groundwater circulation wells Equipment in Germany

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IEG Groundwater Circulation Well

by IEG Technologies UK Ltd

The IEG Groundwater Circulation Well (IEG GCW ) process is an in situ system for the remediation of contaminated aquifers, especially those contaminated with volatile and semi-volatile hydrocarbons, using a combination of chemical, physical and biological processes. An IEG GCW process unit consists of a specially-adapted groundwater well, at least ...

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Alcohol Flushing

by IEG Technologie GmbH

The remediation of a chlorinated hydrocarbons (CHC) contaminated aquifer always contains a risk, because of the possibility of uncontrolled downwards mobilization of the CHC into deeper parts of the aquifer. This scenario would be even more harmful to the environment. The application of well known remediation techniques for CHC as e. g. ...

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GCW-DNAPL

by IEG Technologie GmbH

With a GCW it is possible to remove non-miscible liquids of higher density than water (DNAPL) from an aquifer. In order to remove dense non aqueous phase liquids (DNAPL) that have accumulated on the bottom of the aquifer, the GCW is operated in standard mode. The DNAPL is removed by means of a sensor-controlled, pneumatically-driven ...

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GCW-LNAPL

by IEG Technologie GmbH

A GCW-system is capable of accumulating and extracting LNAPL during groundwater treatment. The amount groundwater passing through the GCW system can be adjusted according to the type of contamination and the well construction. Recovery of LNAPL floating on top of the groundwater can be achieved by using a GCW-Reverse flow system. Pure LNAPL ...

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Virtual-Permeable Reactive Barrier

by IEG Technologies UK Ltd

IEG's patented vertical Groundwater Circulation Well (IEG GCW ) technology significantly enhances the ability to effect the simultaneous containment and provide accelerated biodegradation of persistent organic compounds under aerobic, as well as the systematic removal of inorganic contaminants like ammonia, nitrate and heavy metals.