Search Results - "Lee, Tony R."

In Situ Chemical Reduction of Cr(VI) in Groundwater Using a Combination of Ferrous Sulfate and Sodium Dithionite:  A Field Investigation by Ludwig, Ralph D, Su, Chunming, Lee, Tony R, Wilkin, Richard T, Acree, Steven D, Ross, Randall R, Keeley, Ann

“…A field study was conducted to evaluate the performance of a ferrous iron based in situ redox zone for the treatment of a dissolved phase Cr(VI) plume at a…”
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Iron Optimization for Fenton-Driven Oxidation of MTBE-Spent Granular Activated Carbon by Huling, Scott G, Jones, Patrick K, Lee, Tony R

“…Fenton-driven chemical oxidation of methyl tert-butyl ether (MTBE)-spent granular activated carbon (GAC) was accomplished through the addition of iron (Fe) and…”
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Performance of a zerovalent iron reactive barrier for the treatment of arsenic in groundwater: Part 1. Hydrogeochemical studies by Wilkin, Richard T., Acree, Steven D., Ross, Randall R., Beak, Douglas G., Lee, Tony R.

“…Developments and improvements of remedial technologies are needed to effectively manage arsenic contamination in groundwater at hazardous waste sites. In June…”
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Fifteen-year assessment of a permeable reactive barrier for treatment of chromate and trichloroethylene in groundwater by Wilkin, Richard T., Acree, Steven D., Ross, Randall R., Puls, Robert W., Lee, Tony R., Woods, Leilani L.

“…The fifteen-year performance of a granular iron, permeable reactive barrier (PRB; Elizabeth City, North Carolina) is reviewed with respect to contaminant…”
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Rare-Earth Elements as Natural Tracers for In Situ Remediation of Groundwater by Wilkin, Richard T, Lee, Tony R, Ludwig, Ralph D, Wadler, Claire, Brandon, William, Mueller, Brian, Davis, Eva, Luce, Darryl, Edwards, Tracy

“…The utility of rare-earth elements (REEs) as natural geochemical tracers for the analysis of groundwater remediation was examined in several example permeable…”
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Geochemical and Isotope Study of Trichloroethene Degradation in a Zero-Valent Iron Permeable Reactive Barrier: A Twenty-Two-Year Performance Evaluation by Wilkin, Richard T, Lee, Tony R, Sexton, Molly R, Acree, Steven D, Puls, Robert W, Blowes, David W, Kalinowski, Christopher, Tilton, Jennifer M, Woods, Leilani L

“…This study provides a twenty-two-year record of in situ degradation of chlorinated organic compounds by a granular iron permeable reactive barrier (PRB)…”
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Groundwater co-contaminant behavior of arsenic and selenium at a lead and zinc smelting facility by Wilkin, Richard T., Lee, Tony R., Beak, Douglas G., Anderson, Robert, Burns, Betsy

“…Co-contaminant behavior of arsenic (As) and selenium (Se) in groundwater is examined in this study at a former lead and zinc smelting facility. We collected…”
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Iron hydroxy carbonate formation in zerovalent iron permeable reactive barriers: Characterization and evaluation of phase stability by Lee, Tony R., Wilkin, Richard T.

“…Predicting the long-term potential of permeable reactive barriers for treating contaminated groundwater relies on understanding the endpoints of biogeochemical…”
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In Situ Chemical Reduction of Cr(VI) in Groundwater Using a Combination of Ferrous Sulfate and Sodium Dithionite: A Field Investigation by Ludwig, Ralph D, Su, Chunming, Lee, Tony R, Wilkin, Richard T, Acree, Steven D, Ross, Randall R, Keeley, Ann

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In Situ Source Treatment of Cr(VI) Using a Fe(II) -Based Reductant Blend: Long-Term Monitoring and Evaluation by Ludwig, Ralph D, Su, Chunming, Lee, Tony R, Wilkin, Richard T, Sass, Bruce M

“…The long-term effectiveness of an FeSO4 + Na2 S2 O4 reductant solution blend for in situ saturated zone treatment of dissolved and solid phase Cr(VI) in a high…”
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Enhanced Contact of Cosolvent and DNAPL in Porous Media by Concurrent Injection of Cosolvent and Air by Jeong, Seung-Woo, Wood, A. Lynn, Lee, Tony R

“…Dense nonaqueous phase liquid (DNAPL) contamination is a major environmental problem. Cosolvent flooding is proposed as a remedial alternative to water…”
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Enhanced removal of DNAPL trapped in porous media using simultaneous injection of cosolvent with air: influencing factors and removal mechanisms by Jeong, Seung-Woo, Lynn Wood, A, Lee, Tony R

“…Factors influencing dense non-aqueous phase liquid (DNAPL) removal by concurrent injection of cosolvent and air were evaluated using micromodels and…”
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Effects of pure and dyed PCE on physical and interfacial properties of remedial solutions by Jeong, Seung-Woo, Wood, A.Lynn, Lee, Tony R

“…Hydrophobic dyes have been used to visually distinguish dense non-aqueous phase liquid (DNAPL) contaminants from background aqueous phases and soils. The…”
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Microbial responses to in situ chemical oxidation, six-phase heating, and steam injection remediation technologies in groundwater by Azadpour-Keeley, Ann, Wood, Lynn A., Lee, Tony R., Mravik, Susan C.

“…The evaluation of microbial responses to three in situ source removal remedial technologies—permanganate‐based in situ chemical oxidation (ISCO), six‐phase…”
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Groundwater co-contaminant behavior of arsenic and selenium at a lead and zinc smelting facility by Wilkin, Richard T., Lee, Tony R., Beak, Douglas G., Anderson, Robert, Burns, Betsy

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Fifteen-year assessment of a permeable reactive barrier for treatment of chromate and trichloroethylene in groundwater by WILKIN, Richard T, ACREE, Steven D, ROSS, Randall R, PULS, Robert W, LEE, Tony R, WOODS, Leilani L

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