Search Results - "Torkzaban, Saeed"

Colloid Interaction Energies for Physically and Chemically Heterogeneous Porous Media by Bradford, Scott A., Torkzaban, Saeed

“…The mean and variance of the colloid interaction energy (Φ*) as a function of separation distance (h) were calculated on physically and/or chemically…”
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Modeling colloid transport and retention in saturated porous media under unfavorable attachment conditions by Bradford, Scott A., Torkzaban, Saeed, Simunek, Jiri

“…A mathematical model is presented for colloid transport and retention in saturated porous media under unfavorable attachment conditions. The model accounts for…”
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Resolving the Coupled Effects of Hydrodynamics and DLVO Forces on Colloid Attachment in Porous Media by Torkzaban, Saeed, Bradford, Scott A, Walker, Sharon L

“…Transport of colloidal particles in porous media is governed by the rate at which the colloids strike and stick to collector surfaces. Classic filtration…”
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Release of Quantum Dot Nanoparticles in Porous Media: Role of Cation Exchange and Aging Time by Torkzaban, Saeed, Bradford, Scott A, Wan, Jiamin, Tokunaga, Tetsu, Masoudih, Arash

“…Understanding the fate and transport of engineered nanoparticles (ENPs) in subsurface environments is required for developing the best strategy for waste…”
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Transport and fate of bacteria in porous media: Coupled effects of chemical conditions and pore space geometry by Torkzaban, Saeed, Tazehkand, Shiva S., Walker, Sharon L., Bradford, Scott A.

“…Experimental and theoretical studies were undertaken to explore the coupled effects of chemical conditions and pore space geometry on bacteria transport in…”
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Coupled Factors Influencing Concentration-Dependent Colloid Transport and Retention in Saturated Porous Media by Bradford, Scott A, Kim, Hyunjung N, Haznedaroglu, Berat Z, Torkzaban, Saeed, Walker, Sharon L

“…The coupled influence of input suspension concentration (C i), ionic strength (IS), and hydrodynamics on the transport and retention of 1.1 μm…”
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Colloid transport in unsaturated porous media: The role of water content and ionic strength on particle straining by Torkzaban, Saeed, Bradford, Scott A., van Genuchten, Martinus Th, Walker, Sharon L.

“…Packed column and mathematical modeling studies were conducted to explore the influence of water saturation, pore-water ionic strength, and grain size on the…”
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Visualization of Micro-Particle Retention on a Heterogeneous Surface Using Micro-models: Influence of Nanoscale Surface Roughness by Argent, Joel, Torkzaban, Saeed, Hubbard, Stephen, Le, Helen, Amirianshoja, Tahmineh, Haghighi, Manouchehr

“…Nanoscale surface roughness and charge heterogeneity have been widely recognized to influence particle retention in porous media under unfavourable chemical…”
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Modeling the coupled effects of pore space geometry and velocity on colloid transport and retention by Bradford, Scott A, Torkzaban, Saeed, Simunek, Jiri, Genuchten, Martinus T. van

“…Recent experimental and theoretical work has demonstrated that pore space geometry and hydrodynamics can play an important role in colloid retention under…”
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Reply to comment by William P. Johnson et al. on “Transport and fate of bacteria in porous media: Coupled effects of chemical conditions and pore space geometry” by Torkzaban, Saeed, Walker, Sharon L, Bradford, Scott A

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Critical role of surface roughness on colloid retention and release in porous media by Torkzaban, Saeed, Bradford, Scott A.

“…This paper examines the critical role of surface roughness (both nano- and micro-scale) on the processes of colloid retention and release in porous media under…”
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Determining Parameters and Mechanisms of Colloid Retention and Release in Porous Media by Bradford, Scott A, Torkzaban, Saeed

“…A modeling framework is presented to determine fundamental parameters and controlling mechanisms of colloid (microbes, clays, and nanoparticles) retention and…”
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A Theoretical Analysis of Colloid Attachment and Straining in Chemically Heterogeneous Porous Media by Bradford, Scott A, Torkzaban, Saeed, Shapiro, Alexander

“…A balance of applied hydrodynamic (T H ) and resisting adhesive (T A ) torques was conducted over a chemically heterogeneous porous medium that contained…”
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Colloid Adhesive Parameters for Chemically Heterogeneous Porous Media by Bradford, Scott A, Torkzaban, Saeed

“…A simple modeling approach was developed to calculate colloid adhesive parameters for chemically heterogeneous porous media. The area of the zone of…”
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Transport and retention of bacteria and viruses in biochar-amended sand by Sasidharan, Salini, Torkzaban, Saeed, Bradford, Scott A., Kookana, Rai, Page, Declan, Cook, Peter G.

“…The transport and retention of Escherichia coli and bacteriophages (PRD1, MS2 and ФX174), as surrogates for human pathogenic bacteria and viruses,…”
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Determining water quality requirements of coal seam gas produced water for sustainable irrigation by Mallants, Dirk, Šimůnek, Jirka, Torkzaban, Saeed

“…•Coal seam gas production generates large volumes of water typically high in total dissolved solids.•Use of untreated produced water for irrigation may cause…”
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Colloid release and clogging in porous media: Effects of solution ionic strength and flow velocity by Torkzaban, Saeed, Bradford, Scott A., Vanderzalm, Joanne L., Patterson, Bradley M., Harris, Brett, Prommer, Henning

“…The release and retention of in-situ colloids in aquifers play an important role in the sustainable operation of managed aquifer recharge (MAR) schemes. The…”
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Modeling Microorganism Transport and Survival in the Subsurface by Bradford, Scott A., Wang, Yusong, Kim, Hyunjung, Torkzaban, Saeed, Šimůnek, Jiri

“…An understanding of microbial transport and survival in the subsurface is needed for public health, environmental applications, and industrial processes. Much…”
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Modeling Virus Transport and Removal during Storage and Recovery in Heterogeneous Aquifers by Torkzaban, Saeed, Hocking, Mark, Bradford, Scott A., Tazehkand, Sara S., Sasidharan, Salini, Šimůnek, Jiří

“…•A numerical model incorporating aquifer heterogeneities was developed to evaluate virus removal during ASR.•The sensitivity of virus removal to key…”
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Equilibrium and kinetic models for colloid release under transient solution chemistry conditions by Bradford, Scott A., Torkzaban, Saeed, Leij, Feike, Simunek, Jiri

“…We present continuum models to describe colloid release in the subsurface during transient physicochemical conditions. Our modeling approach relates the amount…”
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