bioremediation well Articles
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Enhanced Bio-Remediation of Wastewater
Bioremediation has been used to treat hydrocarbon contamination in municipal wastewater for centuries. Most microbes used in bioremediation today are naturally occurringyetspecifically chosen and cultured versus being genetically modified. Bioremediation rivals techniques such as pump and treat extraction systems, as it provide cost savings for municipalities, as well as environmental savings by ...
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Common Treatment Train for Fuels
A treatment train is the combination of different treatment technologies. A system diagram of a common treatment train for fuels is illustrated below. The fuel contaminated soil is first treated using a soil washing process. Water is injected at the up stream side of the contaminated site. Surfactant or other additives may be added to enhance the soil washing effect. Contaminated water is pulled ...
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Contamination at ANA Shipyard
ANA Shipyard is located on Elizabeth river and during additional construction work, it was discovered that the ground water was contaminated with free product due to soil contaminated with a mixture of oils and greases. Excavation of soil and replacement with clean dirt was not an option since it would contaminate the river. It was recommended by the Virginia DEQ that the cleanup should be done ...
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Gas station: Stuart, Florida
Aerobic bioremediation with air sparging Site Description Underground storage tank (UST) leaks from a gas station contaminated shallow ground- water under the property. Following the removal of the leaking USTs and impacted soils around the tank cavity, combined air sparging and aerobic bioremediation was implemented to remediate the groundwater. Site Characteristics Geology and Hydrogeology ...
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Dry cleaning plant: Boston, Massachusetts
Site Summary Dry cleaning solvents were found in the soil under a parking lot adjacent to a large dry cleaning plant located in a mixed commercial and residential suburb of Boston, Massachusetts. The contamination was traced back to a storm water catch basin in the parking lot which contained sediment and sludge with high concentrations of the dry cleaning solvent perchloroethene (PCE). The ...
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Orange County Fire and Rescue Station 81, Orlando, Florida - Case Study
Oculus Number 8520434 Petrox was used to treat the residual petroleum contamination in ground water after the leaking tank was removed. The petroleum contamination exceeded applicable standards for benzene, toluene, ethylbenzene, and xylene (BTEX) and naphthalene. Petrox was injected into the ground water through 28 injection points covering a plume area of approximately 6,300 square feet. ...
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Mohawk Laboratories has acquired Strathtox providing greatly improved `real-time` studies
Mohawk Laboratories, the research and development arm of NCH Corporation, has acquired Strathkelvin’s latest respirometer, StrathtoxTM, resulting in greatly improved ‘real-time’ bioremediation potential efficacy studies for its BioAmp system. This allows NCH to provide quick study results to its customers and potential customers in determining whether or not the bacteria ...
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In Situ Biological Treatment for Ground Water, Surface Water, and Leachate
The main advantage of in situ treatment is that it allows ground water to be treated without being brought to the surface, resulting in significant cost savings. In situ treatment, however, generally requires longer time periods, and there is less certainty about the uniformity of treatment because of the variability in aquifer characteristics and because the efficacy of the process is more ...
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Enhanced Bioremediation
Introduction Enhanced bioremediation is a process in which indigenous or inoculated micro-organisms (e.g., fungi, bacteria, and other microbes) degrade (metabolize) organic contaminants found in soil and/or ground water, converting them to innocuous end products. Nutrients, oxygen, or other amendments may be used to enhance bioremediation and contaminant desorption from subsurface materials. ...
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