摘要 |
The invention relates to a process for removing pollutants from soil with the aid of a stripping gas which involves(a) injecting the stripping gas into the soil at the level of and/or under the pollutant,(b) volatilizing the pollutant with the stripping gas, so that it rises to the ground level above the pollutant,(c) collecting and further treatment of the volatilized pollutant, a pneumatic screen being provided in the soil along the circumference of the polluted area.
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