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Article | REF: C5582 V1

Techniques for rehabilitating polluted sites and soils - Summary sheets

Author: Pascal ROUDIER

Publication date: February 10, 2005

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24. Skimming

Other key words: skimming, double phase extraction

Skimming principle
Figure 24  -  Skimming principle

When pumping groundwater, in most cases the water table is depressed. When products in their pure phase float on the water, they accumulate gravitationally in the pumping center (e.g. hydrocarbons). The products themselves are pumped separately. Groundwater...

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