Index Catalog // ScholarsArchive@OSU

Radon-222 as an indicator for nonaqueous phase liquids in the saturated zone : developing a detection technology

Creator:: Hopkins, Omar Snowden
Abstract:: Radon-222 gas has unique properties allowing it to be used as an indicator for the presence of organic phase liquids in the saturated zone. It naturally occurs in soils. It is radioactive, making quantitative detection straight forward. A noble gas, it is chemically inert and does not react with aquifer...
Resource Type:: Masters Thesis

Continuous-flow and batch column studies of anaerobic carbon tetrachloride biotransformation on Hanford soil

Creator:: Niemet, Michael Richard
Abstract:: Continuous-flow and batch experiments were conducted with a column reactor system containing Hanford aquifer material in order to evaluate the potential of in-situ bioremediation of carbon tetrachloride (CT) at Hanford. The effectiveness of benzoate and acetate as primary substrates was considered. Nitrate and sulfate were potential electron acceptors. Transport experiments...
Resource Type:: Masters Thesis

An anaerobic microcosm study of TCE transformation by microbes stimulated from the Gilbert-Mosley site, Wichita, Kansas

Creator:: Pon, George
Abstract:: A mix-culture of methanogenic and sulfate-reducing bacteria was capable of degrading trichloroethylene (TCE) to dichloroethylene (DCE). The culture was incubated under anaerobic conditions within a soil sample taken from Gilbert-Mosley site, Wichita, Kansas. To stimulate the growth of indigenous bacteria, a carbon and energy source was added in this microcosm...
Resource Type:: Masters Thesis

Radon-222 as a tracer for performance assessment of NAPL remediation technologies in the saturated zone : an experimental investigation

Creator:: Gottipati, Sarayu
Abstract:: Persistence of Non aqueous phase liquids (NAPLs) in the subsurface at residual saturations eventually contributes to undesirable groundwater contamination. Proper characterization of subsurface NAPL, its location, composition and distribution, is essential for the chosen remediation technology to be effective. It is also desirable to assess the performance of remedial actions...
Resource Type:: Masters Thesis

Aerobic cometabolism of chlorinated aliphatic hydrocarbons by subsurface microbes grown on methane, propane and butane from the McCellan Air Force Base

Creator:: Tovanabootr, Adisorn
Resource Type:: Masters Thesis

Aerobic cometabolism of chloroform by butane and propane grown microorganisms from the Hanford subsurface

Creator:: Kim, Young
Abstract:: Batch microcosm studies were carried out to screen for microorganisms from the subsurface of Hanford DOE site that could cometabolically transform chloroform (CF) under aerobic conditions. The potential need for CF bioremediation at the Hanford site has resulted from the large release of carbon tetrachloride (CT) to the subsurface, of...
Resource Type:: Masters Thesis

Comparison of indigenous and bioaugmented butane and propane-utilizers for transforming 1,1,1-trichloroethane in Moffett Field microcosms

Creator:: Jitnuyanont, Pardi
Resource Type:: Masters Thesis

Bench-scale study for the bioremediation of chlorinated ethylenes at Point Mugu Naval Air Weapons Station, Point Mugu California, IRP Site 24

Creator:: Keeling, Matthew Thomas
Abstract:: Laboratory scale microcosm studies were conducted using site specific groundwater and aquifer solids to assess the feasibility of stimulating indigenous microorganisms in-situ to biologically transform Trichloroethylene (TCE) and its lesser chlorinated daughter products dichloroethylene (DCE) and vinyl chloride (VC). Three different treatments were conducted to determine the best approach for...
Resource Type:: Masters Thesis

Abiotic transformations of TKEBS and other lower homologues of tetraalkoxysilanes by subsurface solids from a contaminated site

Creator:: Chu, Min-Ying
Resource Type:: Masters Thesis

Aerobic cometabolism of chlorinated aliphatic hydrocarbons by a butane-grown mixed culture : transformation abilities, kinetics and inhibition

Creator:: Kim, Young
Resource Type:: Dissertation

Effect of electron donors on the reductive dechlorination of trichlorofluoroethylene in anaerobic microcosms and in situ push-pull tests

Creator:: Louie, Erika N.
Abstract:: This research focuses on the anaerobic transformation of trichloroethylene (TCE) that is occurring in the subsurface of the Evanite site in Corvallis, OR. Two anaerobic studies were conducted to investigate the effects of microbial communities in the presence of different electron donors during the anaerobic degradation of trichlorofluoroethylene (TCFE), and...
Resource Type:: Masters Thesis

Aerobic cometabolism of trichloroethylene and cis-dichloroethylene in propane-fed microcosms from the McClellan Air Force Base

Creator:: Timmins, Brian
Abstract:: This thesis focused on using microcosms to better understand the aerobic cometabolic processes of TCE and cis-DCE transformation that occurred during a Cometabolic Air Sparging (CAS) demonstration at McClellan Air Force Base. The microcosms were created with groundwater and aquifer materials from the demonstration site. Concentrations of compounds in the...
Resource Type:: Masters Thesis

ScholarsArchive@OSU

Radon-222 as an indicator for nonaqueous phase liquids in the saturated zone : developing a detection technology

Continuous-flow and batch column studies of anaerobic carbon tetrachloride biotransformation on Hanford soil

An anaerobic microcosm study of TCE transformation by microbes stimulated from the Gilbert-Mosley site, Wichita, Kansas

Radon-222 as a tracer for performance assessment of NAPL remediation technologies in the saturated zone : an experimental investigation

Aerobic cometabolism of chlorinated aliphatic hydrocarbons by subsurface microbes grown on methane, propane and butane from the McCellan Air Force Base

Aerobic cometabolism of chloroform by butane and propane grown microorganisms from the Hanford subsurface

Comparison of indigenous and bioaugmented butane and propane-utilizers for transforming 1,1,1-trichloroethane in Moffett Field microcosms

Bench-scale study for the bioremediation of chlorinated ethylenes at Point Mugu Naval Air Weapons Station, Point Mugu California, IRP Site 24

Abiotic transformations of TKEBS and other lower homologues of tetraalkoxysilanes by subsurface solids from a contaminated site

Aerobic cometabolism of chlorinated aliphatic hydrocarbons by a butane-grown mixed culture : transformation abilities, kinetics and inhibition

Effect of electron donors on the reductive dechlorination of trichlorofluoroethylene in anaerobic microcosms and in situ push-pull tests

Aerobic cometabolism of trichloroethylene and cis-dichloroethylene in propane-fed microcosms from the McClellan Air Force Base

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