B - Operations – Transporting – 09 – C
Patent
B - Operations, Transporting
09
C
B09C 1/10 (2006.01) C12S 99/00 (2010.01)
Patent
CA 2233034
The present invention provides a method for remedying soil containing a region polluted with a pollutant which comprises a step of injecting into the soil a liquid containing a microorganism having an activity to decompose the pollutant or a liquid containing the microorganism and an activation agent for the microorganism decomposing the pollutant, wherein the step comprises isolating the region from surrounding soil with a barrier made of a material that does not allow the pollutant, the microorganism, the activation agent or water to pass through, and replacing void water in the isolated region with said liquid.
L'invention fournit une méthode pour décontaminer un sol dont une partie est polluée. La méthode comporte une étape d'injection dans le sol d'un liquide contenant un microorganisme qui décompose le polluant ou d'un liquide contenant le microorganisme et un agent d'activation de la décomposition du polluant par le microorganisme. Au cours de cette étape, on isole la zone polluée du sol environnant au moyen d'une barrière fabriquée d'un matériau qui fait obstacle au polluant, au microorganisme, à l'agent d'activation ou à l'eau et on remplace l'eau contenue dans les pores dans la zone isolée par le liquide en question.
Kawaguchi Masahiro
Sugawa Etsuko
Canon Kabushiki Kaisha
Ridout & Maybee Llp
LandOfFree
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