Process for removing a contaminant from contaminated...

Details Process for removing a contaminant from contaminated... Process for removing a contaminant from contaminated...

B - Operations, Transporting

09

C

B09C 1/00 (2006.01) B09C 1/10 (2006.01)

Patent

CA 2549521

The invention relates to a process for removing a contaminant from groundwater wherein it is not necessary for groundwater to be extracted from the soil. To that end, the process according to the invention comprises the following steps: a) a biologically active layer (2) is applied on or in the soil b) the contaminated groundwater is contacted with the biologically active layer (2). The contaminant is converted in the biologically active layer. The biologically active layer (2) may be applied discontinuously. The contaminated groundwater may be contacted with the biologically active layer with the aid of for example a gas.

La présente invention concerne un processus d'extraction d'impuretés dans des eaux du sol, dans lequel il n'est pas nécessaire d'extraire les eaux du sol. A cet égard, le processus de cette invention comprend les étapes suivantes: (a) une couche biologiquement active (2) est appliquée sur le sol ou dans le sol et, (b) les eaux du sol contaminées sont mises en contact avec cette couche biologiquement active (2). Les impuretés sont transformées dans la couche biologiquement active. Cette couche biologiquement active (2) peut être appliquée de façon discontinue. Les eaux du sol contaminées peuvent être mises en contact avec la couche biologiquement active à l'aide, par exemple, d'un gaz.

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