Using on-site biological methods to clean up soil

Article Abstract:

The treatment of polluted soil is receiving widespread attention in France. At the site for the Stade de France football stadium constructed for the 1998 World Cup, it was necessary to use a range of pollution removal techniques, including decontaminating soil by activating naturally occurring microbes. Work at this site drew on research from the National Institute for Agronomic Research into degrading pollutants using filamentous fungi. Environmental company Geoclean has treated the soil at a former oil depot by using a washing technique.

Management

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Organic-rich trommel fines accelerate soil bioremediation

Article Abstract:

Waste Management operates four sorting centres in Chicago, IL, where yard trimmings and some inerts are screened out of municipal solid waste. A trommel screen is used to produce fines made up of leaves, grass, partially decomposed organics, pieces of glass, pebbles, dirt and other organics. The fines are incorporated into Waste Management's bioremediation process. They provide moisture and nutrients for contaminated soil, while their granular nature allows homogenous mixing of the amendments with the soil.

Yard waste, Waste management, Yard wastes, Chicago, Illinois

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Bioremediation of contaminated soils

Article Abstract:

The current removal method for persistent organic pollutants (POPs) is very expensive and it also leaves the soil sterile, as many of the chemical surfactants are toxic to bacteria. Transgenic plants engineered by researchers come with their own detergent that strips harmful chemicals from the soil and exposes them to biodegrading microbes around the plant roots.

United States, Control, Soil research

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