| 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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