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Apparatus for two phase vacuum extraction of soil contaminants

Summary

A process for two phase vacuum extraction of contaminants from the ground involves vacuum withdrawal of liquid and gaseous phases as a common stream, separation of the liquid and gaseous phases, and subsequent treatment of the separated liquid and gases to produce clean effluents. Two phase vacuum extraction employs a single vacuum generating device to remove contaminants in both the liquid stream and soil gases through a single well casing.

Technology Benefits

Removes contaminants in both the liquid stream and soil gases through a single well casing.

Type of Cooperation

This patent is made available for free use by all, except when another provider attempts to enforce a patent in an EPC class against the provider or when a non-provider attempts to enforce any patent against the provider.

Coverage Areas

Water, Land

Goods and Services

Waste management > Pollution control

ID No.

US5197541

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