H24E:
Microorganisms, Colloids, Engineered Nanoparticles, and Emerging Contaminants in the Environment II

Tuesday, 16 December 2014: 4:00 PM-6:00 PM
Chairs:  Denis M O'Carroll, University of Western Ontario, London, ON, Canada and Andrew Ramsburg, Tufts University, Civil and Environmental Engineering, Medford, MA, United States
Primary Conveners:  Denis M O'Carroll, Western University, Civil and Environmental Engineering, London, ON, Canada
Co-conveners:  Andrew Ramsburg, Tufts University, Civil and Environmental Engineering, Medford, MA, United States and William P Johnson, Univ Utah, Salt Lake City, UT, United States
OSPA Liaisons:  William P Johnson, Univ Utah, Salt Lake City, UT, United States

Abstracts Submitted to this Session:

4:00 PM
 
EQUILIBRIUM AND KINETIC MODELS FOR COLLOID RELEASE UNDER TRANSIENT SOLUTION CHEMISTRY CONDITIONS
Scott Alan Bradford, USDA ARS, usda ars riverside ca, Pendleton, OR, United States, Saeed Torkzaban, CSIRO Highett Laboratories, Highett, Australia, Feike J Leij, California State University Long Beach, Long Beach, CA, United States and Jiri Simunek, University of California Riverside, Dept. Environmental Sciences, Riverside, CA, United States
4:15 PM
 
Colloid particle size-dependent dispersivity
Constantinos V. Chrysikopoulos, Technical University of Crete, Chania, Greece and Vasileios E. Katzourakis, University of Patras, Department of Civil Engineering, Patras, Greece
4:30 PM
 
Americium, Cesium, and Plutonium Colloid-Facilitated Transport in a Groundwater/Bentonite/Fracture Fill Material System: Column Experiments and Model Results
Timothy M Dittrich, Hakim Boukhalfa and Paul W Reimus, Los Alamos National Laboratory, Los Alamos, NM, United States
4:45 PM
 
Effect of Hydrodynamics on Particle Transport in Saturated Fractures: Experimental and Simulation Results
Sean Cianflone, Vickram Lakhian and Sarah E Dickson, McMaster University, Hamilton, ON, Canada
5:00 PM
 
Relationship between the Averaged Deposition Rate Coefficients for Colloids in a Single Pore and Various Pore-scale Parameters
Seetha Narayanan1, M.S. Mohan Kumar1, S. Majid Hassanizadeh2 and Amir Raoof2, (1)Indian Institute of Science, Bangalore, India, (2)Utrecht University, Utrecht, 3584, Netherlands
5:15 PM
 
Hydration State and Aqueous Phase Connectivity Shape Microbial Dispersal Rates in Unsaturated Angular Pore Networks
Ali Ebrahimi and Dani Or, ETH Swiss Federal Institute of Technology Zurich, Zurich, Switzerland
5:30 PM
 
Numerical Simulation of nZVI at the Field Scale
Ahmed I Chowdhury1, Magdalena Krol2, Brent E Sleep3 and Denis M O'Carroll1, (1)University of Western Ontario, London, ON, Canada, (2)York University, Toronto, ON, Canada, (3)University of Toronto, Civil Engineering, Toronto, ON, Canada
5:45 PM
 
Nano-scale zero valent iron transport in a variable aperture dolomite fracture and a glass fracture
Brent E Sleep1, Pulin Mondal1, Ziteng Cui1 and Zhifang Zhou2, (1)University of Toronto, Civil Engineering, Toronto, ON, Canada, (2)Hohai University, School of Earth Science and Engineering, Nanjing, China
 
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