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◊ Air Sparging
◊ Bioreactor Landfills ◊ Bioremediation of Chlorinated Solvents ◊ Bioventing and Biosparging ◊ Electrokinetics: Electric Current Technologies ◊ Fracturing ◊ Ground-Water Circulating Wells ◊ In Situ Flushing ◊ In Situ Oxidation ◊ Multi-Phase Extraction ◊ Natural Attenuation ◊ Permeable Reactive Barriers ◊ Phytoremediation ◊ Remediation Optimization ◊ Soil Vapor Extraction ◊ Soil Washing ◊ Solvent Extraction ◊ Thermal Treatment: Ex Situ ◊ Thermal Treatment: In Situ
Application
A full-scale biosparging study was conducted to address BTEX contamination at a petroleum-hydrocarbon spill site. The operation of biosparging caused anaerobic conditions inside the plume to shift to aerobic conditions and there was evidence that several BTEX biodegraders might exist at this site. More than 70% of the BTEX has been removed through the biosparging system within a 10-month remedial period at an average ground-water temperature of 18 degrees C.
Biosparging of Contaminated Groundwater at the T-Dock Site, South Prudence Bay Island Park, RI. Cost and Performance Report
Bioventing Treatment at Refueling Loop E-7, Source Area ST20, Eielson Air Force Base, AK. Case Study Abstract
Bioventing and Natural Attenuation Technology Demonstration at Rhein-Main Air Base, Frankfurt, Germany
Cometabolic Bioventing at Building 719, Dover Air Force Base, Dover, DE. Cost and Performance Report
ELI/SBP's UVB (Vacuum Vaporization Well) System for Treatment of VOC-Contaminated Soils. Innovative Technology Evaluation Report This report summarizes the findings of an evaluation of the Unterdruck-Verdampfer-Brunnen (UVB) technology developed by IEG Technologies (IEG) and licensed in the eastern U.S. by Environmental Laboratories, Inc. (ELI) and SBP Technologies (SBP). The UVB technology was demonstrated over a period of 14 months from July 1994 through October 1995 at the Sweden-3 Chapman Landfill in Sweden, NY. A modified microbial system employing an in-well biofilter was demonstrated, along with the ENSR/Larsen Biovault technology and the R. E. Wright Environmental, Inc. In Situ Bioventing System, as part of a multivendor bioremediation demonstration.
In Situ Co-Oxidation of Chlorinated Solvents During Bioventing of Petroleum Hydrocarbons The project explored the extent to which vapors from fuels such as JP-4 will support the biological co-oxidation of TCE vapors. Though the full report on CD-ROM must be purchased from DTIC, some project information with diagrams and photos can be found online.
In-Situ Remediation of MTBE Contaminated Aquifers Using Propane Biosparging: Technology Demonstration Final Report, Revision 1
Low-Intensity Bioventing for Remediation of a JP-4 Fuel Spill at Site 280, Hill Air Force Base, Ogden, UT. Case Study Abstract
Natural Pressure Passive Bioventing ESTCP sponsored a project to evaluate the performance of passive bioventing at Castle Airport (formerly Castle AFB) in Merced, CA, to demonstrate that passive bioventing can be employed to remediate soil contamination without the use of electric blowers. Alternate title: Natural Pressure-Driven Passive Bioventing.
Careful characterization can indicate the suitability of a site for passive bioventing.
Soil Vapor Extraction and Bioventing for Remediation of a JP-4 Fuel Spill at Site 914, Hill Air Force Base, Ogden, UT. Case Study Abstract
Source Reduction Effectiveness at Fuel-Contaminated Sites. Technical Summary Report This report summarizes field performance studies of the following source reduction technologies: air sparging, bioventing, biosparging, soil vapor extraction, multi-phase extraction, and excavation.
Underground Storage Tanks (USTs) Bioventing Treatment at Lowry Air Force Base (AFB), Denver, CO. Case Study Abstract
This report focuses on the use of enhanced bioremediation technologies at 104 Superfund remedial action sites and other contaminated sites. It provides a snapshot of current applications of bioremediation and presents trends over time concerning selection and use of the technology, contaminants and site types treated by the technology, and cost and performance of the technology.
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