Bioremediation comes of age

Article Abstract:

Bioremediation is induced by a natural cellular activity between carbon-bearing organic molecules and microflora after microbes have been artificially introduced into a waste site. A biofilm is created by the microorganism around the hydrocarbon molecule causing the molecule to break into carbon and oxygen in a process called phagocytosis. The hazardous wastes discharged into the soil are removed by bioremediation. This is a time and money saving process and so the most accepted, simple and effective cleanup method. The hydrocarbon contaminants that can be controlled by bioremediation include crude oil, paraffin, diesel and jet fuel, gasoline and other organic compounds.

Methods, Bioremediation

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Demolishing NAPLs

Article Abstract:

The dynamic underground stripping method combines various thermally enhanced extraction methods and removes non-aqueous-phase liquids from contaminated soil cost-effectively and efficiently. The method was tested successfully for the first time to clean a large-scale underground gasoline leak at Lawrence Livermore National Laboratory, California. The leak of fuel hydrocarbons, namely gasoline, from underground pipelines caused site-contamination problems and an artificially raised water table made traditional extraction methods inefficient since they would take 200 years.

Management, Environmental aspects, Pollution, Soil pollution, Water, Underground, Groundwater, Gasoline

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