC, Canada
Reductive Dechlorination of 1,2,4-Trichlorobenzene and Its Metabolites at a Contaminated Site in Nanjing, China: Concordance between Field and Microcosm Data (144083)
Wenjing Qiao1, Line Lomheim2, Fei Luo2, Shujun Ye1, Jichun Wu3 and Elizabeth Edwards4, (1)Nanjing University, School of Earth Sciences and Engineering, Nanjing, China, (2)University of Toronto, Toronto, ON, Canada, (3)Nanjing University, Nanjing, China, (4)University of Toronto, Department of Chemical Engineering and Applied Chemistry, Toronto, ON, Canada
Characterization of nano-bubbles as an oxygen carrier for in-situ bioremediation of organic pollutants in the subsurface (154681)
Euna KIM1, Jihyeun Jung1, Seju Kang1 and Yongju Choi2, (1)Seoul National University, Seoul, Korea, Republic of (South), (2)Seoul National University, Seoul, South Korea
Temperature Modeling of an Oil-Contaminated Aquifer with Heat from microbial degradation (191121)
Ean Warren, USGS Geological Survey, Menlo Park, CA, United States and Barbara A Bekins, U.S. Geological Survey, Moffett Field, CA, United States
The Effects of Subsurface Bioremediation on Soil Structure, Colloid Formation, and Contaminant Transport (198534)
Yusong Wang1, Xiaolong Liang2, Jie Zhuang3 and Mark Radosevich1, (1)University of Tennessee, Knoxville, TN, United States, (2)University of Tennessee, Biosystems Engineering and Soil Science, Knoxville, TN, United States, (3)University of Tennessee, Center for Environmental Biotechnology, Knoxville, TN, United States
Electrokinetic Enhanced Permanganate Delivery for Low Permeability Soil Remediation (175805)
Ahmed Ishtiaque Amin Chowdhury1, Jason Gerhard1, David A Reynolds2, Brent E Sleep3 and Denis M O'Carroll4, (1)University of Western Ontario, Civil and Environmental Engineering, London, ON, Canada, (2)Geosyntec Consultants Guelph, Guelph, ON, Canada, (3)University of Toronto, Civil and Mineral Engineering, Toronto, ON, Canada, (4)University of Western Ontario, London, ON, Canada
Electrokinetic and hydraulic emplacement of amendments at a field trial (170346)
Denis M O'Carroll1, Ahmed Ishtiaque Amin Chowdhury2, Nicholas Head2, Ainsley Inglis2, Ariel N Garcia2, Jason Gerhard2, David A Reynolds3, Marlaina Auger3, Leanne Murdie Austrins4, Jennifer Hayman5, Joanne West6 and Audrey Sidebottom6, (1)University of Western Ontario, London, ON, Canada, (2)University of Western Ontario, Civil and Environmental Engineering, London, ON, Canada, (3)Geosyntec Consultants Guelph, Guelph, ON, Canada, (4)CH2M HILL, Komoka, ON, Canada, (5)CH2M HILL, Kitchener, ON, Canada, (6)Dow Chemical, Sarnia, ON, Canada

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