Search Results - "Freedman, Vicky"

Iodine immobilization by materials through sorption and redox-driven processes: A literature review by Moore, Robert C., Pearce, Carolyn I., Morad, Joseph W., Chatterjee, Sayandev, Levitskaia, Tatiana G., Asmussen, Robert M., Lawter, Amanda R., Neeway, James J., Qafoku, Nikolla P., Rigali, Mark J., Saslow, Sarah A., Szecsody, Jim E., Thallapally, Praveen K., Wang, Guohui, Freedman, Vicky L.

“…Radioiodine-129 (129I) in the subsurface is mobile and limited information is available on treatment technologies. Scientific literature was reviewed to…”
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Technetium immobilization by materials through sorption and redox-driven processes: A literature review by Pearce, Carolyn I., Moore, Robert C., Morad, Joseph W., Asmussen, R. Matthew, Chatterjee, Sayandev, Lawter, Amanda R., Levitskaia, Tatiana G., Neeway, James J., Qafoku, Nikolla P., Rigali, Mark J., Saslow, Sarah A., Szecsody, Jim E., Thallapally, Praveen K., Wang, Guohui, Freedman, Vicky L.

“…The objective of this review is to evaluate materials for use as a barrier or other deployed technology to treat technetium-99 (Tc) in the subsurface. To…”
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Accumulation mechanisms for contaminants on weak-base hybrid ion exchange resins by Saslow, Sarah A., Cordova, Elsa A., Escobedo, Nancy M., Qafoku, Odeta, Bowden, Mark E., Resch, Charles T., Lahiri, Nabajit, Nienhuis, Emily T., Boglaienko, Daria, Levitskaia, Tatiana G., Meyers, Peter, Hager, Jacqueline R., Emerson, Hilary P., Pearce, Carolyn I., Freedman, Vicky L.

“…Mechanism of hexavalent chromium removal (Cr(VI) as CrO42-) by the weak-base ion exchange (IX) resin ResinTech® SIR-700-HP (SIR-700) from simulated groundwater…”
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In situ precipitation of hydrous ferric oxide (HFO) for remediation of subsurface iodine contamination by Wang, Guohui, Szecsody, James E., Avalos, Nancy M., Qafoku, Nikolla P., Freedman, Vicky L.

“…A practical approach for in situ hydrous ferric oxide (HFO) precipitation was developed for iodine immobilization under field-scale conditions at the Hanford…”
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Evaluation of materials for iodine and technetium immobilization through sorption and redox-driven processes by Pearce, Carolyn I., Cordova, Elsa A., Garcia, Whitney L., Saslow, Sarah A., Cantrell, Kirk J., Morad, Joseph W., Qafoku, Odeta, Matyáš, Josef, Plymale, Andrew E., Chatterjee, Sayandev, Kang, Jaehyuk, Colon, Ferdinan Cintron, Levitskaia, Tatiana G., Rigali, Mark J., Szecsody, Jim E., Heald, Steve M., Balasubramanian, Mahalingam, Wang, Shuao, Sun, Daniel T., Queen, Wendy L., Bontchev, Ranko, Moore, Robert C., Freedman, Vicky L.

“…Radioactive iodine-129 (129I) and technetium-99 (99Tc) pose a risk to groundwater due to their long half-lives, toxicity, and high environmental mobility…”
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Spectral induced polarization of corrosion of sulfur modified Iron in sediments by Emerson, Hilary P., Szecsody, James E., Halter, Christopher, Robinson, Judy L., Thomle, Jonathan N., Bowden, Mark E., Qafoku, Odeta, Resch, C. Tom, Slater, Lee D., Freedman, Vicky L.

“…Spectral induced polarization (SIP) responses are not well understood within the context of remediation applications at contaminated sites. Systematic SIP…”
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Development of a vadose zone advanced monitoring system: Tools to assess groundwater vulnerability by Linneman, Dorothy C., Strickland, Christopher E., Appriou, Delphine, Rockhold, Mark L., Thomle, Jonathan N., Szecsody, James E., Martin, Paul F., Vermeul, Vince R., Mackley, Rob D., Freedman, Vicky L.

“…Performing repeat pore‐fluid sampling over long time‐scales can provide valuable information on unsaturated zone contaminants and their potential flux to…”
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A Review of Bismuth(III)-Based Materials for Remediation of Contaminated Sites by Levitskaia, Tatiana G, Qafoku, Nikolla P, Bowden, Mark E, Asmussen, R. Matthew, Buck, Edgar C, Freedman, Vicky L, Pearce, Carolyn I

“…Bismuth­(III)-based materials are uniquely suited for in situ subsurface remedy applications, as they offer many beneficial properties, including high affinity…”
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Time-Dependent Iodate and Iodide Adsorption to Fe Oxides by Wang, Guohui, Qafoku, Nikolla P, Szecsody, James E, Strickland, Christopher E, Brown, Christopher F, Freedman, Vicky L

“…Aqueous iodine removal via adsorption onto Fe oxides could provide an efficient remedial pathway for the vadose zone and groundwater contamination. We…”
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Experimental and Numerical Study of Radioiodine Sorption and Transport in Hanford Sediments by He, Xiaoliang, Rockhold, Mark L., Fang, Yilin, Lawter, Amanda R., Freedman, Vicky L., Mackley, Rob D., Qafoku, Nikolla P.

“…Radioiodine (129I) poses a potential risk to human health and the environment at several U.S. Department of Energy sites, including the Hanford Site, located…”
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Hybrid Sorbents for 129 I Capture from Contaminated Groundwater by Cordova, Elsa A, Garayburu-Caruso, Vanessa A, Pearce, Carolyn I, Cantrell, Kirk J, Morad, Joseph, Gillispie, Elizabeth, Riley, Brian J, Cintron-Colon, Ferdinan, Levitskaia, Tatiana G, Saslow, Sarah A, Qafoku, Odeta, Resch, Charles Tom, Rigali, Mark, Szecsody, James E, Heald, Steve M, Balasubramanian, Mahalingam, Meyers, Peter, Freedman, Vicky L

“…Radioiodine ( I) poses a risk to the environment due to its long half-life, toxicity, and mobility. It is found at the U.S. Department of Energy Hanford Site…”
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Hybrid Sorbents for 129I Capture from Contaminated Groundwater by Cordova, Elsa A, Garayburu-Caruso, Vanessa, Pearce, Carolyn I, Cantrell, Kirk J, Morad, Joseph W, Gillispie, Elizabeth C, Riley, Brian J, Colon, Ferdinan Cintron, Levitskaia, Tatiana G, Saslow, Sarah A, Qafoku, Odeta, Resch, Charles T, Rigali, Mark J, Szecsody, Jim E, Heald, Steve M, Balasubramanian, Mahalingam, Meyers, Peter, Freedman, Vicky L

“…Radioiodine (129I) poses a risk to the environment due to its long half-life, toxicity, and mobility. It is found at the U.S. Department of Energy Hanford Site…”
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Elements of complexity in subsurface modeling, exemplified with three case studies by Freedman, Vicky L., Truex, Michael J., Rockhold, Mark L., Bacon, Diana H., Freshley, Mark D., Wellman, Dawn M.

“…There are complexity elements to consider when applying subsurface flow and transport models to support environmental analyses. Modelers balance the benefits…”
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Simulating the heterogeneity in braided channel belt deposits. 1. A geometric‐based methodology and code by Ramanathan, Ramya, Guin, Arijit, Ritzi, Robert W, Dominic, David F, Freedman, Vicky L, Scheibe, Timothy D, Lunt, Ian A

“…A geometric‐based simulation methodology was developed and incorporated into a computer code to model the hierarchical stratal architecture, and the…”
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Assessing the thermal environmental impacts of an groundwater heat pump in southeastern Washington State by Freedman, Vicky L., Waichler, Scott R., Mackley, Rob D., Horner, Jake A.

“…► We present an assessment methodology for a thermal analysis of a GHP. ► We show a conflict between the GHP efficiency and thermal environmental impacts. ►…”
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Simulating the heterogeneity in braided channel belt deposits. 2. Examples of results and comparison to natural deposits by Guin, Arijit, Ramanathan, Ramya, Ritzi, Robert W. Jr, Dominic, David F, Lunt, Ian A, Scheibe, Timothy D, Freedman, Vicky L

“…In part 1 of this paper (Ramanathan et al., 2010b) we presented a methodology and a code for modeling the hierarchical sedimentary architecture in braided…”
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Influences on Subsurface Plutonium and Americium Migration by Emerson, Hilary P, Pearce, Carolyn I, Delegard, Calvin H, Cantrell, Kirk J, Snyder, Michelle M.V, Thomas, May-Lin, Gartman, Brandy N, Miller, Micah D, Resch, Charles T, Heald, Steve M, Plymale, Andrew E, Reilly, Dallas D, Saslow, Sarah A, Neilson, William, Murphy, Samuel, Zavarin, Mavrik, Kersting, Annie B, Freedman, Vicky L

“…Plutonium (Pu) has been released to the environment worldwide, including approximately 1.85 × 1015 Bq (200 kg) of Pu from process waste solutions to unconfined…”
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A science data gateway for environmental management by Agarwal, Deborah A., Faybishenko, Boris, Freedman, Vicky L., Krishnan, Harinarayan, Kushner, Gary, Lansing, Carina, Porter, Ellen, Romosan, Alexandru, Shoshani, Arie, Wainwright, Haruko, Weidmer, Arthur, Wu, Kesheng

“…Summary Science data gateways are effective in providing complex science data collections to the world‐wide user communities. In this paper we describe a…”
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Evaluation of Analytical and Numerical Techniques for Defining the Radius of Influence for an Open-Loop Ground Source Heat Pump System by Freedman, Vicky L, Mackley, Rob, Waichler, Scott R, Horner, Jake

“…AbstractIn an open-loop groundwater heat pump (GHP) system, groundwater is extracted, run through a heat exchanger, and injected back into the ground,…”
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A high-performance workflow system for subsurface simulation by Freedman, Vicky L., Chen, Xingyuan, Finsterle, Stefan, Freshley, Mark D., Gorton, Ian, Gosink, Luke J., Keating, Elizabeth H., Lansing, Carina S., Moeglein, William A.M., Murray, Christopher J., Pau, George S.H., Porter, Ellen, Purohit, Sumit, Rockhold, Mark, Schuchardt, Karen L., Sivaramakrishnan, Chandrika, Vessilinov, Velimir V., Waichler, Scott R.

“…The U.S. Department of Energy (DOE) recently invested in developing a numerical modeling toolset called ASCEM (Advanced Simulation Capability for Environmental…”
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